Precision-Engineered Main & Connecting Rod Bearings for BMW N52/N54/N55 Engines
High-performance crankshaft bearing set crafted from premium aluminum-silicon alloy with anti-wear overlay, ensuring optimal load distribution and heat dissipation under extreme conditions. Direct OEM replacement (P/N: 11217627033, 11247628035/034) with micron-level tolerances for seamless fitment. Micro-groove surface finish retains lubrication film, reducing friction by 30% compared to standard bearings. Includes precisely matched upper/lower shells with laser-etched positioning marks for error-free installation. Ideal for turbocharged applications (N54/N55) and high-mileage rebuilds. Compatible with 2.5L-3.0L variants (325i/535i/X3/X5). Ships in vacuum-sealed corrosion-proof packaging.
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Global wholesale pricing · 72-hour bulk dispatch · 100% pressure-tested before shipment · ISO/TS 16949 certified manufacturing.