BMW 3 5 X5 E39 E46 E53 M52 M54 Petrol Engine Cylinder Head Rocker Cover 1432928

BMW 3 5 X5 E39 E46 E53 M52 M54 Petrol Engine Cylinder Head Rocker Cover is an original component from the Tappet and valve covers group, designed for petrol-powered engines. It serves as a precisely fitted cover for the upper part of the cylinder head, ensuring the tightness of the timing system and stable engine operation.

Specifications and technical data

• SKU: 1432928
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1432928
• Substitutable numbers: 11121432928, 1432928, BG
• Fuel type: Petrol
• Category: Rocker & Valve Covers

Purpose and technical function

This rocker cover has been designed specifically for M52 and M54 series petrol engines used in BMW 3, 5, and X5 series models of the E39, E46, and E53 generations. As a component from the Tappet and valve covers group, it is responsible for isolating the timing mechanism from external factors, maintaining proper oil circulation in the upper part of the engine, and controlling oil vapor discharge.

Precise fitment to the cylinder head minimizes the risk of leaks, oil seepage, and unwanted vibrations, which translates into more stable engine operation and easier diagnostics of potential faults.

Benefits of using an original BMW cover

Using an original rocker cover in a BMW petrol engine provides a number of practical operational benefits:

• maintaining factory sealing geometry at the cylinder head-to-cover interface,
• proper routing of oil vapors and gases from the valve chamber,
• stable mounting of ignition coils and accessories in the upper part of the engine,
• easier installation due to the retention of original mounting points and routings.

For M52/M54 petrol engines, maintaining proper tightness of the upper part of the unit is particularly important, as it reduces engine bay contamination, improves operating conditions for accessories, and facilitates maintenance.

Component condition and service application

The cover comes from dismantling and is offered as a used original BMW component. This type of part is perfect for:

• repairs related to oil leaks from the upper part of the engine,
• timing system service and seal replacement,
• restoring the engine unit to its factory configuration after previous modifications.

Thanks to the original design, the cover allows for installation without the need for modifications, which shortens repair time and reduces the risk of assembly errors.

Selection by OEM number and compatibility

To correctly select this rocker cover for a specific BMW vehicle, it is recommended to use the OEM number and vehicle data (model, generation, engine type). In case of doubt, it is useful to compare the markings with the currently installed part or verify via the VIN number.

If you want to check the compatibility of the component with your car step-by-step, a practical guide will be helpful: how to select the right car part by VIN and OEM number.

Expanding the scope of repair within the BMW engine

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional covers, seals, or valve mechanism guards, check the available parts in the BMW Tappet and valve covers category.