M20 2.5L Mahle Piston Set

Mahle is an OE piston supplier for BMW, and this piston set is a stock-replacement option for M20B25 rebuilds. These come standard in our Touring 2.5L engines and are an option for race builds where class rules call for OE-spec pistons.

• Fits: all BMW M20B25 engines
• 84.5mm bore (0.5mm oversize)
• 8.8:1 compression ratio (stock)
• Includes piston rings, wrist pins, and wrist pin clips

The OE-replacement pistons we trust in our own M20B25 builds at BimmerHeads.