Cheap BMW 4 Series Window Motor
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A buyer's guide to used BMW 4 Series window motor
No two window motors are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- Specify front/rear and left/right
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Fitment questions
Will a window motor from an F32 BMW 4 Series fit my G22 4 Series?
No — the F32 (first-generation 4 Series, 2013–2020) and the G22 (second-generation 4 Series, launched 2020) are completely different body shells with different door structures, so the window motors are not interchangeable. Always quote your registration to the breaker so they can confirm the exact generation before purchasing.
Does the year of the 4 Series matter when buying a used window motor?
Yes, generation is the key factor — the F32/F33/F36 covers 2013–2020 and the G22/G23/G24 covers 2020 onwards, and motors between these generations will not interchange. Even within the F32 generation there was a facelift around 2017, so confirm with the breaker whether the motor crosses that boundary safely for your specific door.
Does it matter whether I have a 4 Series Coupe, Convertible, or Gran Coupe when ordering a window motor?
Yes, it matters — the two-door Coupe (F32/G22), Convertible (F33/G23), and four-door Gran Coupe (F36/G24) all have different door sizes and frame profiles, meaning window motors are body-style specific and will not simply swap between them. Tell the breaker your exact body style and registration to make sure you get the right unit.
Does the trim level — for example Sport, M Sport, or M440i — affect which window motor I need?
Trim level does not affect window motor fitment — the door shell and glass mechanism are shared across Sport, M Sport, SE, xDrive and M440i variants within the same generation and body style. The main fitment factors are generation, body style, and which side of the car (NS for nearside/passenger or OS for offside/driver) you need.
Will a nearside window motor from a 4 Series fit the offside door?
No — window motors are side-specific, as the regulator mechanism is handed for the left (NS, nearside, passenger side) and right (OS, offside, driver side) doors. Make sure you specify clearly to the breaker whether you need NS or OS when requesting a quote.
Does engine size or drivetrain — for example xDrive four-wheel drive — affect which window motor I need?
No — engine choice, gearbox type, and whether the car is rear-wheel drive or xDrive four-wheel drive have no bearing on window motor fitment. The motor is determined solely by the generation, body style, and door side (NS or OS), so do not let a breaker charge a premium on engine grounds.