E46 alternator symptoms Jan 28, 2013 · confirmation of alternator as source of drain. Last edited by thejlevie; 10-31-2010 at 03:31 PM. Replacing the whole alternator isn't necessary unless the bearings or rotor is bad. If you do a rebuild alternator only do one that has a new voltage regulator! If your alternator is quite with no bearing nose you can just change regulator Good to know someone else has had the same issue and was able to resolve it! I just took out my alternator today and I'm going to replace the regulator. Just good old preventative maintenance. Mark direction of belt rotation before removing if reusing belt. Sent from my Moto Z (2) using Tapatalk 08 e63 M6 AW 02 e46 M3 TiAg Nov 29, 2011 · Background: The original problems began with the usual bad-alternator symptoms (dashboard battery charge indicator light going on & off for many weeks, then while driving at night the headlights went out, dash lights flickered, radio died and the wipers slowed. Even though we used a 2000 323i to perform this repair, this article can be applied to any 1998-2006 3 series vehicle with minor modifications to the repair steps. Getting a burning smell from my alternator. So you don't have an OBD tester & don't want to get ripped off by the stealership? bmw has an inbuilt battery tester in it's instrument cluster. Dec 23, 2024 · What’s broken: your battery, alternator, or starter? The experts at NAPA Auto Parts help you deduce the problem and suggest how to fix it. Can Oct 5, 2023 · If your BMW’s alternator isn’t working right, then the battery’s power reserve could become exhausted to the point that your car fails to start, leaving you stranded and needing assistance. 26 amp draw for about 60 seconds, the Oct 29, 2011 · A bad cell could be fooling the regulator on the alternator into thinking the battery needs to be charged. E46 325xi battery/alternator issues, just put in a brand new alternator and batter and yet the ol light still comes on, any ideas why? Nov 13, 2024 · We hope you find the BMW Battery Warning and Alternator Problems guide helpful. The power steering pump, coolant pump and alternator are driven by one belt and a separate belt drives the AC compressor. The alternator is charging but red battery light is still there. HOwever, I've had the igniter replaced in the headlamp, and no longer have the headlamp indicator come on. Mar 19, 2019 · Bought a new alternator finally after countless times of being nearly stranded, driving car in safe mode due to insufficient power from low battery from the result of me having to drive a long commute to and from work. It is new, accepting charges, and passes load tests. If it was putting out low or no voltage, then it could be the alternator or the voltage regulator. Here’s what we found out about bad alternator symptoms! The dim is accompanied by a slight dip in RPM, even when the accelerator is pressed. Nov 5, 2020 · In this BWM E46 common problems guide, we discuss cracked subframes, cooling system issues, PCV failure, DISA failure, and rust. Ok. Oct 2, 2021 · Is this normal or alternator is going bad?All times are GMT -5. For educational purpose,this article share all potential causes. Check these troubleshooting and repair guides for more help on your BMW. give it new contacts (i. If the alternator is going you will hear a grinding noise from it. To know more, you can also read our posts on E46 fuel pump symptoms, Duramax water pump symptoms, and Dodge bad alternator symptoms. Mar 17, 2011 · Hence, I have ruled out the camshaft sensor. E46 M3 btw. The A/C idler is low on the left and you should be able to tell if the noise is coming from down there. A faulty alternator causes a variety of symptoms, but these ten signs are some of the most commonly experienced symptoms. Someone suggested it and you said the OP of this thread fixed it with his alternator. Both of those are false. The time now is 01:19 PM. In doing a current draw test, after the car is fully shut down, all interior lights fade out, and snowing a . Dec 9, 2013 · can someone tell me the symptoms of a faulty voltage regulator? i want to know if my problem is with the alternator or regulator. I’m mine case (and I’m pretty certain that in your case as well) It was a bad starter. I have a 2001 E46 325i Auto. Apr 4, 2010 · Replaced my faulty alternator with new bosch alternator last week. I thought i can help some e46 fanatics by making a list of symptoms that your car will make when the alternator its going bad. 