Originally Posted by tcd223
The steptronic unit in the 135i and the 128i are made by different manufacturers. The unit in the 128i is made by GM and the unit in the 135i is a ZF transmission if I'm not mistaken.
I think that's correct. I have the step in a 135i and the only reason I chose 2 pedal is because of a left knee injury which would make clutching literally a pain. I'm more than happy with the Step. which means that Mr OP should be grinning with the DCT, especially coming from a GTi.
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