Designed to increase compression and enhance power output, these lightweight and durable pistons are ideal for high-performance applications. Specs: 87.50 mm Bore – 1.271 in. CH, -9.20 CC
BMW Z4 M Coupe S54 3.2L Performance Engine Parts
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Mounts
- Oiling System
- Pedal Commander
- Performance Package
- Pistons
- Pulleys
- Software
- Sprint Booster
- Throttle Controller
- Turbocharger
- Water-Meth
Specs: 12.5:1 Compression – 87.00 mm Bore – 1.220 in. CH, -5.50 CC
High-Quality Materials Built to withstand extreme temperatures and pressures for superior engine protection. Specs: – 87.00 mm Bore – 1.220 in. CH, -25.80 CC
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds.
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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
This product was last offered at the strikethrough price on
08-25-2026
Quick connect union T-fitting for 1/4" Nylon
Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment.
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Designed for race engines
Ultra aggressive race cams
For use in professionally-built S54 race engines
A more aggressive option for your track-focused S54
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
100% handcrafted in Italy. Stainless steel construction. Legendary sound!
Requires Supersprint X-Pipe or Custom Section 2 for installation
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
This product was last offered at the strikethrough price on
08-25-2026