The BMW Z4 sDrive20i, the new entry point into BM roadster ... In this 181bhp sDrive20i tune it replaces the 201bhp, naturally aspirated 2.5-litre 23i while a 245bhp sDrive28i version replaces ...

BMW completely transformed the Z4 with the Handschalter Package. It almost feels like a mid-cycle refresh. This package doesn ...

the tuner is no stranger to BMWs; one of its latest projects was the M2 Competition, with aims to bring the standard car up to the level of the £75,000 M2 CS. Named the ‘Z4 R’, this model ...

One small change has had a big impact. Beyond the improvements to the transmission, BMW's engineers also set about changing ...