BMW F45 Door Window Regulator Lifter Motor Rear Left N/S 2.0 Diesel 2574207

BMW F45 Door Window Regulator Lifter Motor Rear Left N/S 2.0 Diesel is an original component from the Window Regulators and Motors group, designed for the rear left side of the vehicle body. It ensures stable, predictable operation of the window lifting mechanism in BMW cars with a diesel engine, restoring full functionality of the window control for the rear passenger side.

Specifications and technical data

• SKU: 2574207
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2574207
• Substitutable numbers: 2574207, 132624
• Location on the vehicle: Rear, Left
• Fuel type: Diesel
• Part type: Regulator & Motor Assembly
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented window regulator motor is dedicated for installation in the rear left part of the BMW F45 series body with a diesel powertrain. It is responsible for driving the window lifting and lowering mechanism, working in conjunction with the factory door controls and the vehicle's electrical system. Thanks to its precise fit for the F45 platform, this component allows for maintaining the factory window operating characteristics – smooth start, uniform movement, and correct response to signals from the door control buttons and the driver's panel.

Construction and fitment for BMW F45

The window regulator motor has been designed as an OEM part for BMW, which means compatibility with the original mounting geometry and the electrical connector used in the rear left door. The construction is prepared for operation in typical passenger car service conditions, taking into account the loads resulting from frequent window opening and closing. Its placement in the rear left door makes this component crucial for the comfort of rear passengers, as well as for the proper functioning of safety features related to window locks and central control.

Benefits of using an original regulator motor

Using an original window regulator motor in a BMW F45 offers a number of practical advantages:

• secure fitment to the factory regulator mechanism and window guides,
• compatibility with the electrical system and rear door controls,
• maintenance of the manufacturer-intended window speed and operating quality,
• reduction of the risk of comfort module errors resulting from incompatible operating parameters. A used OEM component is also a reasonable compromise between repair cost and maintaining original build quality, which is particularly important when servicing diesel-powered vehicles where durability and predictable component operation are essential.

Operational characteristics and installation

The window regulator motor in the version designed for the rear left side is structurally prepared to work in doors exposed to variable conditions – temperature fluctuations, moisture, and vibrations resulting from driving. Proper housing sealing and matching to the factory mounting promotes stable operation over a long period of use. In practice, installation involves replacing the existing motor in the regulator assembly, while maintaining factory mounting points and the original connector. This allows for restoring window efficiency without the need for electrical harness modifications or interference with the door structure.

Why choose a used OEM component

For components such as a window regulator motor, choosing a used original part often proves more cost-effective than purchasing a replacement with uncertain parameters. You receive a part designed specifically for a given BMW model, with verified compatibility with the electrical system and door mechanics. If you want to better understand how to safely select used powertrain components and accessories, and how to evaluate the cost-effectiveness of such purchases, it is worth checking out our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical tips there that also help when making decisions about choosing used electrical equipment components. If you are planning a comprehensive repair or upgrade of the window control area in your BMW and need other elements from the same group, such as drives, control modules, or complete regulator mechanisms, check out the available parts in the BMW Window Regulators and Motors category.