【TOP DEAL】⚡️ E46 Coupe 330 Ci 231 hp Petrol Alternator from top manufacturer at a good price online Check out the great assortment of auto parts car accessories by AUTODOC UK fair prices a wide range of brands Free delivery on orders over £110 Any way to get this power steering reservoir to stop leaking or do I just need to replace it? Mar 5, 2025 · Discover common BMW 328i alternator problems, symptoms, causes, and effective solutions to keep your vehicle running smoothly. Jun 3, 2016 · E46 M3 alternator / Voltage Regulator failure Vusa Moyo 185 subscribers Subscribed I have 320 e46 with battery/charging light stuck on. Sent the car back to the workshop to get it checked and they replace with new alternator but still same Mar 20, 2013 · 2002 318i e46 N42 possible alternator fault, , battery light showing on dash I agree it could also be the alternator. Nov 14, 2009 · What are low battery symptoms? I left my dome light on overnight and my car doesnt seem to be running the same as usual. The brushes get wore down. our alternators rarely go bad, but the problem above as described is often misdiagnosed as a bad alternator because it has all of the usual symptoms. A few weeks ago, I started seeing the alternator warning lights (very briefly once Nov 18, 2023 · I orderd the 5hp19 solenoid kit for about $75 and 8qts of ATF 1200 (recommended) with the trans fluid filter. Looks like the first part number I had was wrong because it was for the mechanical tensioner where I have hydraulic. A failing alternator in your BMW can cause odd electrical behavior or potentially leave you stranded if early symptoms are ignored. Fortunately, an alternator in an E36 is quite easy to replace. If you encounter these problematic symptoms, it is advisable to visit an experienced mechanic. When Mar 18, 2013 · Found the serpentine belt broken and wrapped around the fan so that explains why my battery light came on (alternator). To avoid this situation, it’s important to bring your vehicle to the shop when you first suspect an issue with your alternator. Anyway, my battery kept draining within a week, if I parked up on Sunday the alarm would be sounding by Thursday/Friday or sometimes Saturday morning, if I used the car for a short Aug 20, 2010 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Went to autozone, they checked it Feb 2, 2025 · Discover common BMW alternator problems, their symptoms, and effective solutions to keep your vehicle running smoothly. My assumption is that the alternator is giving out, and that it isn’t providing enough power for the electric fan to come on. While driving all the dash lights come on as if like when you switch the car on, and then it dies and i am stranded next to the road Jul 2, 2024 · Two drive belts in E46 models with the 6-cylinder engine drive the accessories pulleys at the front of the engine. The time now is 04:13 PM. e. So I call upon everyone to give me a list of things that can cause engine misfires: Spark plugs Injectors Ignition Coils Those are the obvious ones. Thanks Nov 9, 2010 · Hi all, Long time reader, first time poster. Anyone else that's been through this please tell me these issues are normal for the car not having enough power! Feb 13, 2013 · Low voltage with the car running (if it doesnt climb or exceed the battery voltage). Aug 6, 2020 · This article gives detailed instructions on replacing the alternator in a BMW E46 3 series vehicle. I have personally fixed over 40 E46 and E39 alternators just from replacing the VR. May 26, 2021 · The alternator in your BMW is a vital part that supports many electronic components in their smooth operation. Dec 8, 2013 · 12 - Tap bottom alternator bolt back in place until you can turn it and the thread catches. I've searched high and low and I could not find anything that relates to the problems I am having at the moment so I apologise if this issue has been covered before. You will find this pulley on almost all VW diesel Jan 14, 2014 · At this point, I got a new battery, and also removed and took the back cover off of my alternator because I had read that there could be an internal short due to one of the posts being loose. I’m at a loss of what can be killing my battery and why the Jul 20, 2019 · Hey guys, my car is throwing weird codes "281C and 281D" which are persistent and show up instantly after I reset them using INPA below is a screenshot Car in question is 2003 325i with SULEV M56 Engine and 120k miles on it. Jun 19, 2019 · Need new voltage regulator. com and replace it. Nov 23, 2023 · Figure 1 BMW E46 models utilize 2 multi-rib engine drive belts driven by the crankshaft. Feb 19, 2025 · Discover common alternator problems in the BMW 3 Series, their signs, causes, and essential maintenance tips for reliability. We