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Old 04-27-2010, 01:29 PM
Registered User
Location: Houston
Join Date: Apr 2010
Posts: 3
Mein Auto: 545i
surges trans reprogram

Hello. I actually found this site while doing a search on 545i transmission update. I have had the same thing going on with my car like others have described a sense of surging and loss of power. Anway, long story short took the car in to get a leak looked at they replaced the parts under warranty and then I noticed the surging. I took the car back this Mon b/c of the surging and b/c it still had a small leak. I just got call that it has a cracked pan and it was leaking transmission fluid. The service rep said it may have contributed to the surging issue. But he also recommended to do a software transmission update that BMW specifically rolled out to cure the problem. Well I read another person on this thread saying that it was just a program issue so I told the rep to go ahead and do it. At 135.00 I figured it would give me a sense of ease knowing that I tried that too since it will be going off CPO warranty in August. I'll share some more once I get the car back.

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