COBB 6B1X31 BMW N54 Stage 1 Power Package w/V3 ymm_22 650˝ Screw-in Diameter-Pitch 7/16-14

650˝ Screw-in Diameter-Pitch 7/16-14

Cordoba 1980-1983

300 1966-1971

Not suitable for 4XE models

COBB 6B1X31 BMW N54 Stage 1 Power Package w/V3 ymm_22 650˝ Screw-in Diameter-Pitch 7/16-14The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your BMW. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow our staged upgrade path with pre loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. It's the last engine management solution you'll ever need. Combine that with a COBB High Flow Filter to