Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Audi A4 (B9) (Facelift) (from 2019) 35 TDI (163 HP/ 120 kW) Torque Increase (NM):42Economy Gain (MPG):20Power Gain (PS):27RaceChip 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