Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove
Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove
Includes rings, wire locks, and 22mm wrist pins - 86.25mm bore, 9:1 CR
JE Pistons Forged Piston – 87.5mm Bore – 11.5:1 CR – BMW E46 M3 S54B32
Enhance your BMW S52B32US engine with this set of 6 JE Pistons, specifically designed for high-performance builds.
Capable of supporting higher power while also reducing piston weight
Performance pistons for the enthusiast looking to bore out their engine and maintain compression at 11.5:1cr
JE Pistons Forged Piston Set – BMW S52B32US – 9:1 Compression Ratio
Piston Single, 2618, Dome, 3.425 Bore, 1.271 CD, 0.827, Pin Dia,
JE, 86mm Bore, 11.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
For 1994-1995 models with S55B30US engine
BMW S54B32 87.5MM Pistons for Turbo and Nitrous Aps.
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
.50mm Oversize
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
10-23-2026
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
10-23-2026
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