Cap Oil Filler (Skp) (BMW 3 Series E30 / E36 / E46 / Z3 / 5 Series E39 / X5 E53) serves as the sealing cover for the engine’s oil filler neck. This cap prevents oil contamination and ensures the engine oil reservoir remains protected from dirt, debris, and moisture. It is designed for BMW vehicles across multiple series, including the 3 Series models E30, E36, and E46, as well as the Z3, 5 Series E39, and X5 E53.
The oil filler cap is a critical engine component that fits atop the oil filler opening. When replacing, compare the existing cap’s shape, size, and sealing functionality with this unit to ensure compatibility. It should firmly seal the oil filler neck to maintain proper engine oil system pressure and prevent oil leaks during engine operation.
This listing is intended for buyers needing a replacement or spare cap specifically suited to the stated BMW model range. The part category is universal accessory but tailored for BMW 3 Series and related models mentioned in the product title. Confirm your vehicle’s current oil filler cap matches these model references to select the correct item.
- Seals the engine oil filler neck
- Compatible with BMW 3 Series E30, E36, E46, Z3, 5 Series E39, X5 E53
- Essential for maintaining engine oil cleanliness and pressure
Not sure the code, size or specification matches? Use more Oil or Request a Part with a clear photo of the old part before checkout.





