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  1. Question on Oil line o-ring replacement

    E39 5 series Forum
    I have an '01 M5 and have my alternator off the car. I see that gives me access to the two oil lines that go from the oil filter to the engine mounts. See this diagram: - Online BMW Parts Catalog I was wondering if anyone has had leakage of the two o-rings (#10 in the diagram) or if...
  2. HELP! Battery Not Charging! (alternator and battery replaced!)

    E39 M5 and E52 Z8 Discussion
    Help! I had Charing issues some months ago and took to shop. Battery wasn't getting a charge and volts would fall below 11v while driving....Replaced Bosch Alternator and Battery. Everything fine for 4 months. Red Battery Lite came on and Battery Test 09 saying 11.5v and drops down to 10v...
  3. Is this youtube video for replacing an alternator accurate for a 2003 M5?

    E39 M5 and E52 Z8 Discussion
    Hey guys, My alternator died and the dealership wants to charge me $1500 bucks and have me wait 3 weeks for backorder. So now I'm looking into doing it myself. I found remanufactured ones on eBay for about $350, and I also saw this post in the big DIY thread...
  4. Alpina E60 B5S - sporadic alternator charge problems | BMW Alpina Discussion
    Dear members, Car is a Alpina B5S (E60 2008/10) with 103.000 km on it. Car came in with the following symptons: - when driving suddenly a few errors come up on the dash - the gearbox lever can not be changed, gearbox remains in 4th gear and no reverse selecting is possible - radio/nax...
  5. Battery Light / Alternator woes

    E39 M5 and E52 Z8 Discussion
    Hi All Please, pull up a comfy chair and see if you have any knowledge you can share relating to this problem I currently have with my car. A few months back, I had my car in at CPC for an unrelated issue, and when I picked it up, Phil mentioned that the alternator bearings were getting noisy...
  6. Tracing Alternator Squeaking

    E39 M5 and E52 Z8 Discussion
    I have this annoying squeaking coming from the alternator. The sound is always persistent, cold or hot and is at the pace of the engine revs. Strangely, when I brought it to a mechanic, they put a dollop of rubber grease on the belt and it killed the sound .... for about half an hour. Now its...
  7. Help!! - Alternator failure?

    E60 M5 and E61 M5 Touring Discussion
    hey guys, picked up my 06 M5 from the dealer after taking it there due to several warning lights coming on and off during driving, the speedometer would shut off while driving..wipers would stop and start back, ABS lights, Transmission cog would appear, tire monitor, and i even lost power...
  8. Normal operating voltage? Bad alternator?

    E39 M5 and E52 Z8 Discussion
    Hello, folks. I've had the red battery light come on several times while driving. The battery is only a few months old. I check the voltage today while driving (not battery warning light) and it was moving between 12.0 and 12.8V with no accessories on. Bad alternator? :dunno: Thanks. Pete 00 M5
  9. Smelly Alternator?

    E39 M5 and E52 Z8 Discussion
    Battery light on, engine bay smells from the alternator like burning rubber, volts are at 11.4-11.6 and don't really raise with rpms, reving the car didn't change the rpms from 11.4, only when driving they change very mildly. I replaced my battery 2/3 months ago and just had inspection 2 done...