And no, it wasn’t a V8. If asked to name the most outstanding quality of BMW’s E39 M5, most fans would point to its legendary V8 engine, a high-revving beast of a power plant that cemented ...

German tuner Manhart has taken five classic BMW E31 8-Series coupes and given them a new lease on life with a comprehensive restoration and performance upgrades. The centerpiece of the upgrade is ...

The same engine was later used in the Z8 convertible. If BMW had opted for an inline-6 in the E39 M5, that could have remained the standard for performance mid-sized sedans.

Engine swaps aren't only for hot-rodding classic cars, as plenty of other makes and models can see new life from plopping a V8 in the engine bay.

Chevrolet's small-block V-8 is a popular choice for engine swaps, and these are the most common cars to benefit from it.

This E38 BMW 7-Series With E39 M5 Engine And 6sp Manual Transplant Sounds Delicious With the 4.9-liter V8 from the M5 and a 6-speed manual, what more could you want?

Moreover, the V8 engine helped catapult the E39 M5 into a higher echelon of performance,” said BMW. And to think, it very nearly had a turbocharged straight-six… ...