Thread: "The Lurch" does any of the tranny updates fix it?
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Old 08-27-2010, 04:10 PM
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Quote:
Originally Posted by rayxi View Post
Did a bit of digging and found this explanation of the issue. The poster owns a 535d which has the same GA6HP26Z ZF tranny as the E53 4.4 X5.

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What a load of crap from the ZF engineer.

The Allison transmission on my old Chevy diesel dually and diesel pusher motorhome never had this problem. Clearly a design/software flaw and they went to the "they all do this" response as their answer. Horrible response. I had the software update and after that I had the biggest slam ever in a parking garage. It was so bad my passengers thought we'd been rear ended by a truck or something. It was awful.
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