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.
Great for both gasoline and diesel engines!
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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
05-14-2026
Does not include hardware
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Necessary to build oil pressure
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
08-06-2026
Used on either side of each motor mount
More flow for less restrictions, don't let your exhaust be the weak point of power
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
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For vehicles with Valeo alternator only
This product was last offered at the strikethrough price on
06-13-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
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For vehicles with Bosch alternator only
This product was last offered at the strikethrough price on
06-13-2026
Used to encase the camshaft in the cylinder head
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
08-06-2026
To be replaced when dry, cracked, or leaking.
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
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This product was last offered at the strikethrough price on
06-13-2026
Provides tension between the crank pulley and A/C compressor.
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This product was last offered at the strikethrough price on
05-02-2026
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