Bilstein 38-129292 B3 Rear Coil Spring for BMW 3 Series E30 1982-1993 - OE Replacement Rear Axle - Saloon & Convertible

Bilstein B3 Rear Suspension Spring | BMW 3 Series E30 | Part No. 38-129292

Give your classic E30 the ride height and composure it deserves. This Bilstein B3 rear helical spring, part number 38-129292, is built to original equipment quality for the back axle of BMW 3 Series E30 saloon and cabriolet models from 1982 to 1993. Expect stock-like comfort, precise handling and long service life from a brand trusted by enthusiasts and professionals alike.

At MJ Modifications we rate the Bilstein B3 highly. We have fitted these on our own projects and customer cars with excellent feedback on fitment, feel and durability. If your E30 sits low at the back, feels loose over bumps or has a broken spring, this factory-spec solution restores the stance and stability without altering the character of the car.

Key benefits

• Factory-spec rear spring for the BMW E30 back axle, maintaining standard ride height and balance
• Engineered from premium chrome-vanadium or chrome-silicon steel for strength and crack resistance
• Hot-set after forming to minimise height loss over time
• Surface compressed and coated for superior corrosion protection
• Precise end shapes for correct seating and quiet operation
• Designed to match original damping and geometry for predictable handling

What it fixes

• Corrects sagging rear end and uneven stance
• Restores comfort, grip and stability under load
• Replaces cracked or tired stock springs with OEM-quality parts

Compatibility

BMW 3 Series E30 rear axle fitment:

• Saloon 09.82 - 03.92
  • 315, 316, 318 i, 318 is, 320 i, 323 i, 325 i, 325 e 2.7, 324 d, 324 td
• Convertible 09.82 - 11.93
  • 316 i Baur TC, 318 i, 320 i, 325 i

Tip: For best results, replace rear springs in pairs to maintain even ride height and consistent handling.

Part numbers and identifiers

• Bilstein part number: 38-129292
• Range: Bilstein B3
• EAN: 4025258566197
• UPC: 651860566191

Professional fitting and checks

Want it installed correctly first time? Book expert fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Not sure it suits your car? Send us your UK registration or the last 7 digits of your VIN and we will verify compatibility before dispatch.

Why choose Bilstein B3 for your E30

• Original equipment grade materials and processes for long-term reliability
• Stock-feel comfort with sharp, confidence-inspiring control
• Perfect for OEM-plus refresh, preservation, daily use and MOT prep

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Choose Bilstein B3 part 38-129292 for a simple, dependable way to bring your BMW E30 back to its best.