Bilstein 37-251451 B3 OE Replacement Front Coil Spring for BMW 1 Series F20 F21 114i 116i 118i - Front Axle

Bilstein B3 Front Suspension Spring | BMW 1 Series F20 F21 114i 116i 118i | Part No. 37-251451

Restore the factory feel of your BMW with a premium front road spring that brings back stock ride height, confident steering and composed handling. The Bilstein B3 front suspension coil is an OE-grade direct replacement that fits perfectly on the front end of BMW 1 Series F20 and F21 petrol models 114i, 116i and 118i. Built to original specification for durability and precision, this is the dependable fix for a broken or tired front spring.

At MJ Modifications we have installed these on customer cars and in our own builds. Feedback is consistently positive for ride comfort, stability and long term reliability. If your car has failed an MOT for a snapped spring, is sitting unevenly or feels unsettled over bumps, this is the quality front strut spring you want.

Why this OE-grade spring is the right choice

• Direct fit for the front end of BMW 1 Series F20 F21 114i 116i 118i petrol variants
• Returns your car to stock height with genuine-spec ride quality and precise road manners
• Manufactured from high strength chrome vanadium or chrome silicon spring steel
• Hot set after forming to minimise settling and prevent height loss over time
• Surface compressed and coated for excellent corrosion resistance and long service life
• Matches original design details including pigtail ends, minibloc forms and central force layout
• Trusted OE supplier quality for perfect alignment with factory geometry

Ideal for

• Replacing a cracked or fractured front coil
• Fixing uneven ride height or sagging
• Restoring comfort and control on daily driven and enthusiast cars
• MOT failure rectification with a like-for-like quality part

Fitting position

Front axle

Vehicle compatibility

• BMW 1 Series F20 3-door and 5-door 07.11 to 06.19
  • 114i
  • 116i
  • 118i
• BMW 1 Series F21 3-door 12.11 onward
  • 116i
  • 118i

Build and materials

• High quality spring steel for excellent break resistance
• Hot setting process for stable height retention
• Surface compression and protective coating for enhanced durability
• OE-pattern geometry for quiet operation and correct seating on the strut and spring pad

Compatibility check before dispatch

We verify fitment prior to shipping. Add your UK registration number or the last 7 of your VIN at checkout so we can confirm suitability for your specific 1 Series chassis.

Professional installation

Based in Warwickshire, MJ Modifications can supply and fit this front suspension spring with care and precision. Request a fitting quote at info@mjmodifications.co.uk. For best results and balanced handling, we recommend replacing springs in axle pairs.

Part numbers and identifiers

Part number: 37-251451

Alternate ID: BILSTEIN-37-251451

EAN: 4025258769949

UPC: 651860773759

What our customers say

MJ Modifications customers report smoother ride quality, tighter steering response and a factory-fresh stance after fitting this Bilstein B3 spring. It is a no-compromise OE-standard replacement that brings your BMW back to how it should feel.

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