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      04-25-2011, 01:11 PM   #43
taleof2bricks
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Drives: 2008 M3 Sedan
Join Date: Apr 2011
Location: Surf City, CA

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Quote:
Originally Posted by Gearhead999s View Post
Are you sure it is a bottom end failure?You made no mention of noises which are a very good indication of bottom end problems.Rough running could could be caused by valve spring issues which were not uncommon in one batch of 08 production engines.
In my case, just before the car died, I heard a nasty sound, similar to a piece of metal falling and hitting the street. I looked under the car, and all was visibly intact - I believe hinting to something internal breaking...

I will take top end problems any day, vs bottom end!
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