Bilstein SL Series-Shock Absorber (F4-B46-0210-H0) 1719 K12B (Dualjet Petrol engine does

K12B (Dualjet Petrol engine does not fit)

The OEM duct only draws air from behind the front grill and is very shallow over the slam panel

Achieve maximum power from theM240i without sacrificing drive ability or reliability by optimizing the engine's air/fuel ratios

the header and exhaust system become the keys to finding additional power

Bilstein SL Series-Shock Absorber (F4-B46-0210-H0) 1719 K12B (Dualjet Petrol engine doesBilstein SL Series shock absorbers feature a 46mm piston, steel construction, and a smooth body designed for motorsports applications. These shock absorbers are available in a variety of lengths, valve settings and can be converted to a coilover design (kit sold separately). SL Series shock absorbers are ideal for racers whose sanctioning rules do not allow or require rebuild capability. Notes: It's recommended to replace shock or strut in pairs