Quote:
Originally Posted by KoenG
Although yaw inertia is important, there is more than the horizontal spread around the center of gravity to determine the final vehicle dynamic behaviour.
BMW told that the M135i has specific parts and that you cannot transform any other 1 into an M135i, as I'am not mistaken, they referred to the suspension with specific bushings and stuff.
I'am also baffled that the M135i gets so raving first reviews while a UK magazine recently wrote about the 125d with M kit that it was not an amuzing car on twisty roads and its' strenghts are in a straight line!
Why should the difference between the M135i and the others be so big?
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Exactly, I'm not entirely convinced that the M135i has that many alterations to the chassis over a specced up 125d. Sure, it's got M adaptive suspension and variable sports steering and M performance brakes, but you can get all that on the lower F20s. I hardly think a couple of geometry tweaks would transform the F20 beyond all recognition.