Bilstein B3 Rear Coil Spring 36-251230 - OE Replacement for BMW 1 Series F20/F21 & 4 Series F32/F82 (Rear Axle, Direct Fit; 116i 118i 120d 420i 420d 430d 435i)

Bilstein 36-251230 BMW F20 F21 F32 F82 B3 OE Replacement Rear Coil Spring

Restore factory ride quality, handling and comfort with the Bilstein B3 OE Replacement Rear Coil Spring for BMW F20, F21, F32 and F82 models. This rear axle suspension spring is a direct-fit OE-spec replacement designed to match original BMW spring rate and ride height while delivering the renowned durability and precision engineering of Bilstein. Ideal for replacing a broken rear spring, refreshing tired suspension or passing an MOT, the Bilstein B3 rear coil spring keeps your BMW driving as it should.

Part Number: BILSTEIN-36-251230

Why choose the Bilstein B3 Rear Coil Spring for BMW F20 F21 F32 F82

• OE quality direct replacement rear coil spring for BMW F20, BMW F21, BMW F32 and BMW F82
• Matches original ride height and comfort with precise Bilstein spring rate control
• Innovative designs including pigtail ends, minibloc shapes and central force design for optimal fit and function
• Manufactured from high quality chrome vanadium or chrome silicon steel for exceptional break resistance
• Hot set after forming to effectively prevent height loss over time
• Surface compressed and coated for outstanding corrosion protection and long service life
• Uncompromising OE specification spring design identical to series production
• Comprehensive coverage for popular BMW 1 Series and 4 Series applications

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Fitting Position

Rear Axle

Compatibility

Designed for the following BMW applications:

• BMW 1 Series
  • 1 Series F20 07.11 to 06.19
    • 114i, 116i, 118i, 125i, 114d, 116d, 118d, 120d
  • 1 Series F21 12.11 onwards
    • 116i, 118i, 114d, 116d, 120d
• BMW 4 Series
  • 4 Series Coupe F32, F82 07.13 onwards
    • 420i, 435i, 420d, 430d

Real world results from Nforcd

We have fitted Bilstein B3 rear coil springs to multiple customer BMWs and the feedback has been consistently excellent. Customers report a noticeable return to smooth factory comfort, reduced noises from the rear suspension and confident handling. If you want OEM ride and durability from a trusted brand, this Bilstein B3 rear spring is a perfect choice.

Installation and expert fitting

Professional installation recommended. We suggest replacing coil springs in axle pairs for best balance and safety. For fitting, choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Compatibility check before dispatch

To ensure correct fitment, we run a compatibility check prior to dispatch using your UK registration or the last 7 digits of your VIN. Enter your car details at checkout and we will confirm the part suits your vehicle.

Manufacturer and identifiers

Manufactured by: Bilstein

Part Number: BILSTEIN-36-251230

EAN: 4025258763404

UPC: 651860766706

Perfect for BMW owners seeking

• OEM quality rear coil spring replacement for BMW F20 F21 F32 F82
• Direct fit rear suspension spring to restore stock ride height
• Bilstein durability for daily driving and long service life
• A reliable fix for a broken or sagging rear spring on BMW 1 Series and 4 Series