Twin Turbo V8 - 657.2 WHP - xDrive

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This one doesn't shout, but it doesn't need to. On paper it's a 2019 BMW M5 with a twin-turbo 4.4L V8, 460kW of factory output, M xDrive all-wheel drive and an eight-speed auto. In reality it's been taken well beyond that, and the work has gone into the parts that matter.

The build started with a Stage 1 tune, then moved to Stage 2 at 593.5WHP. It's now running a custom tune from Eurolab that put down 657.2WHP on the dyno. That's supported by Project Gamma primary and secondary downpipes, Turner Motorsport air intakes and a Valvetronic titanium exhaust. A Mishimoto oil cooler keeps the engine happy when it's being used properly.

The look is a full blackout. The rims went from silver to black and the brake calipers from blue to black, with a carbon fibre spoiler on the boot and yellow DRLs at the front for a bit of contrast. It's a subtle set of changes on an already imposing car.

Underneath the tune and the exhaust, it's still a big four-door saloon with five seats and all-wheel-drive traction. It's a proper daily that just happens to be able to embarrass most of what it meets on the road.

Highlights

2019 BMW M5, 4.4L twin-turbo V8, 4WD, 8-speed automatic
460kW factory rating; 657.2WHP on the current Eurolab custom tune (previously 593.5WHP at Stage 2)
Project Gamma primary and secondary downpipes
Valvetronic titanium exhaust
Turner Motorsport air intakes
Mishimoto engine oil cooler
Blacked-out rims and brake calipers (previously silver and blue)
Carbon fibre spoiler
Yellow DRLs