Bilstein B12 Pro Kit Suspension for BMW Z4 E89 sDrive 35i and sDrive 35is - Part Number 46-181275
Transform the way your BMW Z4 E89 drives with the Bilstein B12 Pro Kit. This complete spring and damper suspension upgrade pairs Bilstein B8 performance shock absorbers with Eibach Pro-Kit lowering springs to deliver sharper handling, improved stability and a purposeful stance. Ideal for fast-road use while remaining daily-drivable, this is one of the most popular BMW Z4 suspension upgrades for owners who want real performance gains without compromising comfort.
We have installed and used the Bilstein B12 Pro Kit ourselves and customer feedback has been consistently positive. Expect a more planted Z4 with tighter body control, precise steering feel and a clean, even drop that enhances both aesthetics and performance.
Why choose the Bilstein B12 Pro Kit for your BMW Z4 E89
- Proven Bilstein B8 dampers matched to Eibach Pro-Kit springs for a balanced, factory-quality ride with sporty dynamics
- Improved cornering grip and reduced body roll without harshness
- Lowering typically within 10 mm to 30 mm depending on application for a cleaner, more aggressive stance
- Bilstein gas-pressure monotube technology for consistent performance and fade resistance
- Precise response and high safety reserves under spirited driving
- TÜV approved and engineered for long-term reliability
What is included
- 4 x Bilstein B8 high-performance shock absorbers, vehicle specific
- 4 x Eibach Pro-Kit performance lowering springs with progressive characteristics
- Matched spring and damper rates for optimal handling and comfort
Key features
- Sport suspension kit for BMW Z4 E89
- Bilstein B12 Pro Kit with Eibach Pro-Kit springs and Bilstein B8 dampers
- Gas-pressure, monotube technology for superior control
- Lowering range 10 mm to 30 mm depending on application
- Excellent driving dynamics, stability and steering precision
- German engineering and TÜV certification
Compatibility
BMW Z4 Roadster E89 2009 to 2016
- BMW Z4 E89 sDrive 35i
- BMW Z4 E89 sDrive 35is
Search-friendly keywords
BMW Z4 E89 suspension, BMW Z4 E89 lowering kit, Bilstein B12 Pro Kit Z4, Bilstein 46-181275, Bilstein B8 shocks Z4, Eibach Pro-Kit springs Z4, BMW Z4 E89 damper and spring kit, Z4 suspension upgrade, Z4 35i suspension, Z4 35is suspension, sport springs and shocks Z4, Bilstein Z4 E89 performance suspension.
Specifications
| Shock absorber type | Gas pressure, monotube |
| Lowering | Approx. 10 mm to 30 mm depending on application |
Part numbers
- Bilstein Part Number: 46-181275
- Nforcd SKU: BILSTEIN-46-181275
- EAN: 4025258674663
- UPC: 651860673066
Compatibility check
We will confirm fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout so we can verify this Bilstein B12 Pro Kit suits your exact BMW Z4 E89.
Installation and fitting
- Professional installation recommended
- We strongly advise a full four-wheel alignment after fitting
- Fresh top mounts and hardware recommended where necessary
Want us to fit it for you? Nforcd offers expert installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Why buy from Nforcd
- Specialists in BMW and performance suspension upgrades
- Hands-on product experience and proven customer satisfaction
- Friendly advice, verified fitment and support from enthusiasts