BMW F10 F11 F13 E70 N63 Engine Timing Case Chain Box Cover Plate Lower 7553364

BMW F10 F11 F13 E70 N63 Engine Timing Case Chain Box Cover Plate Lower is an original component from the Tappet and valve covers group, designed for N63 engines used in BMW F10, F11, F13, and E70 series models. This precisely manufactured lower cover ensures a tight and stable enclosure for the timing mechanism, which helps maintain proper engine operation and reduces leaks.

Specifications and technical data

• SKU: 8483806
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8483806
• Substitutable numbers: 8483806, 11148483806, 7634754, 11147634754
• Category: Rocker & Valve Covers

Purpose and technical function

The lower timing cover in the N63 engine is responsible for shielding the critical area where the chains, sprockets, and valve control elements operate. A properly selected cover:

• stabilizes the timing system in the lower part of the engine,
• limits the ingress of contaminants into the mechanism,
• supports the maintenance of proper lubrication system tightness,
• prevents uncontrolled oil splashing in the timing chamber.

For N63 units, using the correct lower cover is essential for the durability of tappet and valve components, as well as for the stable operation of the entire timing system.

Compatibility with the N63 engine and BMW models

BMW F10 F11 F13 E70 N63 Engine Timing Case Chain Box Cover Plate Lower has been designed as an OEM part for the N63 unit used in selected high-end BMW models and SUVs. This ensures that factory mounting points and geometry are perfectly matched to the engine block and other auxiliary components.

Its original BMW OE origin means the cover complies with the manufacturer's factory standards regarding dimensions, tolerances, and sealing methods. This allows for installation without the need to modify other components in the timing area.

Component characteristics and advantages

As a part from the Tappet and valve covers group, the lower timing cover serves both a protective and structural function. Using an original BMW OE component ensures:

• material consistency with other engine components,
• proper fitment to the block and adjacent covers,
• the ability to utilize factory sealing points,
• maintenance of the manufacturer-intended rigidity of the entire timing zone.

This used component allows for an economical repair while maintaining the original design specifications, which is particularly important for advanced units such as the N63.

Professional installation and service application

When replacing the lower timing cover, installation in a professional service environment is recommended, adhering to manufacturer procedures, including proper preparation of mating surfaces and the use of appropriate seals. A correctly installed cover:

• minimizes the risk of oil leaks in the front part of the engine,
• ensures stable guidance of timing components,
• facilitates subsequent diagnostics of any potential leaks.

For workshops specializing in BMW service, using an original lower timing cover is beneficial both in terms of repair quality and the predictability of the vehicle's further operation.

Expanding repairs within BMW timing covers

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, shields, or parts complementing the valve zone, check out the available parts in the BMW Tappet and valve covers category.

Technical support and part selection

When working with advanced power units like the N63 engine, it is crucial to correctly select all components working within the drivetrain. For more extensive repairs, including those involving the clutch or drivetrain elements, our guide on diagnostics and component selection may be helpful – you can find it in the article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain components.

Summary

BMW F10 F11 F13 E70 N63 Engine Timing Case Chain Box Cover Plate Lower is an original BMW OE component from the tappet and valve covers group, intended for professional repairs in N63 engines. It provides factory fitment, proper protection of the timing mechanism, and the possibility of an economical rebuild of the engine's front zone while maintaining manufacturer standards.