Bilstein B12 Pro-Kit Suspension Kit BMW 3 Series E46 1998-2006 (Saloon/Touring/Coupe) - B8 Shocks & Eibach Pro-Kit Lowering Springs - Sport Handling Upgrade Coilover Alternative - Fits 320i 325i 328i 330i 318d 320d - 46-180018 / BILSTEIN-46-180018

BMW E46 3 Series Handling Upgrade - Part No. BILSTEIN-46-180018

Transform the way your E46 drives with this proven performance shocks and springs package from Bilstein and Eibach. Part number BILSTEIN-46-180018, also referenced as 46-180018, combines shortened-body Bilstein B8 sport dampers with Eibach Pro-Kit progressive-rate springs for crisp turn-in, reduced body movement and a purposeful ride height drop that works brilliantly on British roads.

We supply and fit this setup regularly for BMW 3 Series E46 owners and feedback is consistently excellent. Expect a more planted feel, greater confidence on B-roads and motorways, and a smart stance without the harshness of budget coilover kits. It is a set-and-forget road-focused solution that delivers daily comfort with real-world performance gains.

Why this package is a standout choice

• Matched spring and damper kit tuned for the E46 chassis for balanced control and comfort
• Approximate lowering of 10 mm to 30 mm depending on model for a cleaner, sportier look
• Gas-pressure monotube technology for consistent damping and fade resistance
• Precise steering response, excellent stability and high safety reserves
• Progressive-rate springs that absorb bumps yet resist roll in fast corners
• TÜV approved and engineered in Germany for long-term reliability

What is included

• 4 x Bilstein B8 performance shock absorbers, front and rear
• 4 x Eibach Pro-Kit performance springs, front and rear

Real feedback from the road

We have installed this kit on numerous E46 cars across petrol and diesel variants. Owners report flatter cornering, improved composure over uneven surfaces and a refined ride quality. It is the sweet spot for spirited road use and commuting alike, and a popular alternative to a full coilover conversion for those who want OEM-like comfort with sharper dynamics.

Vehicle coverage - BMW 3 Series E46

• Saloon E46 12.97 to 05.05
  • 320i, 323i, 325i, 328i, 330i, 318d, 320d
• Touring E46 06.99 to 05.05
  • 320i, 323i, 325i, 328i, 330i, 318d, 320d
• Coupe E46 12.98 to 07.06
  • 320Ci, 323Ci, 323i, 325i, 325Ci, 328Ci, 330Ci, 320Cd

Technical highlights

• Damper type: Gas-pressure, performance-tuned monotube on select applications
• Spring type: Eibach Pro-Kit progressive-rate
• Estimated drop: approximately 10 mm to 30 mm depending on vehicle specification
• Direct-fit replacement for BMW E46 3 Series models listed above

Part numbers and identifiers

• Main reference: BILSTEIN-46-180018
• Alternative reference: 46-180018
• EAN: 4025258673420
• UPC: 651860671826

Professional fitting and geometry

For installation and alignment, we recommend booking with MJ Modifications in Warwickshire. Request a fitting quote via info@mjmodifications.co.uk. A post-install geometry check is strongly advised to maximise handling and tyre wear.

Fitment check before dispatch

We verify compatibility before shipping. Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm suitability.

Popular search phrases our customers use

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Why buy from us

• Tried-and-tested on customer cars with outstanding feedback
• Expert advice from E46 enthusiasts who understand real-world road use
• Fast UK dispatch with pre-check fitment verification

Ready to improve grip, feedback and stance on your BMW E46 3 Series? Choose the Bilstein B8 and Eibach Pro-Kit combination, part number BILSTEIN-46-180018, for a road-proven transformation.