Worcester; Southbridge man illegally shipped M4, AR-15 and M16 parts to 22 countries, including Finnish motorcycle gang. Published: ; Aug. 25, 2016, 2:04 p.m.

Among the key M Performance Parts featured at the rear is a fixed rear wing, a new diffuser, and a unique quad tailpipe setup. While we think quite a few buyers of the new M3 and M4 will equip ...

This however is the M4 Competition, meaning that same engine is now producing 503 hp (510 ps) and 479 lb-ft (650 nm) of torque, which is then sent to the wheels via an eight-speed ZF 8HP automatic ...

They basically showed what parts you can buy to enhance the BMW M4 and the BMW M2 without the need to go to a third party or to check if anything you might want to buy is compatible with your car.