Aluminum Upgrade 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 replaces the factory cover on BMW N52 engines, sealing the valvetrain and helping prevent the warping and cracking common to aging plastic covers.

Overview

This aluminum valve cover is made to replace a cracked or warped factory cover on BMW N52 engines found across a range of 128i, 328i, 528i, X3, X5, and Z4 models. The aluminum construction resists the heat cycling that causes plastic covers to fail, helping keep oil contained and the valvetrain sealed. It suits owners and shops handling N52 valve cover replacement on higher-mileage BMW vehicles.

Built For Performance

• Aluminum construction resists warping and cracking from repeated heat cycles
• Direct replacement design for the BMW N52 engine valve cover
• Helps maintain a proper seal over the valvetrain and camshaft area
• Sturdier than the original plastic cover for long-term durability
• Fits a wide range of BMW N52 applications across multiple model lines

Fits These Machines

• for BMW 128i E82 N52
• for BMW 328i E90 N52
• for BMW 328i E91 N52
• for BMW 528i E70 N52
• for BMW X3 N52
• for BMW X5 N52
• for BMW Z4 N52

On-The-Job Use

• Replacing a cracked or warped valve cover causing oil leaks on N52 engines
• Valve cover gasket service where the original plastic cover has failed
• Shop repairs on higher-mileage BMW 128i, 328i, 528i, X3, X5, and Z4 models
• Preventive replacement before a plastic cover fails and leaks oil onto exhaust components

Specs At A Glance

Good To Know

Q: Does this aluminum valve cover fit all BMW N52 engines? A: It is listed for N52 applications across E70, E82, E90, E91, 328i, 528i, 128i, X3, X5, and Z4 models, but fitment can vary by production year and engine variant. Confirm your exact model and engine code before ordering.

Q: Should I replace the valve cover gasket at the same time? A: Yes, a new gasket is commonly installed with the valve cover to ensure a clean seal. Check the gasket, bolts, and related seals during the job.

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