Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Performance N55 camshaft set designed exclusively for 5150 AutoSport and manufactured by Cat Cams!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock at Vendor
$327.99
This product was last offered at the strikethrough price on 07-07-2026
Unleash the true fueling potential of your N55 with the Dorch Engineering HPFP Lift Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2013+ models with OE Bosch HPFP
Unlock the true fueling potential of your N55 engine with the Dorch Engineering DS25 High-Pressure Fuel Pump (HPFP) Upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles Produced After 12/2013
Unlock the true power potential of your early-production N55 engine.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles Produced Before 12/2013
Unlock the true fueling potential of your PWG N55 engine with the Dorch Engineering HPFP Lift Kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2013+ models with OE Bosch HPFP
Unlock the ultimate fueling potential of your electronic wastegate (EWG) N55 engine with the Dorch Engineering N55 Lift Kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2013+ models with OE Bosch HPFP
Unlock the true power potential of your N55-powered BMW with the Dorch Engineering DS15 High-Pressure Fuel Pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2013+ models with OE Bosch HPFP
Unlock the ultimate performance potential of your EWG N55 engine with the Dorch Engineering Lift Kit HPFP Upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2013+ models with OE Bosch HPFP
Unlock the true fueling potential of your N55 engine with the Dorch Engineering DS25 High-Pressure Fuel Pump (HPFP) Upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replaces you factory intercooler for lower temps and improved airflow. Includes upgraded charge pipes and turbo to intercooler piping.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Restore the structural integrity of your BMW's cooling system with this comprehensive Radiator Lower Support and Mounting Kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Is your engine cranking but not starting? It's probably time to replace your crankshaft position sensor.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Partial Replacement
