Quote:
Originally Posted by SlicktopTTZ
Please find out the hardware changes to the engine. (if any)
Turbos, intake/exhaust manifolds, head/valve-train, intercooler, etc.
Also, how much negative camber in the front stock, and will there be room for adjustment.
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I would like to know the differences between the 1M and the 135i. I would also like to know how BMW achieved the extra 25kw. Was it the result of an ecu tune or was it a combination of a tune and upgraded exhaust etc?