Genuine BMW S54 Upper Timing Chain Guide — 11317830159

Keep your S54 timing system properly supported with a new Genuine BMW Upper Timing Chain Guide.

Located in the timing case, this guide helps maintain the timing chain in its correct position as it travels through the engine's timing system. Because the S54 uses a chain-driven valvetrain, the timing chain relies on a series of guides and tensioning components to maintain proper alignment, tension, and smooth operation.

The timing chain guide uses a plastic wear surface designed to reduce chain noise and provide a smooth surface for the chain to travel against. After years of heat cycles, mileage, and constant contact with the timing chain, the original plastic can become worn, brittle, cracked, or damaged.

A deteriorated guide can contribute to timing chain noise, excessive chain movement, and potentially more serious timing-related problems if left unaddressed.

Product Details

• Genuine BMW replacement part
• BMW Part Number: 11317830159
• S54 upper timing chain guide rail
• Maintains proper timing chain alignment
• Helps reduce timing chain noise and movement
• Direct replacement for the original guide
• Recommended replacement during major timing system service
• Designed specifically for the BMW S54B32 engine

Why Replace Your S54 Timing Chain Guide?

The S54's timing chain itself is designed for a long service life, but the plastic components that guide it are still subject to wear and aging.

As the guide material deteriorates, the timing chain can develop additional movement and noise within the timing case. Replacing an aging guide during a timing or VANOS-related service is inexpensive insurance compared with the potential consequences of a timing system failure.

If you're already performing a major S54 VANOS or timing system overhaul, it's an ideal time to inspect the timing chain guides and replace any worn or brittle components while the engine is apart.

Genuine BMW Quality

This is a Genuine BMW component, giving you the same fit, material specification, and design intended for the S54 timing system from the factory.

For critical engine timing components, proper fitment matters. Using the correct guide ensures the timing chain follows its intended path through the timing case.

Fitment Guide

Fits BMW models equipped with the S54B32 3.2L Dual VANOS inline-six engine.

Engine Fitment

S54B32 3.2L Inline-6

• E46 M3 Coupe & Convertible
• E36/7 Z3 M Roadster — S54 models only
• E36/8 Z3 M Coupe — S54 models only
• E85 Z4 M Roadster
• E86 Z4 M Coupe

When performing major timing system or VANOS work on an aging S54, replacing BMW 11317830159 is a smart way to refresh an important wear component while everything is already accessible.