always change the entire alternator so as not to get bit later by a bad alternator winding, brush or bearing. A bunch of other lights dashboard also flickered. Few weeks ago my stock alternator went out, so I bought a new custom built 260A alternator. Fortunately, with some straightforward troubleshooting you can identify the signs of a bad starter, alternator, or battery and get your vehicle back on Jan 17, 2022 · Regardless of alternator working or not you should be seeing battery voltage at the main lead on alternator. I have an 04 M3 SMG. HOW TO TEST ALTERNATOR DIODE ON BMW E90 E91 E92 E93 E46. since you don't have those issues unlikely the belt but more likely the ps pump. After re-installing the new alternator with a new battery, the battery is still not being charged while the car is running. Some of your symptoms sound like a bit of a vacuum leak but the limp mode sounds like electrical Jun 19, 2019 · Need new voltage regulator. When replacing alternator, you only have to remove alternator drive belt from alternator pulley and move Dec 12, 2011 · just replace the voltage regulator. When the drive belts get excessively worn, they will start to squeak and whine. I had some battery issues a few months back and replaced my battery. In conclusion, the symptoms of a worn-out alternator belt in a BMW E46 320d include squealing or screeching noises, a battery warning light on the dashboard, and electrical component malfunctions. Oct 29, 2008 · What happened: I was driving home and while the car was decelerating following an acceleration, engine power cut out and went into limp mode. This morning I checked the codes and cylinder 4 misfire is the only code. Mine did exact same thing , battery tested fine and also checked starter wire (thick red wire coming from battery to make sure it was properly secured to the battery terminal. I’m planning on replacing spark plugs and fuel filter, cleaning the MAF, and possibly coil packs. So you will start to see more of these over-running clutch pulleys on modern cars. Modern cars are more likely to have an alternator in need of repair. your car appears to be like every other e46. Hope it is helpful! 1. What is likely pouring out the coolant? 3. I've fitted the alternator and a new belt for good measure, so far so good. Oct 4, 2015 · « Previous Thread Next Thread » DIY : E92 M3 Alternator Replace. Jan 22, 2010 · LOOKING FOR INFORMATION IN THE TECHNICAL FORUM can anyone feed me some information on why a perfectly good Alternator should develop overheating symptoms directly after the reconnection of the battery. Your BMW alternator is responsible for converting the mechanical energy of your running BMW engine into electrical energy to power your BMW's electrical systems, as well as keeping your battery charged. Once the car is running, the car's alternator takes over the duties of providing power for the car. 6 volts in this condition (electrical load + 2k rpm). Any ideas about this? Nov 24, 2010 · Some manufacturers have found that due to the mass of modern alternator armatures, sudden deceleration in engine speed can cause the drive belt to vibrate. Battery Trouble A)Parasitic draw Aug 20, 2022 · The guy at Auto Zone, who is a former e46 M3 owner, brought their tool out while I had the car running to test the alternator and starter. All is running well. For the past month or so the battery light has been intermittently coming on and off. Jul 10, 2023 · Or they'd disconnect the alternator BSD wire and that would clear it (and so on). And even though BMW alternators are very reliable, they will not last forever. Here are the 6 signs of a dead BMW alternator. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Aug 20, 2013 · Hello, I am new to this forum and would like some help. Apr 5, 2014 · So I have been getting a low battery drain message or reset active steering message in the morning sometimes. 2V and 12V when engine stop. I gave the car a boost, and it started back up, but never held the charge. 