NRW Designs S85 Billet Spark Plug Tubes
BMW owners can ensure better sealing, eliminate the risk of oil leaks into the spark plug wells, and maintain peak ignition performance.
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This product was last offered at the strikethrough price on
08-14-2026
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Product Details
NRW Designs S85 Billet Spark Plug Tubes are precision-engineered for high-performance BMW V10 engines and serve as a robust upgrade over the factory plastic components. Designed specifically for the BMW E60 M5 and E63/E64 M6 with the S85 engine, these CNC-machined aluminum tubes eliminate a common failure point and improve long-term reliability. Available through Turner Motorsport, this set delivers the performance and durability enthusiasts demand from their S85-powered machines.
Key Features and Benefits:
- Manufactured from high-strength billet aluminum for superior durability
- Direct replacement for OEM spark plug tubes on S85 engines
- Resists cracking and deformation caused by engine heat and age
- Designed to work with both factory and aftermarket valve covers
- Includes Viton O-rings for enhanced oil and heat resistance
- Ideal for performance builds and preventive maintenance
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