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      05-22-2021, 01:45 PM   #16
highbrowed
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Drives: 135i 6MT w/ N54 Delete
Join Date: Jul 2014
Location: South Florida

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Quote:
Originally Posted by ferocity02 View Post
Would a 6L80E fit? The ZF six speed will be your weak point if you want to add more power. There's plenty of proven upgrade options for the GM transmissions, not so much for the ZF.
It'll fit but I want a 6-speed manual. The BMW ZF has the same torque rating as a T56, so it's apples to apples, and it's more cost effective to use the BMW transmission with an adapter. A good used T56 can be quite expensive.

I'll just roll with the ZF until it breaks.
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