Bilstein B12 Pro-Kit 46-181169 Suspension Lowering Kit for BMW 6 Series E64 Convertible/Cabriolet 2004-2010 - B8 Sport Dampers + Eibach Pro-Kit Springs - Shock & Spring Upgrade for 645Ci 650i 635d (BILSTEIN-46-181169

Sports Suspension Package for BMW 6 Series E64 Cabriolet 2004 to 2010

Give your BMW 6 Series Convertible the fast road feel it deserves with this carefully matched spring and shock absorber set. Built around Bilstein performance dampers and Eibach progressive rate springs, this upgrade delivers confident cornering, a purposeful ride height drop and a composed, comfortable drive on British roads. It is a direct replacement for tired factory components, engineered for precision, balance and real-world use.

We run this setup on our own cars and customer feedback has been overwhelmingly positive. Expect tighter body control, sharper turn in and a more planted chassis without ruining day to day comfort. German engineered, TUV approved and tuned to work as a complete package.

Main benefits

• Ride height reduction of around 10 mm to 30 mm depending on model for a cleaner stance and improved aerodynamics
• Shortened sport dampers paired with progressive springs for superb balance on B-roads and motorways
• Quicker steering response, reduced pitch and roll, enhanced high speed stability
• Monotube gas pressure design for consistent damping and fade resistance
• Daily usable comfort with genuine fast road handling
• TUV approved and OE style fit for hassle free installation

What is included

• 4x Bilstein sports shock absorbers, precision valved for lowering springs
• 4x Eibach Pro-Kit progressive rate springs for controlled drop and ride quality
• A matched spring and damper combination designed to work together out of the box

Vehicle suitability

BMW 6 Series E64 Cabriolet only:

• 645Ci
• 650i
• 635d
• Model years 2004, 2005, 2006, 2007, 2008, 2009, 2010

Technical highlights

• Single tube gas pressure construction for precise damping
• Short stroke sport shocks for optimal control with lowering springs
• Progressive spring rates help absorb small bumps while supporting the car in fast corners

Fitment check before dispatch

We verify compatibility prior to shipping. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm this kit suits your exact E64 Cabriolet.

Professional installation

We recommend expert fitting and alignment. MJ Modifications in Warwickshire can install this kit and set the car up for road use. For a fitting quote and availability, email info@mjmodifications.co.uk.

Part numbers and identifiers

Part number: BILSTEIN-46-181169

Also listed as: Bilstein 46-181169

EAN: 4025258674564

UPC: 651860672960

Why choose this upgrade for your E64

If your convertible feels floaty or underdamped, this spring and damper kit is the smart alternative to coilovers, giving you improved handling, a tasteful drop and OEM like refinement. It is ideal for 645Ci, 650i and 635d owners who want fast road performance, better traction out of corners and a cleaner stance without compromising comfort.

Search friendly terms

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