ST Suspension ST X Height Adjustable Coilover Suspension for BMW 3 Series E90 E92 (2006-2013) - Lowering/Drop Kit - Saloon/Sedan & Coupe - Fits 325i 328i 330i 335i 335d 335is - Part No 13220032

ST X Adjustable Spring and Damper Package for BMW 3 Series E90 E92 2006 to 2013 — Part Number 13220032

Give your BMW saloon or coupé the stance and handling it deserves with the ST X adjustable suspension set. Built by the engineers behind KW Automotive’s renowned road performance hardware, this height-adjustable shock and spring system delivers sharper turn-in, flatter cornering and a composed ride for everyday use. If you are searching for a BMW E90 E92 suspension upgrade, ride height adjustable kit, street performance shocks, or a premium drop kit for 325i, 328i, 330i, 335i, 335d or 335is models, this is the proven choice.

Why this ST X kit stands out

• Precise ride height control using a robust threaded body and durable polyamide spring seats
• KW-engineered twin-tube dampers for confident road holding and predictable feedback
• Chrome-plated piston rods and low-friction internals for long-term reliability
• Galvanised steel struts with additional surface protection to resist corrosion in UK weather
• Matched performance springs, bump stops and dust boots for balanced comfort and control

Lowering range and adjustment

Easily fine-tune your stance and centre of gravity for improved grip and a purposeful look.

• Typical drop: approximately 35 to 65 mm front and rear
• Factory-lowered models: approximately 30 to 60 mm front and 25 to 55 mm rear
• Front adjustment: 0.8 to 1.8 inches
• Rear adjustment: 0.8 to 1.6 inches

What is included

• Height-adjustable front and rear strut assemblies where applicable
• Adjustable spring perches for accurate setup
• Performance spring set with bump stops and gaiters
• Twin-tube damper technology tuned for sporty road comfort

Real-world results from our workshop

We have installed this ST X setup on multiple customer E90 and E92 cars and the feedback is consistently excellent. Owners love the improved steering response, reduced body roll and planted feel without sacrificing daily usability. The transformation in confidence on B-roads and motorways is immediate, and the stance is spot on once dialled in.

Compatibility

For BMW 3 Series E90 and E92 models from 2006 to 2013, including:

• 325i
• 328i
• 330i
• 335i
• 335d
• 335is

Part number

13220032

Brand

ST Suspension

Warranty

Two-year manufacturer warranty

Professional fitting and alignment

For the best results, professional installation and a four-wheel alignment are recommended. MJ Modifications in Warwickshire can supply, fit and set up this kit to your goals. Request a quotation at info@mjmodifications.co.uk.

Notes

Depending on wheel width and offset, spacers may be required when used with original wheels and tyres.

Search terms our customers use

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