BMW 1 3 5 Serie E90 LCI F10 F20 F21 F30 Petrol N55 Crankshaft Wheel Ring 7574145

The BMW E90 LCI F20 F30 Crankshaft Sensor Wheel is a precise component of the gasoline engine control system, responsible for accurately reflecting the crankshaft's position. Thanks to its factory BMW specification and preserved original geometry, this part ensures stable engine operation and correct ignition synchronization. It's a practical solution for diagnosing faults, engine overhauls, and professional repairs on gasoline-powered BMW vehicles.

Specifications and technical data

• SKU: 7574145
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7574145
• Substitutable numbers: 11117574145, 7574145, AS
• Fuel type: Petrol
• Category: Other Engine Parts

Purpose and Function of the Crankshaft Sensor Wheel

The crankshaft sensor wheel works in conjunction with the crankshaft position sensor, generating a reference signal for the engine control unit (ECU). Based on this signal, the ECU determines the crankshaft's rotation angle, fuel injection timing, and ignition timing, which are crucial for the smooth operation, dynamics, and fuel consumption of a gasoline engine.

In BMW E90 LCI, F20, and F30 series vehicles, a properly functioning sensor wheel is essential for:

• stable engine starting in various temperature conditions,
• maintaining consistent idle speed,
• precise ignition and injection synchronization,
• correct operation of OBD diagnostic systems.

Benefits of Using an Original BMW Part

The offered crankshaft sensor wheel for BMW comes from the original production line, meaning it retains factory manufacturing tolerances and compatibility with the control unit's software. In practice, this translates to:

• secure fitment to the crankshaft and engine accessories,
• proper cooperation with the crankshaft position sensor without the need for adaptation,
• maintaining engine operating parameters in line with the manufacturer's specifications.

As a used part, it offers a cost-effective solution while preserving the original operating characteristics of the engine control system.

Application in BMW Gasoline Engines

The presented sensor wheel is designed to work with BMW engines powered by gasoline. Its construction and tooth profile are tailored to the requirements of control units used in E90 LCI, F20, and F30 models, making it easier for service technicians and mechanics to select the correct component during repairs.

Replacing the crankshaft sensor wheel is particularly recommended in situations where:

• engine starting or stalling issues occur,
• crankshaft position sensor errors are logged in the control unit's memory,
• the engine runs unevenly at low and medium RPMs.

Part Condition and Installation Aspects

This component is from a dismantled vehicle, allowing for economical repairs while maintaining original BMW specifications. Before installation, a standard inspection of the working surfaces and correct seating on the shaft is recommended to ensure proper positioning relative to the sensor. A correctly fitted sensor wheel minimizes the risk of repeat dismantling and speeds up the service process.

Related Products and Technical Knowledge

If you plan to replace other components related to diagnostics, engine accessories, or mountings during the repair of your BMW's engine control system, check the available parts in the Other BMW category.

To compare technical solutions used in different brands and sports versions, and to better understand the differences in engine and braking system designs, it is worth reading the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which illustrates how premium manufacturers design their powertrains and accessories.