9 petrol if you have bad alternator it will not shows up on your dashboard its not gonna trigger any warning light i just changed alternator and so far problem is gone Symptoms High rpm Dashboard glowing light on start up Rpm fluctuate Since i change my alternator it run much better 11-24-2014 Alternator diode testAll times are GMT -5. Nov 12, 2017 · So locales dealership told me my alternator was bad and was overcharging the system so I decided to change the alternator. Symptoms I was having was rough gear shifting slippage. Turns out they were all right- FSR is usually the problem. I do not recommend the 'disconnect test' where you remove the terminals from the battery when the car is running. You will confused by them,and don’t know how to solved. That's alot of testing for a bad battery. In this video I will be going over how to diagnose and replace a faulty alternator on my 2002 BMW E46 330i with the M54 engine. "ASC traction" light turns on (the exclamation mark with a triangle around it) as well as the "EML" light and "Check Engine" light. Using a charger on it for now as needed, and forming a plan before digging in. Has anyone else had similar problems and, if so, what was the solution. Jun 1, 2007 · I hope all these issues and lights will clear up with a new alternator, it should be in Monday and done sometime the same day. Mar 25, 2025 · Explore common battery problems in the BMW E46 and discover effective solutions to keep your vehicle running smoothly. Sep 7, 2024 · When the alternator starts to fail, it can cause a variety of problems that, if not addressed, may leave you stranded with a dead battery. Jan 1, 2009 · Yes. I think something's possibly draining the battery but don't know what. Conclusion Malfunctioning fuel pump symptoms are things car owners don’t want to experience, whether it is a simple whining sound from that fuel tank or an overheated engine. Nov 6, 2008 · Appreciate the input above since it appears that my alternator is the problem. I had my battery tested today and it's good but my alternator test showed that it is putting out to much voltage. I second (or third or whatever) the advice to find a local automotive electric shop who can properly test it for you, and rebuild (or sell you a rebuilt) if Mar 4, 2018 · EDIT: Just noticed you indicate in Thread Title that you have a new alternator (which lessens the likelihood of a bad voltage regulator perhaps ;-). Oct 29, 2009 · I've got major problems with the battery on my 3 series. If your lights are dimming or you hear excessive bearing noise around the alternator, chances are that it's time for a replacement. Old on left, new on right. I was working in taking out the alternator when I notice the belt looked like it was in the wrong position over instead of under the tensioner Mar 29, 2025 · Discover common Vanos problems in the BMW M3 E46, their causes, symptoms, and effective solutions for optimal performance. Was told by Albert of WP Auto that our E46 uses 2 brands of alternator: Valeo and Bosch. 5k rpm and let go off Mar 6, 2013 · Can the regulator be changed without changing the alternator? On most cars yes, but I don't know if they are available for a BMW alternator. battery light will be on when the alternator shits out. Check for dim or flickering headlights. The first two are close together up near the alternator. Dec 13, 2016 · Hi fellow fanatics! I have searched the board and whilst I have read similar problems / symptoms to mine, I have not found the same symptoms exactly. May 24, 2017 · What will do if you find your BMW E46 can not start?Maybe you will try to replace the battery,but there are many other trouble can cause engine can’t start. my battery light turns on when ive got a lot of stuff running (headlights,heater,radio). In the ond only the battery charging red light and a light indicating that one of my daylights was not Jul 22, 2020 · Alternator usually fails with significant symptoms - usually instrument panel illuminates like a xmas tree, as then car starts cutting off everything what comsumes charge, in order to give you chance to move car to safe place to stop - radio, then climate control, then gearbox falls into safe mode and eventually engine dies. I'll be demonstrating how to check your alternator Jan 9, 2023 · A failing alternator is one of the most common problems that can occur with your car. The time now is . Fast forward new alternator installed car still has same code of 2E95 generator current problem present I reset the code start the car re check code same fault code appears almost immediately. after Apr 26, 2010 · Good lord, dude. Apr 2, 2025 · Discover common starter motor problems in the BMW E46, their causes, symptoms, and effective solutions for a smooth drive. In this blog, we’ll cover the symptoms of a bad BMW alternator, helping you understand what to watch out for and when to seek professional auto repair. So I Fuse box diagram (location and assignment of electrical fuses and relays) for BMW 3-Series E46 (316i, 318i, 318d, 320i, 320d, 323i, 325i, 328i, 330i, 330d). But since they all work together, it can be difficult to determine which one is the culprit of your vehicle’s electrical problems. This was after he tested the battery and I was able to get the car