Bilstein B12 Pro-Kit Suspension Kit for BMW Z4 E85 E86 M 3.2 S54
Part Number: BILSTEIN-46-000033
Unlock sharper handling, a lower stance and everyday usability with the Bilstein B12 Pro-Kit for BMW Z4 E85 and E86 M models. This complete suspension upgrade pairs Bilstein B8 high-performance dampers with Eibach Pro-Kit progressive lowering springs to deliver precise control, reduced body roll and confident road holding without ruining ride comfort. If you are searching for BMW Z4 M suspension, Z4 M lowering springs and shocks, Bilstein B12 E85, Bilstein B12 E86 or a coilover alternative for Z4 M, this is the proven, road-friendly performance kit that enthusiasts trust.
We have used the B12 Pro-Kit on our own builds and customer cars. Feedback is consistently positive for fast-road use: crisper turn-in, smoother body control, better traction and a purposeful ride height drop. It is a direct-fit, OE-quality solution engineered by Bilstein with German TUV certification for peace of mind.
Why choose the Bilstein B12 Pro-Kit for BMW Z4 M
- Perfectly matched package: Bilstein B8 dampers + Eibach Pro-Kit springs
- Sporty dynamics with everyday comfort for fast road and occasional track use
- Lowering typically 10 mm to 30 mm depending on application for an aggressive stance
- Gas pressure technology for consistent performance under hard driving
- Monotube upside-down technology on select applications for superior stability
- Enhanced steering precision, reduced body roll and improved cornering grip
- German TUV certified, engineered to OE quality standards
What you get
- 4 x Bilstein B8 performance dampers
- 4 x Eibach Pro-Kit progressive-rate lowering springs
- All components tuned together for optimal balance and durability
Fitment and compatibility
This kit is designed for the following BMW models:
- BMW Z4 Roadster E85 3.2 M (09.2002 to 12.2009)
- BMW Z4 Coupe E86 M (03.2006 to 01.2009)
Common search terms: BMW Z4 M suspension kit, Z4M E85 coilovers, Z4M E86 coilovers, Bilstein 46-000033, Z4 M shocks and springs, BMW Z4 M lowering kit, E85 suspension upgrade, E86 suspension upgrade.
Key technical details
- Shock absorber type: Gas pressure
- Lowering range: Approx. 10 mm to 30 mm depending on vehicle specification
- Technology: Bilstein monotube on select applications, matched to Eibach Pro-Kit springs
- Intended use: Fast road focused with excellent stability and comfort
Notes
The B12 Pro-Kit is a fixed-rate, fixed-height performance suspension package. It is a superb coilover alternative for drivers who want a lower, more controlled Z4 M without the complexity of height adjustment.
Compatibility check
We will verify fitment before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout and our team will confirm compatibility for your BMW Z4 E85 or E86 M.
Professional fitting
We recommend professional installation. Nforcd offers fitting and alignment in Warwickshire. Request a quote via Sales@nforcd.com.
Identifiers
- Part number: BILSTEIN-46-000033
- EAN: 4025258673048
- UPC: 651860671444
- Manufacturer: Bilstein