Bilstein B3 Front Coil Spring 37-161279 - OE Replacement for BMW 1 Series E81 E87 E88 & 3 Series E90 E91 E92 E93 (Front Axle) - Fits 123d, 330d, 335d, 335i

Bilstein B3 Front Strut Spring for BMW E8x and E9x platforms — Part No. 37-161279

Refresh the front end of your BMW with this Bilstein B3 front suspension spring, part number 37-161279. It is a direct-fit, standard height, front axle replacement that restores the precise steering feel, stability and comfort BMWs are known for. Ideal for fixing a snapped or tired spring on 1 Series E81 E87 E88 and 3 Series E90 E91 E92 E93, covering popular engines such as 123d, 330d, 335d and 335i.

We run Bilstein B3 on our own cars and our customers consistently report superb fitment, quiet operation and factory-crisp handling right after installation. If you want OEM behaviour without lowering and without compromise, this is the spring to choose.

Key benefits

• Direct replacement front road spring engineered to original specification for BMW E8x and E9x
• Returns stock ride height, comfort and balance with no guesswork
• High grade chrome vanadium or chrome silicon steel for excellent break resistance
• Hot set after forming to minimise height loss over time
• Surface compression and protective coating for long service life in UK conditions
• OE-style geometry including pigtail and minibloc designs where required for correct seating
• Precisely tuned to work with standard dampers and BMW chassis settings

Position: Front axle

Fitment coverage

Suits a wide range of BMW 1 Series and 3 Series models. If you are unsure, we will confirm by UK reg or VIN before dispatch.

• BMW 1 Series E81 3-door, E87 5-door, E88 Convertible
  • Petrol: 120i, 125i, 128i, 130i
  • Diesel: 120d, 123d
• BMW 3 Series E90 Saloon, E91 Touring, E92 Coupé, E93 Convertible
  • Petrol: 323i, 325i, 328i, 330i, 335i
  • Diesel: 316d, 318d, 320d, 325d, 330d, 335d

Note: this listing is for one front spring only. For best results many technicians replace springs in axle pairs to maintain even stance and handling.

Why this spring is the right choice

• Perfect for MOT failures due to broken coils or uneven ride height
• Stock feel with OEM-level refinement and durability
• Direct-fit solution for BMW front strut assemblies on E81 E87 E88 E90 E91 E92 E93
• Trusted on our builds and by our workshop customers

Search-friendly phrases customers use

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Compatibility check

We will verify compatibility before shipping. Add your UK registration or the last 7 digits of your VIN at checkout and our team will confirm the correct application for your vehicle.

Professional fitting

Need it installed properly first time? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

Part numbers and identifiers

• Part number: 37-161279
• Manufacturer: Bilstein
• EAN: 4025258628772
• UPC: 651860628776

Helpful buying tips

• Replacing a tired or broken spring restores correct geometry, improves braking stability and cures knocks from the front corner
• Consider new top mounts and isolators while the strut is apart for best long term results

Choose the Bilstein B3 front spring 37-161279 for a no-compromise, OE-spec solution on BMW E81 E87 E88 and E90 E91 E92 E93. Reliable, quiet and built to last.