Quote:
Originally Posted by drewF87
Any significant differences between the 2 model years? I read some where BMW's M Division did a special tune for the 2011 model year only. Is this true? If so, is it a big deal?
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I think you may be referring to the PPK tune that gave another 20hp and 17tq. It’s better to just get the Dinan tune and end up with 355hp 400tq. I would say the PPK would barely be noticeable between a regular 135i.