BMW’s ‘junior’ sporting models have become increasingly bespoke over recent years, and the braking system on the M340i is a good ... the loud drone from the exhaust isn’t anything like ...

A valved exhaust system with larger exits, the 186mph top speed increase, aluminium intake pipes, lightweight 20-inch forged wheels and much more are available across all three variants.

Under the hood, the BMW M340i xDrive is powered by a 2,998 cc inline-six engine producing 374 hp and 500 Nm of torque, with an M Sport exhaust that ... all-wheel drive system, xDrive, continuously ...