Description
Upgrade your BMW M57 or M47 diesel engine with our precision-engineered Billet Aluminium Breather Plate. Made from high-grade billet aluminium, this plate provides a durable, reliable alternative to the factory plastic system, which can become brittle and prone to cracking over time. Built to perform under both daily driving and high-performance conditions, it ensures consistent crankcase ventilation and optimized airflow efficiency.
Supporting AN-12 fittings, the breather plate promotes smoother, unrestricted airflow and improved oil vapour management. This reduces pressure build-up inside the engine, resulting in a cleaner, more efficient crankcase system that helps prevent leaks and extends engine life.
Each breather plate is carefully finished for perfect fitment and long-term reliability. Its robust construction withstands heat, pressure, and vibration — making it ideal for enthusiasts who demand maximum performance from their diesel engines.
Features
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Durable Construction: CNC-machined billet aluminium for strength and precision.
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Improved Airflow: Compatible with AN-12 fittings for efficient engine breathing.
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Enhanced Engine Protection: Reduces crankcase pressure, contamination, and oil leakage.
Compatibility:
Fits BMW diesel engines: M57N, M57N2, M47N, M47N2.
Additional Fittings (Sold Separately):
AN-12 Straight Fitting – for secure, leak-free connections.
AN-12 Barb Fitting – for smooth, high-flow hose connections.
Support & Compatibility
Ensure compatibility with your BMW before ordering.
For assistance, email [email protected] with your VIN or registration.
Shipping & Returns
All items are security marked before dispatch.
For details on shipping, delivery, returns, or if an item arrives damaged, see the Additional Information section.









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