Upgrade Aluminum Valve Cover For Bmw N52 E70 E82 E90 E91 328i 528i 128i X3 X5 Z4

Aluminum Valve Cover for BMW N52

This aluminum valve cover replacement is designed for BMW N52 engines, sealing the valvetrain and managing crankcase ventilation on models like the 328i, 528i, 128i, X3, X5, and Z4.

Overview

This aluminum valve cover for BMW N52 engines replaces a cracked or warped factory cover to keep oil contained and the valvetrain properly enclosed. It serves as a durable alternative for the 328i, 528i, 128i, X3, X5, and Z4, sealing against oil leaks and supporting the integrated PCV system. The aluminum valve cover for BMW N52 offers cooler running and better resistance to heat cycling than plastic, giving long-term sealing on E70, E82, E90, and E91 platforms.

Built For Performance

• Aluminum construction resists warping and cracking from repeated heat cycles
• Designed for N52 engine series found in E70, E82, E90, E91 and related chassis
• Integrated crankcase ventilation passages match the factory PCV layout
• Rigid alloy body holds torque on the mounting fasteners better than plastic
• Direct replacement footprint for straightforward installation

Fits These Machines

• for BMW 328i (E90/E91)
• for BMW 528i
• for BMW 128i (E82)
• for BMW X3 (E83)
• for BMW X5 (E70)
• for BMW Z4

On-The-Job Use

• Replacing a cracked or oil-leaking factory valve cover
• Refreshing the top end during a valve cover gasket job
• Restoring proper crankcase ventilation on N52 engines
• Fixing persistent oil seepage onto exhaust or spark plug wells

Specs At A Glance

Good To Know

Q: Does this valve cover come with a gasket? A: Check the listing contents, as gaskets are often sold separately; reusing or replacing the valve cover gasket at installation is recommended to prevent leaks. A: Recheck bolt torque after the first heat cycle.

Q: Will this fit any N52 engine? A: Fitment varies by chassis and model year, so confirm your specific E70, E82, E90, E91, X3, X5, or Z4 application before ordering. A: Serial number and production date can affect compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.