Bilstein B12 Suspension Kit for BMW 4 Series F33 425d Convertible - Part Number 46-258205
Upgrade your BMW 4 Series F33 425d Convertible with the Bilstein B12 performance suspension kit. This Bilstein B12 Pro Kit delivers the perfect blend of handling, comfort and stance for the BMW F33 425d. If you are searching for BMW F33 coilovers, BMW 4 Series coilover kit, BMW 425d suspension, or BMW F33 lowering springs and shocks, the Bilstein B12 is the proven, direct-fit, bolt-on solution that gives you coilover-like control and a purposeful drop without the complexity of height adjustment.
Engineered specifically for the BMW 4 Series F33 Convertible 425d (2014-2018), the Bilstein B12 kit combines matched springs and dampers to transform steering response, cornering grip and high-speed stability while retaining day-to-day comfort. Part Number: 46-258205.
Why choose the Bilstein B12 for your BMW F33 425d
- Direct-fit, vehicle-specific Bilstein B12 suspension kit for BMW 4 Series F33 425d Convertible
- Improved comfort and handling compared to factory suspension - sharper turn-in, better body control, confident braking
- Static lowering for a sportier stance - up to 50 mm depending on application with technical certifications
- No rubbing and no pavement scraping problems due to optimised spring rates and OE-like geometry
- Perfectly matched springs and dampers for balanced street performance
- Sporty yet comfortable - ideal for UK roads and long motorway journeys
- Direct bolt-on replacement - no modification required in typical applications
What you can expect
The Bilstein B12 kit is a top choice for BMW F33 425d owners who want an immediate improvement in road feel, precision and confidence. It lowers the centre of gravity for better grip and a cleaner, more aggressive look while maintaining everyday usability. It is the ideal coilover alternative for the BMW 4 Series F33 425d if you want a fixed, well-judged drop without the maintenance of adjustable coilovers.
Compatibility
- BMW 4 Series F33 Convertible 2014-2018
- 425d
Part Number
46-258205
Customer results
We have installed and run Bilstein B12 kits on customer BMW 4 Series builds and feedback has been consistently positive - tighter handling, better composure over bumps and a stance that looks right without compromising everyday driveability. Our customers love the way the car feels more planted and predictable on British roads.
Fitting and setup
Professional fitting and alignment recommended. We offer in-house installation at Nforcd in Warwickshire - request a quote at Sales@nforcd.com. We can also advise on alignment settings for fast-road use on the BMW F33 425d to maximise tyre life and performance.
Warranty
2 Year Bilstein Warranty
Common search terms
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