KW V1 Inox-Line Coilovers for BMW 4 Series F33 Convertible (Cabriolet) xDrive AWD (428i 430i 435i 440i 435d) – Stainless Steel Ride Height Adjustable Lowering Suspension Kit – Street Coilover Upgrade – Part Number 102200BF

Adjustable Coilover Suspension for BMW 4 Series F33 Cabriolet xDrive

Part number: 102200BF

Give your BMW 4 Series F33 cabriolet xDrive the stance, control and confidence it deserves with this stainless steel coilover suspension set. Engineered for everyday road use and spirited B-road driving, this ride height adjustable package delivers tighter body control, improved turn-in and a composed, comfortable ride on UK tarmac and in all weather.

Built with corrosion resistant stainless steel bodies, this system is designed to shrug off winter salt and year-round grime. The damping is pre-configured by the manufacturer for the F33 platform, so you get an expertly matched spring and damper combination without needing to dial in settings. Fit, set your desired height within the tested range and enjoy precise handling with a clean, even drop front to rear.

Why this coilover kit is a brilliant upgrade

• Ride height adjustment for perfect stance and practical ground clearance
• Sporty road manners with supple compliance for daily commuting
• Stainless steel struts for long-term durability in the UK climate
• Vehicle specific tuning for the F33 xDrive chassis
• Sharper steering response and reduced body roll through corners
• Complete package with model specific documentation for a straightforward install

Included in the box

• Front and rear dampers
• Matched main springs and, where applicable, helper springs
• Rear height adjusters for separate spring and damper layouts
• Bump stops and mounting hardware where required
• Vehicle specific instructions

Key details

• Version: Factory pre-set damping
• Damping adjustment: Fixed, model tuned valving
• Material: Stainless steel struts with corrosion resistant components
• Lowering: Continuous within the manufacturer tested adjustment window
• Approval: Part approval where applicable
• Part number: 102200BF

Fitment

BMW 4 Series F33 cabriolet with xDrive all-wheel drive, 10/2013 onwards:

• 428i xDrive
• 430i xDrive
• 435i xDrive
• 440i xDrive
• 435d xDrive

How it drives

Expect a tighter, more controlled chassis with less pitch and roll, stronger mid-corner grip and a reassuring, premium feel over rougher roads. It sits right, turns in crisply and remains comfortable for long journeys and daily use.

Our experience

We have installed this kit on customer cars and our own builds. Feedback is consistently positive: excellent road comfort for a coilover, high quality finish and hardware, and a ride height range that makes dialling in the perfect look and geometry simple.

Installation

• Professional fitting and a four-wheel alignment are strongly recommended
• Set the height within the tested range for the best balance of handling and practicality
• OE top mounts may be re-used depending on vehicle specification

Want expert fitting. Book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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