Bilstein B12 Pro Kit Suspension for BMW 6 Series F12 Convertible (2011–2018) – 640d, 640i, 650i – Shocks & Springs Lowering Kit – 46-257703

Bilstein B12 Pro Kit Suspension for BMW 6 Series F12 Convertible (2011–2018) – 640d, 640i, 650i – Shocks & Springs Lowering Kit – 46-257703

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Bilstein B12 Pro Kit Suspension for BMW 6 Series F12 Convertible 640d, 640i and 650i

Transform the way your BMW 6 Series drives with the Bilstein B12 Pro Kit suspension upgrade. Perfect for the BMW F12 Convertible 2011 to 2018, this matched spring and damper package delivers sharper handling, confident road feel and a purposeful, sportier stance. Often searched as BMW F12 coilovers or BMW 6 Series coilover kit, the Bilstein B12 Pro Kit is a fixed-rate performance suspension kit engineered for daily driving, fast road use and long-distance comfort. Part Number: 46-257703.

Keywords customers use: BMW F12 suspension upgrade, BMW F12 coilovers, Bilstein B12 Pro Kit F12, BMW 6 Series lowering kit, BMW 640d suspension, BMW 640i suspension, BMW 650i suspension, BMW F12 shocks and springs, sport suspension kit for BMW 6 Series, Bilstein 46-257703 UK.

Why choose Bilstein B12 for your BMW F12

  • Immediate improvement in handling, stability and steering precision without sacrificing comfort.
  • Direct fit, bolt-on replacement designed specifically for the BMW F12 platform for a hassle-free install.
  • Static lowering for a lower centre of gravity and improved road feel, with technical certification depending on application.
  • No rubbing or scraping issues thanks to geometry that respects factory clearances and ground clearance.
  • Engineered by Bilstein for balanced, confidence-inspiring performance on British roads.

Key features

  • Matched performance dampers and sport springs developed for the BMW 6 Series F12 Convertible.
  • Lowering capability up to 50 mm depending on application for the perfect stance and dynamics.
  • Improved body control, reduced roll and better high-speed stability for everyday use and spirited driving.
  • Excellent ride quality on the motorway and across challenging B-roads.
  • Direct replacement for factory suspension with no additional modifications required.
  • Includes technical certification where applicable.

Real-world results

We have supplied and fitted Bilstein B12 kits on customer BMW 6 Series models and our team loves the transformation. Owners consistently report tighter turn-in, more grip on uneven surfaces and a calmer, more controlled ride day to day.

Compatibility

  • BMW 6 Series F12 Convertible 2011 to 2018
    • 640d
    • 640i
    • 650i

Part number and warranty

Bilstein Part Number: 46-257703
Warranty: 2 Year Bilstein Warranty

Fitting and support

Want it fitted by specialists who know BMW suspension inside out? Nforcd offers professional installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Good to know

Frequently searched as BMW F12 coilovers or coilover kit. The Bilstein B12 Pro Kit is a precision matched spring and damper package designed for fixed ride height performance, delivering the stance and control most owners want without the complexity of height adjustment.

Popular search terms

Bilstein B12 Pro Kit BMW F12, BMW F12 suspension kit, BMW F12 coilovers, BMW 6 Series F12 lowering springs, BMW 640d coilovers, BMW 640i coilovers, BMW 650i coilovers, BMW F12 shocks and springs, Bilstein 46-257703, BMW F12 performance suspension, BMW 6 Series suspension upgrade UK, sport suspension kit BMW 6 Series.