The jewel in its crown, however, was the engine: BMW’s S62 engine, the high-performance version of the M62. The S62 had previously been used in the E39 (third-generation) M5, as well as the Z8 ...

Yet it was the E39 M5 that left the biggest imprint on me ... What might surprise you is that the older car is the heavier one. Sure, BMW blessed the V8 M5 with exotic aluminum for its suspension ...