MAHLE 197843112 PowerPak Forged Piston Kit BMW - 84.127mm M54 3.0L

The MAHLE 197843112 PowerPak Forged Piston Kit is a high-performance upgrade designed specifically for BMW M54 B30 3.0L engines. This complete piston set replaces factory cast aluminum pistons with precision-forged 4032 aluminum alloy pistons engineered to withstand the extreme heat, detonation, and pressure demands of performance and motorsport applications.

Key Specifications:

• Bore Size: 84.127mm (0.005" oversize)
• Compression Height: 28.32mm
• Stroke: 89.6mm
• Connecting Rod Length: 135mm
• Pin Diameter: 22mm
• Crown Volume: 0cc (flat top with valve reliefs)
• Piston Weight: 304g each
• Compression Ratio: 10.5:1
• Material: Forged 4032 aluminum alloy

Advanced Features:

• Dual-coated with phosphate and MAHLE Grafal® skirt coating for reduced drag and wear
• Hard anodized top ring grooves to protect against micro-welding
• Slipper skirt forging design for lighter weight and lower friction
• Tighter cylinder-to-wall clearances and improved temperature stability
• Complete kit includes pistons, pins, clips, and performance ring sets

Backed by MAHLE's 95+ years of performance engineering experience, this PowerPak piston kit delivers superior reliability and performance for engine builders, track enthusiasts, and performance-oriented daily drivers. The 4032 alloy provides excellent wear resistance and dimensional stability, while the advanced coating technologies ensure longevity even under demanding conditions.

Note: This is a 0.005" oversize piston set requiring proper machining and professional installation. Not legal for use on pollution-controlled vehicles in California per CARB regulations.