Bilstein 46-331304 B12 Pro-Kit Suspension Upgrade for BMW F31 330d xDrive and 335d xDrive
Transform the way your BMW 3 Series Touring F31 drives with the Bilstein B12 Pro-Kit. Part number BILSTEIN-46-331304 pairs Bilstein B8 high‑performance gas‑pressure dampers with Eibach Pro‑Kit progressive lowering springs to deliver sharper handling, reduced body roll and a clean, factory‑plus stance. Expect a quality drop of approximately 10 to 30 mm depending on vehicle specification, with the perfect balance of comfort and control for daily road use and spirited driving.
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Why choose the Bilstein B12 Pro-Kit for your BMW F31 xDrive
- Matched performance package: Four Bilstein B8 high‑performance dampers precisely tuned to four Eibach Pro‑Kit progressive springs.
- Real‑world improvements: Faster turn‑in, flatter cornering, better stability under braking and high‑speed confidence without harshness.
- Lowering you can trust: Approximate drop of 10 to 30 mm depending on application for a purposeful stance and improved centre of gravity.
- Bilstein gas‑pressure technology: Consistent damping performance with excellent heat management and fade resistance.
- Monotube engineering: Upside‑down monotube technology on select applications for superior precision and durability.
- German TÜV certification: Quality and safety you can rely on with proven road legality.
- Direct fitment: Designed for the BMW F31 xDrive platform for a straightforward installation and OE‑style integration.
We have fitted this B12 kit on our own cars and for customers, and feedback is consistently positive: noticeably tighter handling, reduced roll and a refined ride that suits UK roads.
What’s included
- 4x Bilstein B8 high‑performance gas‑pressure shock absorbers
- 4x Eibach Pro‑Kit progressive rate lowering springs
- Application‑matched setup for BMW F31 xDrive
Lowering range
Vehicle‑dependent, typically between 10 mm and 30 mm. Actual results vary based on engine, drivetrain, factory options and existing suspension specification.
Technical highlights
- Shock absorber type: Gas pressure
- Bilstein B8 shortened‑stroke dampers for lowered applications
- Eibach Pro‑Kit progressive springs for comfort and control
- German TÜV certification
Compatibility
BMW
- 3 Series
- 3 Touring (F31) 07.12 – 06.19
- 330d xDrive
- 335d xDrive
- 3 Touring Van (F31) 07.12 – 06.19
- 330d xDrive
Common search terms: BMW F31 suspension kit, BMW F31 330d xDrive suspension, BMW F31 335d xDrive suspension, Bilstein B12 Pro‑Kit BMW, BMW F31 lowering springs and shocks, BMW 3 Series Touring xDrive sport suspension, BMW estate suspension upgrade, BMW F31 coilover search alternative. Note: this B12 kit is a fixed‑height matched spring and damper package, not a height‑adjustable coilover. Many owners searching for coilovers choose the B12 for its ride quality and set‑and‑forget simplicity.
Installation
Professional fitting is recommended. For expert installation, speak to Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check before dispatch
We verify fitment prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm compatibility for your specific BMW F31 xDrive.
Part numbers and identifiers
- Part number: BILSTEIN-46-331304
- EAN: 4025258892999
- UPC: 651860904085
Manufacturer
Bilstein
Why buy this suspension kit
- Immediate upgrade in handling and stability for BMW F31 xDrive diesel models
- Clean, even drop with OEM‑plus comfort
- Engineered by Bilstein and Eibach, trusted by enthusiasts
- Perfect for daily driving and fast road use on UK roads