Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - BMW 1 Series (F20-21) (2010 - 2019) M135i (326 HP/ 240 kW) Torque Increase (NM):94Economy Gain (MPG):20Power Gain (PS):67RaceChip RS Tuning Box - Bluetooth Version with App ControlThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning,... MSRP: £308.00 Add to Cart The item has been added Compare