Bilstein B12 Sportline Lowering Springs & Shocks Kit 46-237583 for BMW 3 Series F31 Touring/Estate Wagon & F34 3GT Gran Turismo 2012-2018 - Fixed Height Sport Suspension Upgrade, up to 50mm drop - fits 316d 316i 318d 318i 320d 320i 328i 330i - damper kit

Complete Spring and Damper Package for BMW 3 Series F31 Estate and F34 3 Gran Turismo

Give your F31 Touring or F34 3GT a proper chassis upgrade with the Bilstein B12 Sportline kit. This matched shock absorber and spring set sharpens steering response, lowers the centre of gravity and delivers that planted, confident feel on British roads without ruining everyday comfort. If you want a lower stance and a serious uplift in control from a trusted manufacturer, this is the set to choose.

Part number: 46-237583

What you will feel

• Firmer, more composed body control with reduced roll, squat and dive.
• Quick, precise turn in that boosts confidence on fast A-roads and B-roads.
• Lower ride height by up to 50 mm for a purposeful, level look and better balance.
• Stable motorway manners and day-to-day comfort that works on UK tarmac.

Why this kit

• Precision-matched springs and dampers designed to work together for your specific BMW platform.
• Fixed-height solution that offers the appearance and performance many expect from coilovers, without the faff.
• Direct replacement components that maintain correct geometry and clearances.
• Engineered by a leading OE supplier, built for durability and consistent performance.
• Covered by a 2 year Bilstein warranty for peace of mind.

Ride height reduction

Up to approximately 50 mm, depending on vehicle specification and engine variant. The result is a lower centre of gravity and a clean, aggressive stance that still works for daily use.

Vehicle coverage

BMW 3 Series F31 Touring, 2012–2018

• 316d, 316i, 318d, 318i, 320d, 320i, 328i, 330i

BMW 3 Series F34 Gran Turismo, 2012–2018

• 316d, 316i, 318d, 318i, 320d, 320i, 328i, 330i

What is included

• Front and rear shock absorbers matched to lowering springs for a cohesive handling package.
• Application-specific components for the models listed above.

Real-world feedback

We have installed this kit on our own builds and for many customers. The common verdict is tighter control, improved grip on turn-in and mid-corner, and a ride that remains perfectly usable every day. Expect a planted chassis that inspires confidence without harshness.

Installation and support

Professional fitting is recommended, followed by a four-wheel alignment. For installation at MJ Modifications in Warwickshire, request a quote: info@mjmodifications.co.uk.

Manufacturer and warranty

Brand: Bilstein

Warranty: 2 years

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