A-Premium Engine Valve Cover Kit for BMW N52 2.5L/3.0L – Complete Gasket, Bolts & Oil Cap

A-Premium's direct-fit engine valve cover kit replaces BMW part 11127552281 and includes the valve cover, gasket set, bolts and oil filler cap for N52 2.5L/3.0L engines.

This complete valve cover assembly is engineered to match the fitment and function of the OEM BMW valve cover for a wide range of E- and F-series models using the naturally aspirated N52 inline-six engines. The kit arrives with the main valve cover, a pre-assembled gasket set including spark plug seals, replacement bolts and an oil filler cap so you can address valve cover leaks, oil seepage around spark plug wells, and restore proper crankcase ventilation without sourcing multiple parts separately.

Which BMW models and engines does this valve cover fit?

This A-Premium valve cover is designed for petrol N52 straight-six engines with 2.5L and 3.0L displacement. It covers numerous chassis codes across sedans, coupes, convertibles and SUVs listed by BMW for that engine family.

• Fits: 125i, 128i, 130i, 323i, 328i, 328i xDrive, 328xi, 525i, 528i, 528i xDrive, 528xi, 530i, X3, X5, Z4 models (years vary by model).
• Compatible with chassis: E60, E70, E82, E83, E85, E86, E88, E89, E90, E91, E92, E93, F10, F25, F30.
• Engine family: N52 naturally aspirated inline-six (2.5L / 3.0L).

What is included in the kit and why does that matter for repairs?

The kit is packaged as a ready-to-install assembly so you avoid multiple part numbers, mismatched seals or missing hardware. All components needed to reseal the valve cover and replace wear items are provided to simplify the job for DIY mechanics or professional shops.

• 1 x Valve cover pre-drilled and assembled with accessories for direct installation.
• 1 x Main valve cover gasket plus 3 spark plug well seals to prevent oil ingress.
• 20 x replacement valve cover bolts and 1 x oil filler cap matching BMW reference numbers.

How does this part help with common engine bay issues?

Replacing a worn valve cover and seals stops oil leaks that can cause burning-oil odors, smoke near the engine, or oil in the spark plug wells that can lead to misfires. The included components also restore proper crankcase venting and protect ignition components from oil contamination.

• Stops oil seepage from deteriorated gaskets and aging bolt seals.
• Prevents oil contamination of spark plugs and ignition coils, reducing misfire risk.
• Replaces the oil filler cap to ensure a secure seal and correct crankcase pressure management.

Are these parts compatible with BMW OEM reference numbers?

Yes — the A-Premium kit is matched to the common OEM reference numbers so it integrates with factory parts and follows original fitment guidelines. Use the listed part references to confirm match with your vehicle's service documentation before ordering.

• Valve cover references: 11127552281, 11-12-7-552-281 and aftermarket 264-935.
• Gasket references: 11127559311, 11127582245 and OEM-style numbers included in the listing.
• Oil filler cap references: 11127560482, 11128655331 to ensure proper fit.

Who is this for: This A-Premium valve cover kit is ideal for BMW owners and independent mechanics working on N52 2.5L/3.0L engines who need a full replacement package — whether repairing oil leaks, replacing brittle spark plug well seals, or performing a preventative refresh. It suits DIY enthusiasts who want a single, complete assembly and professional shops seeking a cost-effective OEM-aligned alternative to dealer parts.