The JE Pistons BMW S50B30US 9:1 KIT is a high-performance piston set designed for the BMW 3.0L S50B30US engine. This kit offers a lower 9:1 compression ratio, ideal for forced induction applications like turbocharging or supercharging.
The JE Pistons BMW S50B30US 9:1 KIT is a high-performance piston set designed for the BMW 3.0L S50B30US engine. This kit offers a lower 9:1 compression ratio, ideal for forced induction applications like turbocharging or supercharging.
Upgrade to Manley's Platinum Extreme Duty Pistons for increased performance!
Stock 10.2:1 Compression Ratio
Std. Size
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026
Does not include hardware
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This product was last offered at the strikethrough price on
08-26-2026
Runs the HPFP and Oil Pump.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026
Proper lubrication of metal mating surfaces is essential prior to starting a new or rebuilt engine.
Use the correct tool when doing shim work and make your life a lot easier.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Add flare in the engine bay!
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
09-03-2026
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 4032. Get the performance and reliability your S52 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston. MAHLE forged pistons more tolerant to the
Forged, 4032. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Replace the OE cast aluminum pistons with stronger forged MAHLE pistons. Includes Pistons, Rings, and hardware.
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC