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Old 02-08-2011, 08:16 PM
dinty44 dinty44 is offline
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Location: Georgetown, TX
Join Date: Sep 2009
Posts: 32
Mein Auto: 2003 BMW 530i sport
Transmission / Driveline problem

I have recently replaced the auto transmission with a used one in my 1997 M3 (auto). I just finished putting everything back together and filled it up with fresh fluid and have run into another issue.

While the car is still sitting on jackstands, I can easily cycle through the various gears and everything sounds / seems fine. Wheels turn as they should AS LONG AS I HOLD THE BRAKE slightly. However if I release the brake completely Im getting a significant driveline shutter. If I feather the brake while in any gear including reverse , , , pressure, wheels turn as they should. Shutter begins as soon as I remove the brake completely. I cannot tell if this is coming from an unbalanced driveshaft (center support installed slightly off?) or does this sound like a problem with either the torque converter or transmission?

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