BMW Z4 E60 E81 E85 E87 N46 N46N Engine Starter Motor Lucas 428000-1750 7523450

BMW Z4 E60 E81 E85 E87 N46 N46N Engine Starter Motor Lucas is an original starting system component designed for BMW N46 and N46N petrol engines. This used Lucas starter motor ensures reliable engine starting while maintaining factory performance specifications and perfect compatibility with the vehicle's electrical system. It is an ideal solution for drivers seeking a proven design at a reasonable price, without compromising on compatibility.

Specifications and technical data

• SKU: 7523450-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7523450
• Substitutable numbers: 12417610341, 7610341, 12417524843, 7524843, 12417523450, 7523450, 428000-1750
• Fuel type: Petrol
• Category: Other Engine Parts

Purpose and compatibility with BMW engines

The presented starter motor is dedicated to selected BMW models, including the Z4, E60, E81, and E85 series, equipped with N46 and N46N petrol engines. As a result, the driver receives a component designed specifically for these engines, ensuring proper fitment with the flywheel, correct starting torque, and seamless integration with the factory control system.

The Lucas starter motor belongs to the group of components installed in original BMW systems, which facilitates its integration with the wiring harness and power supply system. This configuration minimizes the risk of cold-start issues, voltage drops, or improper relay operation.

Construction and technical characteristics

The Lucas engine starter motor in this version has been designed for operation in BMW four-cylinder petrol engines. The construction includes an integrated solenoid, a gear assembly, and a rotor and brush unit, optimized for quickly reaching the rotational speed necessary for reliable ignition of the fuel-air mixture.

Key features of this model include:

• dedicated design for petrol engines,
• compatibility with the BMW electrical system in the listed body generations,
• construction based on the proven Lucas design used in factory starting systems.

This configuration allows for maintaining the correct starting current parameters and crankshaft rotation time, which directly impacts the engine's operating smoothness during startup.

Condition, verification, and practical application

The offered starter motor is a used component, meaning it has been removed from a vehicle but retains full functionality for continued use. This type of part is a good choice in situations where the current starter shows signs of wear, such as slow cranking, characteristic grinding noises when engaging with the flywheel ring gear, or irregular solenoid operation.

Replacing the starter with an original Lucas unit designed for N46/N46N engines allows for the restoration of correct starting parameters without the need for adaptation or modifications to the installation. This is particularly important in more modern BMW models, where the starting system interacts with safety and onboard diagnostic systems.

Benefits of using an original Lucas starter motor

Choosing a starter motor dedicated to specific BMW models offers a range of practical benefits:

• reliable petrol engine starting across a wide temperature range,
• preservation of the factory starting system characteristics,
• no need for electrical or mechanical modifications,
• better compatibility with the vehicle's diagnostic system compared to generic aftermarket replacements.

Thanks to this, the starter will perform well in both daily city driving and on longer trips, where a reliable engine start is crucial for the comfort of using the car.

Drivetrain expansion and technical knowledge

When planning service work on the drivetrain, it is worth looking at the cooperating components more broadly – from the starter to the clutch and transmission elements. It may be helpful to use expert materials, such as the article on diagnostics and selection of clutch and dual-mass flywheel components, available at the link Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which facilitates planning comprehensive drivetrain maintenance.

Other BMW elements from this group

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional modules, engine accessories, or electrical system components, check the available parts in the Other BMW category.

For those interested in comparing technical solutions used in different brands and sports versions, an interesting addition to your knowledge may be an article describing the differences in the construction of engines, brakes, and chassis in high-performance models, available at the link Audi RS vs other models – what is hidden under the hood and chassis?. It allows for a better understanding of how manufacturers design drivetrains and starting systems in cars with different characteristics.