Used BMW i3 Rear Cross Member

The BMW i3 was produced as a single generation running from 2013 to 2022, built on BMW's dedicated LifeDrive platform, with a facelift arriving in 2017 that brought exterior and interior updates but retained the same fundamental architecture. For the rear cross member specifically, the shared platform across the full 2013–2022 run is encouraging, but whether parts interchange freely across the 2017 facelift boundary is something you should confirm with the breaker against your registration before ordering. Always give the breaker your exact reg so they can verify the correct part.

Your 2015 car is pre-facelift (2013–2017) and your 2019 car is post-facelift (2017–2022), meaning these sit either side of the 2017 facelift boundary. The underlying LifeDrive platform did not change, which is a positive sign, but whether any pressing or mounting-point changes were introduced at the facelift is something you must confirm with the breaker against both registrations before buying. Do not assume fitment across that boundary without the breaker checking the actual parts.

No — engine and drivetrain configuration, including whether the car has the optional Range Extender petrol unit, does not affect the fitment of a rear cross member. The rear cross member is a structural body component determined by the platform and body style, not by what sits under the floor. Source a part matching your car's year and body style and you can disregard REX versus non-REX entirely.

Trim and specification levels such as the i3s do not affect the fitment of a rear cross member as a structural rule, since this is a body-platform component rather than a trim-driven one. However, the i3s did receive a wider body kit and revised suspension setup, so it is worth mentioning to the breaker which variant the donor car came from so they can flag any dimensional differences at the rear. Confirm against your registration with the breaker before purchasing.

The i3 was sold solely as a five-door hatchback throughout its 2013–2022 production run, so there are no saloon or estate variants to confuse matters when sourcing a rear cross member. This makes body-style matching straightforward — any i3 donor car of the right generation should share the same basic rear structure. Year and facelift boundary remain the key questions to put to your breaker.

Give the breaker your full registration number so they can look up the exact build date and specification, and tell them whether you know your car is pre-facelift (2013–2017) or post-facelift (2017–2022). It is also worth mentioning whether the donor car in their yard is an i3s, as that variant had a wider rear end which may affect compatibility. The more detail you provide upfront, the better placed the breaker is to confirm fitment before you commit to buying.