BMW X4 Brake Discs Replacement Parts

No – the F26 (2014–2018) and the G02 (2018-onwards) are completely different generations built on different platforms, so their brake discs are not interchangeable. The hub sizes, bolt patterns, and disc diameters all changed between generations. Always tell the breaker which generation you have so they can match the correct part to your registration.

Both years fall within the F26 generation (2014–2018), so there is a strong chance they share the same discs, but fitment also depends on engine size since larger-engined variants such as the xDrive35i often carry bigger brakes than smaller-engined models like the xDrive20d. Give the breaker your exact registration and engine code to confirm the correct disc diameter and specification.

The BMW X4 is fitted with brake discs on all four corners across all variants and both generations (F26 2014–2018 and G02 2018-onwards), so you are looking for the right part. Disc size and specification can vary with engine output, so quoting your registration to the breaker ensures you get the correctly sized set.

Trim level alone does not affect brake disc fitment on the X4 – M Sport and xLine use the same underlying running gear for a given engine and generation. What matters is the generation (F26 or G02) and engine size, not whether the car has M Sport bumpers or xLine exterior styling. Do note, however, that M Performance variants or any factory brake upgrade options are worth confirming with the breaker against your registration, as these can carry uprated disc sizes.

The xDrive35i is a larger, more powerful engine variant and typically runs bigger front brake discs than the xDrive20d, so these are unlikely to be a direct swap. Mixing disc sizes is also a safety issue, so it is important to match the discs to the original specification of your vehicle. Confirm the exact disc diameter and part number with the breaker using your registration before purchasing.

The G02 X4 did receive updates during its production run, and whether any changes were made to brake specifications as part of those updates is something you should confirm with the breaker against your specific registration rather than assume. Quoting your registration number allows the breaker to check the exact specification your car left the factory with and match the discs accordingly. Never rely on the model year alone when sourcing safety-critical parts like brake discs.