Bilstein B12 Pro-Kit 46-181183 Suspension

Performance Damper and Spring Package - BMW 6 Series E64 630i Convertible - Part Number BILSTEIN-46-181183

Unlock sharper steering, a purposeful stance and rock-solid composure with this German-engineered spring and damper bundle for the BMW 6 Series E64 630i Cabriolet. The package combines Bilstein B8 gas-pressure monotube dampers with Eibach progressive-rate sport coils for an agile, planted feel on British roads while keeping everyday comfort intact. We have installed this kit on our own cars and for customers, and the feedback is consistently positive for its OEM-plus ride and confidence-inspiring control.

What you get

• 4 x Bilstein B8 high-performance shock absorbers and struts
• 4 x Eibach Pro-Kit progressive sport springs
• Direct-fit replacement components for a clean, hassle-free install

Why it transforms your 6 Series

• Ride height reduction of approximately 10 mm to 30 mm depending on vehicle specification
• Firmer, more controlled body movement for flatter cornering and better high speed stability
• Precise turn in with improved road feel and traction over uneven surfaces
• Matched spring and damper rates for balanced handling without harshness
• Gas-pressure monotube technology for consistent damping under spirited driving
• Upside-down strut tech on applicable fronts for added rigidity
• TUV approved quality from industry leaders in chassis tuning

Compatibility

BMW 6 Series Convertible - E64 chassis - model years 2004 to 2010 - 630i petrol.

Note on lowering: final ride height can vary within the 10 mm to 30 mm range depending on factory options, suspension package, wheel and tyre sizes and overall vehicle condition.

Technical highlights

• Damper type: monotube, gas pressure
• Spring type: progressive-rate sport coils
• Certification: TUV

Part identifiers

• Part number: BILSTEIN-46-181183
• EAN: 4025258674588
• UPC: 651860672984

Fitment check

We will verify compatibility before dispatch. At checkout, provide your UK registration or the last 7 of your VIN and we will confirm the correct application for your BMW E64 630i Convertible.

Installation and alignment

Professional fitting recommended. For installation and four wheel alignment, book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Why buy from MJ Modifications

• Genuine parts and expert advice from enthusiasts
• Proven results on our own builds and happy customer cars
• Fast UK shipping and friendly aftersales support

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