BMW F10 M5 F12 M6 Timing Chain Guide Lower Timing Case Rail 7574373

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F10 M5 F12 M6 Timing Chain Guide Lower Timing Case Rail is a precision guide component responsible for the stable guidance of the timing chain in high-performance M-series power units. Thanks to its factory-spec geometry and precise fitment for the specific vehicle location, it ensures proper operation of the timing system and reduces the risk of unwanted slack and noise. This solution is intended for users who expect consistency with the original BMW design and wish to maintain engine performance characteristics in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: 7574373
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7574373
• Substitutable numbers: 7574373, 11147574373
• Location on the vehicle: Left
• Category: Other Engine Parts

Purpose and function in the timing system

The timing chain guide lower timing case rail in BMW F10 M5 and F12 M6 models is responsible for guiding the chain in the lower part of the system, stabilizing its path relative to the crankshaft sprockets and other timing drive components. A correctly selected guide:

• ensures controlled chain tension in the critical area of engine operation,
• reduces wear on mating components thanks to a properly selected sliding surface,
• minimizes the risk of chain skipping during dynamic load changes.

In M-series units, which operate at high RPMs and under heavy loads, stable timing chain guidance is crucial for maintaining precise valve timing and repeatable performance.

Fitment for BMW F10 M5 and F12 M6

The presented component has been designed specifically for the timing systems in the sports models BMW F10 M5 and F12 M6. This means that its geometry, mounting points, and the profile of the surface interacting with the chain are adapted to the specific construction of these power units. As a result:

• compatibility with the factory guide and tensioner system is maintained,
• installation is predictable for the mechanic, with no modifications required,
• the timing operation characteristics remain consistent with the manufacturer's design.

The placement on the left side of the vehicle allows for clear identification of the component's position in the system, which facilitates service planning and the selection of other components.

Performance characteristics and advantages

The timing chain guide lower timing case rail in the version intended for the M-series has been developed for operation in demanding thermal and mechanical conditions. The use of appropriate sliding material and factory design translates into:

• stable chain guidance at high rotational speeds,
• reduction of noise and vibrations generated by the timing system,
• even distribution of loads on mating components.

For owners of the BMW F10 M5 and F12 M6, this means the ability to maintain consistent engine operation after timing service, without compromising on dynamics or engine refinement.

Component condition and service application

The offered timing chain guide lower timing case rail is a used part, which makes it an attractive solution in situations where the priority is cost optimization while maintaining compliance with the original BMW design. This type of component is particularly suitable for:

• comprehensive timing system maintenance in specialized workshops,
• repairs of units after failure, where it is necessary to replace several guide components,
• restoration projects where maintaining the original technical specification is important.

For workshops servicing M models, the use of original design solutions allows for maintaining repeatable repair quality and reducing the risk of operational problems resulting from component mismatch.

Related components and technical knowledge

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 guides, tensioners, or additional timing system parts, check out the available parts in the Other BMW category.

For a better understanding of the design differences between sports and standard car versions, including the impact of engine and chassis solutions on driving characteristics, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which organizes knowledge about advanced drive systems and their maintenance.