Second Hand BMW M4 Window Regulator
Compare prices on a used BMW M4 window regulator from UK breakers. Free part request, no obligation.
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Choosing the right used BMW M4 window regulator
Used window regulators vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:
- Specify front/rear and left/right
- State whether the window is manual or electric
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Fitment questions
What years does a BMW M4 window regulator fit – what are the generations?
The BMW M4 has run across two main generations: the F82 (coupe) and F83 (convertible), produced from 2014 to 2020, and the current G82 (coupe) and G83 (convertible), launched from 2021 onwards. These two generations are not interchangeable, so always make sure the part you're buying matches your generation – F82/F83 or G82/G83. When getting a quote from a breaker, quote your registration so they can confirm the exact generation.
Will a window regulator from a 2017 M4 fit my 2021 M4?
2017 puts your car in the F82/F83 generation (2014–2020), while 2021 falls into the newer G82/G83 generation, and the two generations use different door structures, so a direct swap is very unlikely. You should treat these as different parts and source accordingly – confirm with the breaker against both registrations before buying. Never assume cross-generation fitment without verification.
Does it matter whether I need the NS or OS regulator on my BMW M4?
Yes – window regulators are side-specific, so a nearside (NS, passenger/left) regulator will not fit the offside (OS, driver/right) door and vice versa. Always specify NS or OS clearly when requesting a quote from a breaker. Getting this wrong means the part simply won't fit, so double-check which door needs the repair before ordering.
Does the trim level affect which window regulator fits my BMW M4 – for example, Competition vs standard?
Trim level does not affect window regulator fitment on the M4 – the door frame and regulator mechanism are the same whether you have a standard M4 or the Competition variant. You may find minor cosmetic differences such as interior trim pieces or door cards, but the regulator itself is interchangeable across trim levels within the same generation and side. Focus on matching generation and NS/OS, not trim designation.
I have a BMW M4 Convertible – can I use a regulator from a Coupe?
No – the M4 Coupe (F82/G82) and Convertible (F83/G83) have different door and roof structures, which means their window regulators are not the same part. Always tell your breaker whether you have a Coupe or Convertible as well as the generation, side, and your registration. Supplying the wrong body style will almost certainly result in the part not fitting.
Does it matter if the replacement regulator is electric or manual – will any regulator fit my M4?
The M4 is generally expected to be fully electric throughout its production, but whether a specific part from a donor car matches your car's mechanism is something you should confirm with the breaker against your registration rather than assume. Differences in motor type or connector configuration can mean a regulator looks right but won't work correctly. Ask the breaker to verify compatibility using both registrations before purchasing.