Bilstein B14 PSS Coilover Suspension Kit for BMW 4 Series Convertible (F33) & BMW M4 Convertible (F83) – Height Adjustable 30–50mm, No EDC

Bilstein B14 ride-height adjustable suspension for BMW F33 Cabriolet and BMW F83 M4 Cabriolet

Give your soft-top BMW the stance, precision and confidence it deserves. This Bilstein B14 performance coilover package replaces your factory shocks and springs with German-engineered monotube dampers and matched coils, allowing precise ride-height tuning and a purposeful drop for real-world road use and fast-road driving. Built in Germany and proven on the Nürburgring, it is a superb upgrade for drivers who want sharper turn-in, reduced body roll and a composed, premium ride quality on British roads.

What you get

• Bilstein B14 threaded-body coilover set - front and rear, application-specific for F33 and F83 cabrio models
• Ride-height adjustment approximately 30 to 50 mm for a lower centre of gravity and cleaner arch gap
• Monotube gas-pressure shock absorbers with matched spring rates for balanced handling
• Zinc-plated, corrosion-resistant struts for long-term durability in UK weather
• Nürburgring-tested valving for confident control and stability

Compatibility

• BMW 4 Series Convertible F33
• BMW M4 Convertible F83
• Vehicles without electronic damping control - not for cars with factory adaptive dampers
• Front axle load up to 1095 kg
• Rear axle load up to 1285 kg

Why enthusiasts choose this setup

• Lower, cleaner stance with adjustable drop - dial in 30, 40 or 50 mm to suit wheels and roads
• Improved steering response, reduced pitch and roll, enhanced mid-corner grip
• Comfortable yet controlled ride on daily commutes and weekend B-road blasts
• German build quality and consistency you can trust

Real-world feedback

We run Bilstein B14 on customer cabriolets and our own cars. Owners love the tightened body control, the premium damping feel and the long-term reliability. Fit once, set your height and enjoy the transformation.

Ideal search terms

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Fitting and setup

For professional installation and alignment, choose MJ Modifications in Warwickshire. We know BMW chassis and coilover geometry inside out. Request a fitting quote at info@mjmodifications.co.uk.

Notes

• Height adjustment range is approximate and may vary with wheel, tyre and vehicle spec
• Ensure axle load limits are observed