BMW 3 5 7 X3 X5 Series E39 E46 E53 E60 E61 E65 Crank Timing Sprocket 1719984

BMW 3 5 7 X3 X5 Series E39 E46 E53 E60 E61 E65 Crank Timing Sprocket is an original timing system component designed for selected BMW 3, 5, 7, X3, and X5 series models. This precisely manufactured crankshaft timing sprocket ensures stable power transmission and proper engine synchronization. It is an ideal solution for users looking for a proven, used part with factory-spec fitment.

Specifications and technical data

• SKU: 1719984
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1719984
• Substitutable numbers: 11211719984, 1719984, ŁS
• Category: Other Engine Parts

Purpose and function in the BMW engine

The presented crankshaft timing sprocket is responsible for the mechanical connection between the crankshaft and other timing system components. In BMW E39, E46, E53, E60, E61, and E65 series engines, it is responsible for:

• stable torque transmission to other timing components,
• maintaining correct valve timing relative to the crankshaft position,
• reducing the risk of timing drive slippage when properly installed and tensioned.

Thanks to the factory geometry of the sprocket, proper interaction with the chain or other drive components is maintained, which translates into smooth engine operation.

Compatibility with BMW models

The Crank Timing Sprocket has been designed for popular BMW 3, 5, 7 series models and X3 and X5 SUVs from the E39, E46, E53, E60, E61, and E65 generations. This means that with proper selection based on the OEM part number and interchangeable numbers, you can achieve:

• factory fitment with the crankshaft,
• proper interaction with the existing timing system,
• no need for structural modifications.

Selection based on the OEM part number and reference numbers allows you to verify compatibility with a specific engine version of a given BMW model.

Characteristics of the used BMW part

The offered element comes from the BMW group and is a used part, which provides a favorable compromise between cost and maintaining factory specifications. In practice, this means:

• original manufacturing in accordance with manufacturer standards,
• preservation of tooth geometry and mounting typical for the given engine,
• the possibility of economical repair or restoration of the timing system.

Before installation, a standard visual inspection and verification of fitment for the specific engine unit are recommended to fully utilize the potential of this part.

Benefits of using an original timing sprocket

Using an original crankshaft timing sprocket in a BMW brings a number of practical operational benefits:

• maintaining the factory engine operating characteristics,
• reducing the risk of incorrect timing compared to generic aftermarket replacements,
• better durability predictability due to the preservation of the original design.

For users who are upgrading or restoring their timing system, this is a solution that allows for consistency with other drive components.

Related components and further system expansion

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 sprockets, guides, or tensioners, check out the available parts in the Other BMW category.

When expanding or modifying the engine unit, it is also worth learning about the structural differences between sports and standard engine versions – these are discussed in more detail in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the impact of component selection on performance and drive characteristics.

If you are considering improving performance using aftermarket components, the guide Tuning with used parts – how to gain performance without spending a fortune may also be helpful, as it describes a safe approach to modifications using used drivetrain elements.