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battery drain

  1. E63/E64 M6 Discussion
    Hi all, sometimes my 2009 E63 M6 does not engage reverse gear and wont show R on the dash if I select reverse straight after turning the car on: even with the gear stick in R, it just shows N. I can get it to engage reverse by going from N to D and then across to R, and then everything...
  2. E39 M5 and E52 Z8 Discussion
    Good people of M5 board, I'm the proud owner of an '01 beast (135k mi) that I keep in an attended/valet parking garage near my apartment (can't stand other people parking the car, but the joys of NYC living). I bought a new battery about 18 months ago, and a few weeks ago the jokers in the...
  3. E60 M5 and E61 M5 Touring Discussion
    I have an 2006 M5. I've had the restraint system light come on. When I took it to the dealer they thought that the fault might be in the Comfort Access module draining the battery by activating repeatedly when the car is off. I've also noticed that sometimes the car's clock resets after leaving...
  4. E39 M5 and E52 Z8 Discussion
    I have an issue with battery drain that is different from what most people described in previous posts. If I sit in the car with the key in the ignition, the battery dies in under 10 minutes and I need a boost to start the car. For example, I upgraded my navi to v22 (I have a 2001 face...
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