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Second Hand BMW 4 Series Curtain Airbag

Compare prices on a used BMW 4 Series curtain airbag from UK breakers. Free part request, no obligation.

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A buyer's guide to used BMW 4 Series curtain airbag

No two curtain airbags 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:

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Used curtain airbag for other BMW models

Fitment questions

Does a curtain airbag from an earlier BMW 4 Series fit a later one, for example will a pre-2017 unit fit a post-2017 car?

The first-generation BMW 4 Series ran from 2013 to 2020, with a facelift in 2017, and curtain airbags are fitted across this generation. Parts from pre-facelift cars may not be compatible with post-facelift cars due to potential changes to the SRS system at the facelift point, so you should confirm compatibility against your registration with the breaker before ordering. Never assume a part fits solely based on year range.

Will a curtain airbag from a first-generation BMW 4 Series fit a second-generation car?

The second-generation BMW 4 Series (G22/G23/G26) launched in 2020 and is a completely different platform from the first-generation F32/F33/F36, so curtain airbags from these two generations are not interchangeable. Always give the breaker your full registration to ensure they pull the correct part for your car.

Does the trim level affect which curtain airbag I need — for example, does it matter if my car is SE, Sport, M Sport or M Sport X?

Curtain airbags on the BMW 4 Series are not typically differentiated by trim level such as SE, Sport, or M Sport — the key factors are the generation and the side of the car the airbag is fitted to (nearside or offside). You may find minor cosmetic differences in how the headlining trim clips into place depending on trim level, but the airbag unit itself should match by generation and side. Confirm the exact part number with the breaker against your registration to be sure.

Does the door count matter — will a curtain airbag from a 4 Series Coupe fit a Gran Coupe or Convertible?

The BMW 4 Series was offered in Coupe (2-door), Convertible, and Gran Coupe (4-door) body styles, and curtain airbag fitment can vary between these body styles due to differences in the roofline and door aperture structure. It is worth specifying your body style clearly to the breaker, as a unit from a different body style may not fit or deploy correctly in your car. Always confirm against your registration before purchasing.

Is it safe to fit a second-hand curtain airbag myself?

Curtain airbags are safety-critical components and should always be fitted by a qualified professional — incorrect installation can result in the airbag failing to deploy in a collision or deploying unexpectedly, which is extremely dangerous. Used airbags must not have been deployed, as airbags are single-use items; always ask the breaker to confirm the unit has never been triggered. Professional fitting and a system diagnostic check after installation are strongly recommended.

What details do I need to give the breaker when asking for a BMW 4 Series curtain airbag?

Give the breaker your full vehicle registration number, confirm your body style (Coupe, Gran Coupe, or Convertible), and specify whether you need the nearside (left, passenger side) or offside (right, driver side) airbag. Airbag module compatibility with your car's specific SRS system can vary and is something the breaker will need to confirm against your registration, so do not rely on part numbers alone.