Cheap BMW X4 Brake Servo
Need a used BMW X4 brake servo? Request a free quote from UK vehicle dismantlers and compare offers direct.
Enter your registration or select your vehicle
Find the right part faster and get quotes direct from UK breakers - free, and no obligation.
What to check when buying a used BMW X4 brake servo
A used brake servo that fits one vehicle won't always fit another - even within the same model range. These questions help breakers match stock to your exact vehicle before they quote:
- State whether it's petrol or diesel
Other used BMW X4 parts
Used brake servo for other BMW models
Fitment questions
Do BMW X4 models have a brake servo, or do they use a different braking system?
The BMW X4 uses an electro-hydraulic or electrohydraulic brake booster system rather than a traditional vacuum brake servo, particularly from the second generation (G02, 2018 onwards) which uses an iBooster unit as part of its brake-by-wire setup; even the first generation (F26, 2014–2018) moved away from a conventional vacuum servo on many variants. If you are searching for a brake servo, you may actually be looking for the brake booster, iBooster unit, or brake master cylinder assembly — confirm with a breaker exactly which component you need against your registration before ordering.
Will a brake booster from a first-gen F26 X4 (2014–2018) fit a second-gen G02 X4 (2018 onwards)?
No — the F26 and G02 are entirely different generations built on different platforms, and their braking system components are not interchangeable. The G02 uses a more sophisticated electrohydraulic booster arrangement compared to the F26, so the assemblies are mechanically and electrically incompatible. Always quote your registration to a breaker so they can confirm the exact part from the correct generation.
Does engine size affect which brake booster unit I need for my BMW X4?
Yes, engine size and power output can influence the brake system specification on the X4, as higher-powered variants may carry a different brake booster or master cylinder setup to suit their larger brakes. When contacting a breaker, give them your full registration or VIN rather than just the model year, so they can verify the correct unit for your specific engine variant.
Does the X4 trim level — for example xLine, M Sport, or M40i — affect which brake booster fits?
Trim level alone does not determine brake booster fitment on the X4 — what matters is the generation (F26 or G02) and the engine/drivetrain specification rather than whether the car is badged xLine or M Sport. That said, the higher-performance M40i and M Competition variants may carry uprated brake hardware, so confirm against your registration with the breaker to be sure the unit matches your exact build.
I have a 2018 BMW X4 — is it the old F26 shape or the new G02, and does it matter for the brake booster?
The G02 X4 was introduced in 2018 as a completely new generation, replacing the F26 which ran from 2014 to 2018, so a 2018 car could in principle be either generation depending on when in the year it was registered. It matters significantly for the brake booster because the two generations use different systems, so check your V5C or ask a breaker to look up your registration to confirm which platform your car is built on before sourcing a part.
What should I tell a breaker when asking for a used BMW X4 brake booster?
Give the breaker your full registration number or VIN, your engine code, and confirm whether your car is an F26 (2014–2018) or G02 (2018 onwards), as these details determine which unit is correct and the two are not interchangeable. Mentioning your engine size and whether the car is a standard xDrive model or a higher-output variant like an M40i will also help the breaker identify the right part from their stock.