Quote:
Originally Posted by wmandra
The part number for the front brake kit is 34110444738. Had it installed at a local shop, not BMW. Technically, the car is supposed to be coded to be aware of the different brakes, but since the part is not an official accessory for the E89 I doubt its even possible to code it. Braking is definitely improved over stock.
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Here are dimension about front rotors (KIT and standard).
It seems like a downgrade...
Front rotors performance kit (34110444738) = 338x26mm
Front rotors standard E89 35i (34116782593) = 348x30mm