Bilstein B12 Pro-Kit 46-189493 for BMW Z3 E36 1.8i and 1.9i
Transform the way your BMW Z3 E36 drives with the Bilstein B12 Pro-Kit suspension upgrade. This proven package combines Bilstein B8 high-performance dampers with Eibach Pro-Kit lowering springs to deliver sharper handling, reduced body roll and a purposeful ride height drop. If you are searching for a BMW E36 suspension upgrade, BMW Z3 lowering kit or a Bilstein B12 Pro Kit for 1.8i and 1.9i engines, this is the go-to fast-road setup that looks right and drives even better.
We have fitted the B12 on customer Z3s and the feedback has been consistently excellent. Ride quality remains daily-friendly while cornering stability, steering precision and confidence on B-roads are noticeably improved. It is a genuine bolt-on upgrade with OEM-level fit and finish, backed by Bilstein’s German engineering.
Key benefits
- Lowering typically in the 10 mm to 30 mm range depending on vehicle specification
- Matched Bilstein B8 dampers and Eibach Pro-Kit springs for balanced, predictable handling
- Sharper turn-in, reduced body roll and a more planted, stable feel at speed
- Sporty stance without sacrificing everyday comfort
- Bilstein gas pressure technology for consistent performance
- Monotube design for superior damping control and heat management
- TUV approved and engineered in Germany
What is included
- 4 x Bilstein B8 high-performance shock absorbers
- 4 x Eibach Pro-Kit performance springs with progressive characteristics
- A complete, matched spring and damper kit for front and rear
Fitment and compatibility
Designed for the BMW Z3 Roadster E36 platform, specifically:
- BMW Z3 Roadster E36 1.8i
- BMW Z3 Roadster E36 1.9i
- Production years approximately 10/1995 to 01/2003
Often searched as Bilstein 46-189493 BMW E36 B12 Pro Kit coilover or coilover alternative for BMW Z3. Please note the B12 is a fixed-height matched spring and damper kit, not a height-adjustable coilover.
Technical notes
- Shock absorber type: Gas pressure monotube
- Fine-tuned spring and damper pairing for optimal fast-road dynamics
- Upside-down monotube technology on select applications within the B12 range
- Extensive application testing and TUV certification
Compatibility check
We will verify fitment before dispatch. Add your registration number if UK based or the last 7 digits of your VIN at checkout to ensure you receive the correct kit for your BMW.
Professional fitting
For expert installation, book with Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com and our team will get you set up with geometry tailored to fast road use.
Part numbers and identifiers
- Part number: BILSTEIN-46-189493
- EAN: 4025258677923
- UPC: 651860676326
Why choose the Bilstein B12 for your BMW Z3 E36
If you are looking for the best BMW Z3 suspension upgrade for road use, the Bilstein B12 Pro-Kit stands out for quality, reliability and real-world performance. It is the ideal choice if you want the look and handling of a performance setup without the compromise of harsh ride quality. Customers love the confidence it brings to cornering and the clean, even drop that complements OEM wheels and popular tyre setups.
Common search terms
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