Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 8,100rpm, improves throttle response, and improves power output - plus remembers your Sport Mode selection! For use with 91 octane fuel.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3138987
Mfg#:
N4S54MEM
Ships on Aug 11, 2026
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Keep your engine securely mounted
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
The JE 12.5:1 pistons for the BMW S54B32 are engineered to elevate performance by boosting the engine's compression ratio. Specs: 12.5:1 Compression - 87.00 mm Bore – 1.271 in. CH, -8.70 CC
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This piston ensures seamless fitment and outstanding quality, meeting the highest standards for BMW performance parts. Specs: 11.5:1 Compression, 87.00 mm Bore, 1.220 in. CH, -9.90 CC
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Pistons are high-performance forged pistons designed for racing and high-output engines. Known for their durability, precision, and advanced engineering. Specs: 87.50 mm Bore – 1.271 in. CH, -30.00 CC
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
