Borla 253061 XR-1 Tuner Fits 15-17 340i 440i 740iPerformance Module XR 1 Tuner XR 1 Tuner; Produces Up To 50 lb ft Of Torque And 40 hp More Than Stock; Incl. All Cables Easy To Follow Instructions; SPECIFICATIONS: WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: This product in the physical form it is sold does not present a hazard. However; operations including; but not limited to welding; brazing; or thermal cutting can expose you to chemicals including Chromium; Nickel;