Bilstein B12 Pro-Kit Suspension Kit – BMW 1 Series E88 Convertible/Cabriolet Soft-Top (2007-2013) – Lowering Springs & Shocks/Struts – Sport Handling Upgrade – 118d 118i 120d 120i 123d 125i 128i – 46-180520

Bilstein B12 Pro Kit - BMW 1 Series Cabiolet E88 2007-2013 - Part No. 46-180520

Transform the way your soft-top 1 Series drives with this matched spring and damper package from Bilstein. The B12 system brings a confident drop, sharper chassis response and composure on British roads without the harshness you get from many height-adjustable kits. If you want a road-focused handling upgrade with a purposeful stance, this is the go-to choice.

What this package delivers

• Crisp steering feel and reduced body movement for more confidence on B-roads and motorways.
• Lower centre of gravity for improved grip, better traction and a more aggressive look.
• Vehicle-specific damping for stability at speed and comfort on everyday journeys.
• Direct bolt-on kit that uses factory mounting points for a clean, hassle-free install.
• Designed specifically for the E88 platform to keep the balance right for fast-road driving and occasional track work.
• Supplied with technical certification for added peace of mind.

Ride height and stance

Static lowering by up to 50 mm depending on application. Expect a tidy, even drop that keeps geometry in check and helps prevent rubbing or scraping when set up correctly.

Real-world feedback

We have fitted this kit for our own customers and the transformation is immediate. Drivers report tighter turn-in, far less roll, better mid-corner confidence and a smoother, more controlled ride than tired factory components or bargain coilover sets. It is a fit-and-forget upgrade that just works on UK tarmac.

Compatibility

BMW 1 Series cabriolet E88, 2007 to 2013:

• 118d
• 118i
• 120d
• 120i
• 123d
• 125i
• 128i

Part number

46-180520

Manufacturer and warranty

Brand: Bilstein

Warranty: 2-year Bilstein warranty

Professional fitting

Want expert installation and geometry set-up? Book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Why choose this over budget options

• Matched springs and performance shock absorbers tuned together for the E88 chassis.
• Improves control and comfort compared with ageing OE parts or cheap lowering springs.
• Great for daily driving, spirited weekend use and long trips without the crashiness of many threaded-body kits.

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