Steptronic Clunk - BMW Forum -
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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#1 (permalink) Old 12-15-2003, 12:40 AM
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About a month ago, I purchased a used 02 330ci with Steptronic. I'm experiencing a "clunk" when the Steptronic shifts into 1st. It only occurs on the downshift from 2nd to 1st (at approximately 10 mph) while braking to a stop. It is decidedly noticable when the car is cold; after the transmission warms up from 15 - 20 minutes of driving, it is less noticable.

Anyone else notice this? I've never had a BMW or Steptronic transmission, so I'm not sure if what I'm noticing is a problem or "just the way it is".

2002 Titanium Silver 330ci
Steptronic, Sport, Premium, Heated seats, Bi-xenon
Bone Stock
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#2 (permalink) Old 12-15-2003, 01:25 AM
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Ace330i is an unknown quantity at this point
I've got the same car - not the same problem though. Although the gearbox is very slow to respond to the steptronic changes.
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#3 (permalink) Old 12-15-2003, 06:39 AM
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couper is an unknown quantity at this point
I had a 2001 325i with the same problem. The transmission control module
had to be reprogrammed. I'm in CT and I'm pretty sure the module was
sent to NJ for the fix. I know I had a loaner car for several days. Hopefully
you are still under warranty.
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#4 (permalink) Old 12-15-2003, 12:18 PM
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I had the same problem with mine. here is the link to my original thread on this. maybe you will need your software reprogrammed. that fixed mine.

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