so BMW is now showing off the M Performance Parts that it's offering for the all-new high-performance execs. Available for installation at a dealer or as kits to fit yourself, this range of ...

But before going out for some hot laps, we took a few minutes to check out this 435i Coupe that's been fitted with a full suite of goodies from the BMW M Performance parts catalog. Starting with ...

Q. In BMW 310 GS, can I change rear stock tyres from 150/70-17 to 150/60-17 or 140/60- 17? basically keeping the same rim size - 17', but slight change in width and height, will it have any neg ...