A-Premium Engine Valve Cover for BMW N52 L6 3.0L/2.5L — Complete Gasket, Seals & Cap Kit

A-Premium Engine Valve Cover assembly replaces the BMW 11127552281 valve cover and includes the gasket set, spark plug seals, bolts and oil filler cap for N52 3.0L/2.5L engines.

This replacement valve cover kit from A-Premium is built to restore proper sealing and crankcase ventilation on a range of BMW models that use the N52 naturally aspirated inline-six engines. The kit arrives with the main valve cover, the matching gasket, three spark plug seals, twenty mounting bolts and a compatible oil filler cap, all pre-assembled for faster installation. It’s intended as a direct-fit aftermarket alternative to BMW part numbers 11-12-7-552-281 and related gasket and cap references, making it useful when the factory cover leaks, smokes, or contributes to vacuum/breather issues.

Will this valve cover fit my BMW model?

Yes — the A-Premium valve cover is designed for many BMWs that use the N52 engine family. Check your vehicle year and engine displacement against the included fitment list to confirm compatibility before ordering.

• Fits L6 3.0L and 2.5L N52 gasoline engines.
• Compatible models include 1 Series (125i, 128i, 130i), 3 Series (323i, 328i, 328xi, 328i xDrive), 5 Series (525i, 528i, 528xi, 528i xDrive, 530i), X3, X5 and Z4 across listed years.
• Replaces OEM valve cover #11127552281 and related gasket/cap part numbers.

How does this kit address oil leaks and engine bay smoke?

Leaking valve covers or hardened gaskets often allow oil into the exhaust or ignitions, which produces smoke and burning smells. Replacing the cover and seals restores a proper seal and improves crankcase ventilation, helping reduce visible leaks and related odors.

• Main valve cover with pre-installed gasket reduces installation errors.
• Spark plug seals prevent oil intrusion around plugs, reducing misfires.
• Included bolts and oil filler cap ensure a complete, OEM-style replacement.

What’s included and do I need extra parts to install it?

The kit ships as a complete assembly so most technicians will have everything needed for a standard valve cover swap. You may still want to inspect PCV components, spark plug wires, and nearby gaskets for wear while the cover is off.

• 1 x Engine valve cover (pre-assembled accessories).
• 1 x Main valve cover gasket and 3 x spark plug seals included.
• 20 x mounting bolts and 1 x oil filler cap provided — no separate OEM ordering required.

How does this aftermarket part compare to buying from BMW?

A-Premium’s assembly aims to match fit and function at a lower cost than buying each OEM component separately from the dealer. It’s a practical option for routine repairs when the original part shows age-related failures, while still referencing the correct BMW part numbers for verification.

• Direct-fit design based on BMW part references to simplify selection.
• Cost-effective alternative to multiple dealer-sourced parts and labor.
• Supplied as a full kit to speed replacement and reduce additional purchases.

Who is this for: This valve cover kit is intended for DIY mechanics, independent repair shops and BMW owners who need a complete, ready-to-install replacement for N52-equipped cars showing oil leaks, smoking, or breather system issues. Confirm compatibility with your specific model year and engine code before purchase, and consider a professional installation if you’re not familiar with valve cover torque sequences and PCV system checks.