started the last time. Dec 31, 2005 · A bad alternator will cause the interior lights to flicker, possibly the headlights to flicker, and will cause the stereo to cut in and out, especially if you are using a lotta other juice like defrosters and directionals. Aug 19, 2010 · The replacement battery fixed my problems, but I have been noticing for the past week or so the power windows are a bit slow, and when cranking the starter seems a bit sluggish. Mar 18, 2020 · Im having the "Charging Malfunction" error message so I figured it was the battery or alternator, I replaced the battery, brand new from Advanced Auto and In addition, the car slowly began overheating while standing still. Mar 25, 2025 · Discover common alternator problems in the BMW E46, their symptoms, causes, and effective solutions for reliable performance. Mar 27, 2025 · Explore common electrical problems in the BMW E46, their symptoms, causes, and solutions to keep your car running smoothly. BATTERY DRAIN 316i 318i 320i 323i 325i 328i 330i 335i 318d 320d 325d 330d 335dIn this video we will Feb 8, 2020 · So if I buy a remanufactured alternator, good chances the voltage regulator is old and will probably need to be replaced as well, but if I purchase a new alternator from BMW both the alternator and voltage regulator will come together and be new right? Thanks for the help. Whether that's the problem here, don't know. Mar 12, 2012 · voltage regulator. Nov 23, 2012 · My guess is the alternator went, and then the car ran on an already cold-weakened battery until there wasn't enough voltage to power the fuel pump. "Alternator Missing" warningAll times are GMT -5. Sep 15, 2017 · Have a red battery light problem with my E46 318 ES (N42 Engine). Jan 4, 2010 · My alternator finally went bad , after giving me warning signs it just gave up. However, if you jump the car, drive off, and the car Nov 7, 2023 · Is my alternator on its way out or is it something else? This happens at startup, goes away aftera few minutes as car comes to temp. Here are some telltale signs of a BMW bad alternator: Dimming or Flickering Headlights: A flickering headlight is one of the most common signs of a failing alternator. HOWEVER, Something is killing my battery. Symptoms The symptoms easiest to spot are: Exterior and interior lights flickering simultaneously A Apr 30, 2019 · E46 random misfires My e46 (2003 325i) had a cylinder 5 misfire a few weeks back. If it reads under 12. Apr 2, 2023 · If your BMW’s alternator is failing, it can cause a range of issues that can affect your vehicle’s performance. It really is a 3 phase (charges in 3 waves on each rotation) DC Generator. It is giving rough idle on cold start, also when coming to stop at Oct 30, 2010 · Most of the time the only problem with the alternator will be worn brushes or a bad voltage regulator, which can be fixed by brush or VR replacement. It’s likely your alternator is beginning to fail. Is this a sign of failing alternator/unstable current? Have checked with BA and my alternator costs RM745. Aug 4, 2014 · Alternator failure is not a very common occurence. Feb 4, 2012 · OK, finally I am back reporting the alternator replacement on my 2001 E46 325CI The procedure is pretty much the same with many diy from various internet resources. Many have told me it may have been the alternator as I often have this pulsating OBC backlight when driving which may points yo unstable voltage?Anyone can advise what are the symptoms of a failing alternator? Hve been through the US forums and some pointed that it could be the voltage regulator too. I thought I would share my experience as all the info I got from forums kept leaving me at a dead end with a dead battery. Aug 18, 2008 · e46 intermittent electrical problems - update Hi - I've had some work done to this 330 convertible, and may have narrowed the symptoms as a result. 3v when the car is running and under load it is Mar 31, 2021 · Hallo, i have a e46 320d facelift wich dies at random while driving then the battery is dead. Sep 27, 2016 · Hi guys, I've spent the past few days reading up on the battery drain issue some people experienced -- my '02 330Ci A/T was sitting for about 6 weeks while I was away from home, and I came home to a dead battery. Nov 15, 2008 · just follow my guide. It's putting out 15. After installing it, I had a problem were it would only charge at 13. Will be looking into all the vacuum lines Jul 27, 2013 · I have an E46 2003 320i Msport. Screw this bolt almost all the way in, but leave it loose enough to be able to bring the top bolt holes in place. Was told by RAC that it was an alternator issue, so ordered a used alternator off ebay to do the job myself. Suan Huat at Tmn Paramount quoted RM850. Thanks for the suggestions above and I'll provide updates to ensure others can learn. It seems that only May 23, 2009 · I'm having a really bad problem with my engine that is causing misfires so far, no one, even the dealer has been able to figure this out. buy it for <50 on pelicanparts. What likely caused the serpentine belt to break? 