Bilstein B12 Pro-Kit 46-180681 Suspension Lowering Kit for BMW 3 Series E93 Convertible/Cabrio (2006-2013) 325d 330d Diesel – B8 Dampers + Eibach Pro-Kit Springs – Shocks/Struts & Springs Set, 10-30mm Drop, Fast Road Sport Handling – Coilover Alternative

Bilstein B12 Pro-Kit 46-180681 for BMW E93 3 Series Convertible 325d and 330d

Give your BMW cabrio the fast-road chassis it deserves. The Bilstein B12 Pro-Kit pairs Bilstein B8 short-stroke dampers with Eibach Pro-Kit progressive springs for a balanced, confident drive and a purposeful ride height drop. Ideal for BMW 3 Series Convertible E93 diesel models 325d and 330d, this pre-matched spring and shock absorber package sharpens response, calms body movement and keeps everyday comfort intact.

Why this package works

• Matched spring and damper combo engineered for the E93 platform
• Approximate ride height reduction of 10 mm to 30 mm depending on vehicle specification
• Bilstein B8 monotube gas-pressure technology for crisp control and stability
• Eibach Pro-Kit progressive rates for secure cornering with compliant ride quality
• Improved steering feel, reduced body roll and greater high-speed confidence
• German engineering with TÜV approval for peace of mind
• Ready-to-install bolt-on kit with components designed to work together

What is included

• 4 x Bilstein B8 performance dampers
• 4 x Eibach Pro-Kit springs
• Vehicle-specific pairing for the BMW E93 diesel cabrio chassis

Real-world results

We have installed this setup on customer E9X builds and the feedback is consistently positive. Sharper turn-in, flatter cornering and an OEM-plus feel on British roads. If you want a refined handling upgrade that looks right and drives even better, this kit delivers.

Fitment

Compatible with BMW 3 Series Convertible E93, model years 2006 to 2013, for diesel variants 325d and 330d. Typical lowering range is approximately 10 mm to 30 mm, dependent on specification and options.

Compatibility check

We can validate suitability before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm that Bilstein B12 Pro-Kit 46-180681 is correct for your vehicle.

Professional fitting and alignment

For expert installation and setup, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk to request a fitting quote. A proper geometry check after installation is recommended for best results.

Technical highlights

• Damper type: Bilstein B8 monotube gas-pressure, short-stroke
• Spring type: Eibach Pro-Kit progressive-rate
• Certification: TÜV approved
• Design intent: Fast-road handling with daily usability

Part numbers and identifiers

• Primary part number: 46-180681
• Also referenced as: BILSTEIN-46-180681
• EAN: 4025258674083
• UPC: 651860672489
• Brand: Bilstein with Eibach Pro-Kit springs

Search-friendly terms customers use

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Upgrade your BMW E93 325d or 330d with this proven Bilstein and Eibach combination for tighter control, better composure and a cleaner stance without sacrificing day-to-day comfort.