Bilstein B12 Pro-Kit Suspension Kit for BMW Z3 Roadster E36 (1995-2003) - B8 Shocks & Eibach Pro-Kit Springs - 10-30mm Lowering - 46-189509

BMW Z3 Roadster E36 Sports Suspension Package - Bilstein B12 Pro-Kit - Part No. 46-189509

Give your Z3 the fast-road composure it deserves. The Bilstein B12 Pro-Kit pairs B8 performance dampers with Eibach progressive coils to deliver sharp turn-in, flatter cornering and a purposeful ride height drop of around 10 to 30 mm, all while keeping real-world comfort intact. It is a direct bolt-on upgrade that lifts driving confidence on B-roads and motorways without the harshness of cheap coilovers.

We run this package on customer cars and the feedback is consistently glowing. Expect a planted feel, predictable grip and a stance that looks right without rubbing or compromise. If you want an uprated spring and damper setup that works brilliantly day to day, this is it.

Why this kit stands out

• Matched components for balance and control - Bilstein B8 short-stroke dampers with Eibach progressive-rate springs.
• Ride height reduction approximately 10 to 30 mm for a lower centre of gravity and improved aesthetics.
• Monotube gas-pressure technology for consistent damping and fade resistance during spirited use.
• Precise steering feel, reduced body movement and excellent high-speed stability.
• Daily-drivable comfort thanks to progressive coils that soak up small bumps yet support hard cornering.
• Engineered in Germany with OE-level fit, finish and TUV-approved quality.

Vehicle compatibility

Designed for the BMW Z3 Roadster on the E36 platform:

• Model years: 10.95 - 01.03
• Engines: 2.0 i, 2.2 i, 2.5, 2.5 i, 2.8 i, 3.0 i, 3.2 i

What is included

• Front and rear Bilstein B8 performance shock absorbers.
• Front and rear Eibach Pro-Kit progressive lowering springs.
• Manufacturer documentation.

Real-world results

Customers report tighter body control, smoother weight transfer and much better confidence on uneven UK roads. The kit feels composed in everyday use and comes alive on twisty routes, offering a more refined alternative to budget coilover setups.

Technical details

• Damping type: Gas-pressure monotube.
• Architecture: Monotube, with upside-down design on select applications.
• Lowering range: Approximately 10 mm to 30 mm depending on vehicle specification.
• Certification: TUV approved.

Part numbers and identifiers

• Part number: 46-189509
• EAN: 4025258677930
• UPC: 651860676333

Fitting and support

Professional installation is recommended. MJ Modifications in Warwickshire offers expert fitting and geometry setup for this package. Request a quote: info@mjmodifications.co.uk.

Compatibility check before dispatch

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

Search terms to help you find this kit

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Why buy from us

Proven on UK roads, trusted by our customers and installed by our own workshop, this Bilstein and Eibach pairing transforms the Z3 with confidence-inspiring control and everyday comfort. Order with confidence and enjoy a genuine step up in chassis performance.