Bilstein B3 36-313242 Rear Coil Spring for BMW 3 Series E91 Touring/Estate/Wagon & E93 Convertible/Cabrio (E9x) - OE/OEM Spec Standard Height Rear Axle Suspension Spring, Direct Fit Replacement, xDrive AWD Compatible

Bilstein B3 Part No. 36-313242 Rear Spring for BMW 3 Series E91 Estate and E93 Convertible

Restore the confident BMW feel with this premium Bilstein B3 rear helical spring, part number 36-313242. Designed to match original specification for E91 Touring and E93 Cabriolet models, this back axle spring brings your ride height, comfort and stability back to how Munich intended. Perfect when a back spring has snapped, sagged or gone soft, this stock-height replacement delivers precise handling without harshness and avoids the pitfalls of cheap pattern parts.

Customers love the improvement. We have fitted numerous sets and feedback is consistently positive: balanced stance, smooth ride, and planted rear-end grip. If you want the correct BMW driving character with long-term durability, choose Bilstein B3.

Key benefits

• Factory-spec geometry for a true like-for-like replacement on the rear end
• Brings back correct ride height and consistent cornering balance
• Manufactured from high-grade spring steel for strength and break resistance
• Hot set after forming to minimise height loss over time
• Surface compressed and coated for excellent corrosion protection
• Engineered spring shapes as used in series production, including pigtail and minibloc designs
• Bilstein OE-level quality for everyday reliability and enthusiast confidence

Vehicle compatibility

Position: Rear axle

• BMW 3 Series E91 Touring Estate, 12.04 to 12.12
  • 335i, 335i xDrive, 320d xDrive, 325d, 330d, 330d xDrive, 335d
• BMW 3 Series E93 Convertible, 05.06 to 12.13
  • 325i, 330i, 335i, 325d, 330d

Suitable for models listed above, including AWD xDrive variants. Replace springs in axle pairs for best results.

Why this is the smart choice

• Ideal fix for broken or cracked rear spring
• Corrects drooping rear ride height and uneven stance
• Restores quiet, compliant suspension performance
• Direct bolt-on replacement that fits like original

Compatibility check before dispatch

We can verify fitment for your specific car. Add your UK registration or the last 7 of your VIN at checkout and we will confirm that 36-313242 is the right rear spring for your chassis.

Professional installation

Want it fitted properly. Book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Part numbers and identifiers

• Part number: 36-313242
• Alt ref: BILSTEIN-36-313242
• Range: Bilstein B3
• Brand: Bilstein
• EAN: 4025258864545
• UPC: 651860871738

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Choose Bilstein B3 36-313242 for a dependable, OE-level solution that keeps your BMW driving exactly as it should.