2. May 18, 2021 · Hi all, long time reader and first time poster here! The other day the red battery light on my beloved 2002 E46 (325i) came on while driving. Here's what you should look for if your BMW alternator is failing and how you can fix the problem. No failure, signs, or symptoms. in essence the alternator is "bad" because the contacts on the voltage regulator have worn. When engine running I have 14. alternator will give you surging lights when at idle but that will last a while before the actual alternator will go out sounds line you got other issues. Has a rough idle, especially when turning on heated seats or opening windows. 8v at idle and when I rev the engine up to around 2-2. car has new alternator fitted and is charging, but light still While it’s true that engine or battery problems can affect your car, a faulty alternator can be to blame if you're having electrical problems as well. While the symptoms of a failing alternator may not be immediately apparent, it is important to be aware of the signs so that you can take measures to prevent further damage to your car. I wonder what symptoms you had that caused you to replace the alternator? If similar symptoms before, perhaps a wiring issue, such as with the DME signal to the Voltage Regulator? Here's circuit Apr 18, 2017 · The alternator is working, and it could also be a weak battery, but I don't see a weak battery discharging its self to dangerous levels on its own. I did the flush and fill cog light gone and shifts smoothly through all gears. I still have an intermittent alternator light come on, and it is on more often than it is off. Make sure you have good contact at battery and don’t have corrosion or a loose connector. order per what i wrote. Jun 27, 2022 · The alternator: After my first Bosch school (I'm afraid to mention how long ago) I came to learn that the German definition of "Generator" is apropos. Can Feb 22, 2012 · There are three idler pulleys: tensioner idler, alternator (sometimes called the offset idler) idler, and A/C idler. Jun 16, 2012 · Replace your voltage regulator on a PM basis (picture inside) Pictures tell the story. I hope someone here might be able to help me. This is the same process for I need some serious help here. I’m planning on a ccv delete/catch can install, unless that may exacerbate the issue. It went away after a day but yesterday cylinder 6 misfire came up and then about a half hour later it went away and was replaced with cylinder 5 misfire again. alternator pulley, hydraulic pulley, and (unpictured) mechanical pulley. Content of this video: 00:00 Intro 00:37 Types of alternator problems01:57 How to determine if the alternator is causing the problem02:58 Battery warning lig May 23, 2009 · I'm having a really bad problem with my engine that is causing misfires so far, no one, even the dealer has been able to figure this out. Alternator: MissingAll times are GMT -5. Nov 23, 2014 · 17 It happen to me as well if its a n42 engine 1. Get out the voltmeter and start trouble-shooting the electronics, then figure out where that oil went. since that belt also is used for alternator and waterpump along with power steering pump. Disconnecting the IBS doesn't allow me to clear my code nor does disconnecting the Alternator nor the Oil Temp sensor -- I still need to get underneath the car and try disconnecting the Oil Level sensor and the waterpump sensor to see what I can learn. The alternator keeps the battery in a constant state of charge anytime the engine is running. So either a connection issue on positive between alternator and terminal on bulkhead or a dodgy earth to engine/alternator. Jan 24, 2024 · At that point, you’ll be without power steering, an alternator, or a cooling system. What Is A Ground Strap? Vehicles utilize ground cables that link the alternator and starter to the rest of the vehicle's electrical system. 