If your M50, M52, or M54 engine takes a few seconds to build oil pressure after sitting, there's a good chance that your factory oil filter housing drain back valve has failed. Over time, the factory plastic check valve degrades, allowing oil to drain completely out of the housing and back into the oil pan while sitting. Every cold start essentially becomes a dry start, resulting in a loud ticking noise and causing unnecessary wear on your engine's internals.
Unfortunately, BMW does not offer this check valve as a standalone part, forcing you to purchase a costly, complete oil filter housing assembly just to fix one failed plastic component. Thankfully, our team of BMW enthusiasts took note of this common failure mode and designed a permanent, cost-effective fix.
Our Billet Oil Filter Housing Drain-Back Valve is designed as a direct-fit upgrade for your factory oil filter housing. CNC-machined from high-strength billet aluminum, this upgraded valve restores positive sealing to keep the oil filter housing fully primed. Maintaining this hydraulic prime ensures rapid oil pressure stabilization upon startup, directly mitigating dry-start bearing wear and top-end lifter starvation without requiring the purchase of a complete OEM housing assembly.
This product was last offered at the strikethrough price on
07-14-2026
This product was last offered at the strikethrough price on
07-14-2026
Ensure optimal performance for your BMW with the Turner Motorsport Full Housing Unit, designed for the replacement of units experiencing leaks, cracks, or internal damage. Mounted on the side of the engine, this upgraded full housing unit in metal provides enhanced durability compared to plastic alternatives. The package includes essential components such as the oil filter cover/lid, oil filter lid O-ring, main gasket to the back of the engine, and a heat exchanger. Turner Motorsport recommends using your preferred filter brand with this unit, offering flexibility for personalized maintenance.
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Keep your BMW and MINI in optimal condition with the Turner Motorsport Full Housing Unit, designed for the replacement of units experiencing leaks, cracks, or internal damage. This comprehensive unit includes the oil filter set, even though it's not shown, ensuring a complete replacement solution. Mounted on the side of the engine, this housing unit comes with essential components, providing a hassle-free replacement process.
This product was last offered at the strikethrough price on
07-26-2026
This product was last offered at the strikethrough price on
07-26-2026
This product was last offered at the strikethrough price on
05-03-2026
Upgrade your Mini's engine with the Oil Filter Housing W/ Cap for N14 1.6L Engine. This full housing unit is designed for replacing a unit that has experienced leaks, cracks, or internal damage, ensuring optimal engine performance and longevity. It includes an oil filter set for added convenience, though the specific brand is not shown. Easily mountable to the side of the engine, this housing unit offers a hassle-free installation process. For best results, it is recommended to use your preferred filter brand with this aftermarket housing unit.
