Bilstein B3 OE Replacement Rear Coil Spring for BMW 1 Series F20 F21 - Part Number 36-251223
Restore your BMW 1 Series ride quality, handling and comfort with the Bilstein B3 OE replacement rear coil spring. Designed to match original equipment specification, this rear suspension spring is the perfect direct-fit solution for worn, broken or sagging springs on BMW F20 and F21 models. If you are searching for BMW 1 Series rear coil spring, BMW F20 rear spring, BMW F21 rear suspension spring, Bilstein B3 rear coil spring or OEM replacement rear spring, this is the high quality part you want.
Why choose this Bilstein rear spring
- OE-quality fit and performance for BMW F20 and F21 1 Series rear axle
- Engineered by Bilstein for precise spring rate and consistent ride height
- High strength chrome vanadium or chrome silicon steel for exceptional break resistance
- Hot set after forming to effectively prevent height loss over time
- Pigtail ends and minibloc shapes for quiet operation and precise seating
- Careful surface compression and protective coating for long service life
- Direct replacement coil spring that works with factory suspension geometry
We have fitted Bilstein B3 rear coil springs on customer BMW F20 and F21 cars and feedback has been excellent. Expect refined OE ride comfort with confident handling and stability. Ideal for daily driving, MOT fixes and returning your 1 Series to factory-fresh feel without lowering.
Fitment and compatibility
Fitting position: Rear axle
Compatible with BMW 1 Series F20 and F21, including but not limited to:
- BMW 1 Series F20 2011 to 2019: 116i, 118i, 120i, 125i, 116d
- BMW 1 Series F21 2011 onward: 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 118d xDrive, 120d, 120d xDrive, 125d
Also searched as: BMW F20 rear coil spring, BMW F21 rear coil spring, BMW 1 Series rear spring, BMW 1 Series rear suspension spring, Bilstein 36-251223, BILSTEIN-36-251223, Bilstein B3 OE replacement spring, BMW 120d xDrive rear spring, BMW 125i rear spring, BMW 125d rear spring.
Part numbers and identifiers
- Part number: BILSTEIN-36-251223
- Manufacturer: Bilstein
- EAN: 4025258763398
- UPC: 651860766690
Professional fitting available
Want it fitted by specialists We can help. Nforcd offers professional installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check
To ensure the part fits your vehicle, we run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm fitment for your BMW F20 or F21.
Helpful notes
- Rear coil springs are recommended to be replaced in pairs for balanced ride height and handling.
- Designed as an OE-equivalent replacement for standard suspension specification.