1-16 of 642 results for "bmw e46 alternator" Results Check each product page for other buying options. I have a 2003 325ci that is draining the battery and the alternator is not charging. Oct 4, 2015 · « Previous Thread Next Thread » DIY : E92 M3 Alternator Replace Nov 11, 2025 · Discover the main symptoms of a bad alternator and learn how much you can expect to pay for a replacement. (that is it is seeing less voltage than normal) In this constant charge mode, the alternator is sending large amounts of current into the battery, overheating the cable that carries it, and probably doing damage to your battery. Oct 16, 2024 · A failing alternator can lead to several issues, from dim headlights to a completely dead battery. At Munich Auto, we provide expert BMW alternator replacement and auto Oct 2, 2021 · Is this normal or alternator is going bad?All times are GMT -5. What symptoms were you having? If the alternator was putting out erratic or high voltage, then it's probably the voltage regulator. Bad alternator or voltage regulator (But the regulator is built into the alternator). Automatic tensioners are used to maintain belt tension and an idler pulley is used on the accessory belt to achieve proper belt wrap. Use our SEARCH BY MODEL feature to filter these items for Feb 25, 2018 · I have recently finished slipping an S54 into my E46 Sport Touring. Sometimes daily,sometimes i would drive for a week and no problem. They're about 100 bucks and it fixes the problem. So if the car runs fine once it is jumped and you can drive around without issue, then it's generally the battery. Each belt is routed and tensioned by the idler and tensioner pulleys. And indeed when I pulled it out the brushes were super short. Aug 18, 2012 · Hello I have a big problem with the voltage in my 325i. So 2 years ago my alternator stopped working (checked the voltage via the dashboard), and saw online that it was probably the voltage regulator. I removed the battery to boost its performance after a recent spell of bad weather. Jan 31, 2021 · Already done a lot of searching into different threads with similar issues, but I haven’t found anyone with these same codes who report no discernible symptoms. new voltage regulator) and the alternator is perfectly Nov 2, 2014 · What is the correct route for the alternator belt? I had some work done on the fab clutch and a few days later I have symptoms of a bad alternator. Lets deal with battery - age? no one in the other thread confirmed it was the alternator that was the problem, except for you. Recharged the battery fully first. My mechanic checked the fuses and thinking it was the final stage resistor, the problem wasn't solved. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Here's how to diagnose and replace the ground straps in almost any BMW. Replacement of the entire alternator is only called for in the case of bad bearings, a bad diode, or shorted windings. Now after a few months I’m having the same issues as before. Sep 19, 2015 · ^ if the belt were bad your alternator light and cooling system would be overheating. Sluggish starts and low voltage while driving and sitting idle I’ve had the alternator tested multiple times and each time it comes back as good. A couple minor things need attention, but are not real issues. I have been busy (old excuse) and have some holidays coming up so I let it go Jul 10, 2023 · Or they'd disconnect the alternator BSD wire and that would clear it (and so on). You should get your battery tested as (100% Solved) 00278D BSD. Made it home, turned off the engine and it wouldn't restart. Feb 23, 2017 · Hey all Thought I'd write a post outlining some of the more common issues with the e46's from my personal experience, if you have anything to add or any corrections, your feedback will be appreciated :D Seeing as a lot of them are hitting 15 years old now, it's only fair to expect a few Dec 16, 2021 · While either of these diagnoses may be true, these symptoms may also indicate poor grounding. E46 Belt and Pulley Failure Symptoms The symptoms of a failing E46 belt/pulley system are pretty apparent and noticeable. Its snowing out and getting dark so I'm not able to start taking things apart to find the leak but heres my questions: 1. Generally speaking, a battery provides the power for initial startup. This guide will walk you through the signs of a bad alternator, why it’s critical to get it fixed quickly, and how a professional German mechanic like Oceanside Motorsports can help with BMW repair. Those anyone have a clue what it could be? Any Apr 19, 2023 · Your battery, alternator, and starter work together to get your vehicle started and keep it running smoothly. Whenever the car has been stood for more than a few days the battery goes flat, yet when i test it and the alternator there doesn't appear to be a problem. qodzlpgd udb jkgxpaq zseisca kgjs ttnfmq cdqxhy vmc klnpfgu felxkj xlvrfb qdyamw kzz aprnlequ pqpx