Bilstein B12 Pro-Kit 46-181268 Suspension Upgrade for BMW Z4 E89 2009-2016 - B8 Dampers + Eibach Pro-Kit Springs - Shock & Spring Lowering Kit 10-30mm - Sport/Fast-Road Fixed-Height Coilover Alternative - sDrive 18i 20i 23i 28i 30i

Bilstein B12 Fast-Road Spring and Shock Package for BMW Z4 E89 - Part No. 46-181268

Give your E89 roadster the stance, control and confidence it deserves with this matched spring and damper set from Bilstein and Eibach. Part number 46-181268 pairs shortened Bilstein B8 performance shock absorbers with progressive-rate Eibach coils to deliver sharper turn-in, flatter cornering and a purposeful ride height drop of around 10 to 30 mm, while keeping everyday comfort intact on British roads.

We run this kit on customer cars and the feedback is consistently brilliant. Expect tighter body control, cleaner steering feel and a planted, composed drive that suits fast-road use without the compromises of overly harsh setups.

Why this package works

• Ride height reduction approx. 10 mm to 30 mm for a lower centre of gravity and sportier stance
• Bilstein B8 short-body shock absorbers precisely matched to Eibach progressive coils
• Monotube gas pressure technology for consistent performance and fade resistance
• Increased chassis rigidity and steering precision, with excellent high-speed stability
• Fixed-height simplicity with road-friendly compliance and load-carrying ability
• German engineering with TUV approval for peace of mind

What is included

Four Bilstein B8 performance shock absorbers and four Eibach Pro-Kit springs, factory matched as a complete handling package for the BMW Z4 E89 platform.

Vehicle compatibility

BMW Z4 E89 Roadster 2009 to 2016:

• sDrive 18i
• sDrive 20i
• sDrive 23i
• sDrive 28i
• sDrive 30i

Typical drop: approximately 10 to 30 mm depending on model and spec.

Technical highlights

• Shock type: Gas pressure monotube, with inverted design on select applications
• Spring type: Eibach Pro-Kit progressive-rate
• Approval: TUV certified

Fitment verification

We double-check every order prior to dispatch. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm compatibility for your specific Z4.

Professional installation

For best results we recommend expert fitting and a full four-wheel alignment. MJ Modifications in Warwickshire can install this kit and set your geometry to suit. Request a fitting quote at info@mjmodifications.co.uk.

Part numbers and references

• Main reference: 46-181268
• Supplier code: BILSTEIN-46-181268
• EAN: 4025258674656
• UPC: 651860673059

Customer results

Owners love the immediate improvement in grip, confidence and road presence. We have installed this setup many times and it remains a go-to choice for a balanced, fast-road Z4 that looks right and drives even better.

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