Second Hand BMW i4 Subframe
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A buyer's guide to used BMW i4 subframe
No two subframes 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:
- State whether it's front or rear
- State if it's 2WD or 4WD
Other used BMW i4 parts
Used subframe for other BMW models
Fitment questions
What years does the BMW i4 subframe fit across?
The BMW i4 launched in 2021 and is currently a single generation with no facelift boundary yet established, so subframes from 2021 onwards are broadly from the same generation. That said, always confirm the exact part against your registration with the breaker, as running gear components can vary within a production run.
Will a subframe from a 2022 BMW i4 fit my 2024 model?
Both sit within the same first-generation i4 run, so there is a reasonable chance of compatibility, but mid-generation engineering changes to the running gear cannot be ruled out. Confirm the specific part number against your registration with the breaker before purchasing.
Does the subframe differ between the BMW i4 eDrive40 and the M50?
The i4 M50 is a higher-output, dual-motor variant and is likely to use a different or uprated subframe compared to the rear-wheel-drive eDrive40, given that heavier powertrains and higher performance often demand different underbody geometry and mounting points. Always tell the breaker your exact variant and registration so they can match the correct subframe.
Does the trim level affect which subframe I need - for example, does M Sport matter?
M Sport is a trim package that primarily affects cosmetics, interior specification, and sometimes suspension tuning, but the subframe itself is determined by the drivetrain variant rather than the trim name. A standard M Sport i4 eDrive40 will use the same subframe as a non-M Sport eDrive40; however, confirm with the breaker against your registration in case sport suspension variants involve any mounting differences.
Can I use a BMW i4 subframe from a petrol BMW 4 Series on my i4?
The i4 shares its body with the G26 4 Series Gran Coupe but is engineered specifically for electric drivetrains, meaning the subframe mounts and geometry are unlikely to be a straightforward swap with a combustion-engined 4 Series. Do not assume cross-compatibility; check directly with the breaker quoting both registrations to confirm.
Is the front or rear subframe the same across the i4 range?
The i4 uses both front and rear subframes, and the rear subframe in particular is closely tied to the motor and drivetrain configuration, so a rear subframe from an eDrive40 and an M50 may well differ. Always specify front or rear, your exact drivetrain variant, and your registration when getting a quote from the breaker.