Aluminum Serpentine Belt Guard for BMW N52 N54 N55 S55 135i 335i 435i 535i

Protect the front crank seal of BMW N52/N54/N55/S55 engines with this Aluminum Serpentine Belt Guard, a purpose-built shield designed to prevent belt debris or a failing serpentine belt from compromising the crank seal. Crafted from durable aluminum, this guard adds a robust line of defense in the engine bay, helping to minimize oil leaks and costly repairs while maintaining a clean, performance-ready look.

Engineered for a precise, lightweight fit, the guard features a dynamic anodized surface that resists corrosion and stays looking sharp under road and track conditions. The production process uses a single-piece aluminum block cut rather than welding, delivering superior accuracy, rigidity, and a sleek, low-profile appearance. It’s a practical upgrade for daily drivers and enthusiasts who want extra protection without adding unnecessary weight.

Designed to fit a wide range of BMW models equipped with N52, N54, N55, or S55 engines, including popular variants like 135i, 335i, 435i, 535i, and more listed in the product details. To ensure the best fit, check the size shown in the image and confirm compatibility with your vehicle configuration.

Benefits & Tips

• Shields the front crank seal from damage caused by a shredded serpentine belt or belt fragments, reducing the risk of oil leaks and engine contamination.
• Supports easier maintenance by providing a stable guard that stays in place during belt servicing, helping to keep debris out of the engine bay.
• Lightweight aluminum construction delivers durable protection with minimal impact on performance or cooling dynamics.

Product specifications

• Material: Aluminum
• Finish: Dynamic anodized surface for enhanced corrosion resistance and a sleek look
• Production: One-piece aluminum block cutting (no welding) for high accuracy
• Weight: Lightweight construction for minimal impact on engine bay performance
• Function: Front crank seal protection from belt failures and debris intrusion
• Quality assurance: 100% quality assurance tested
• Compatibility: For BMW N52, N54, N55, S55 engines across numerous models (see model range in description)
• Installation: All accessories included for quick and easy installation

Package includes:

• Crank Seal Serpentine Belt Guard
• All accessories included for installation

Warnings/Reminders

• Check your vehicle compatibility by comparing the size in the product image to your model configuration.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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