Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Citroën C4 (I) (2004 - 2011) 2.0 HDi 140 (140 HP/ 103 kW) Torque Increase (NM):75Economy Gain (MPG):20Power Gain (PS):34RaceChip RS Tuning Box - Bluetooth Version with App ControlThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning,... MSRP: £258.00 Add to Cart The item has been added Compare