ST Lowering Spring Kit - 40/30 - 3 -series; E46 (346L/C/R/K) coupe 04/99-02/05 316Ci, 318Ci

Sharpen your BMW E46 Coupe with a 40 front 30 rear drop

Give your BMW 3 Series E46 two door a purposeful stance and tighter road manners with this ST sport spring set. Expect a lower centre of gravity, reduced body roll and a cleaner arch gap for that OEM plus look. Engineered to work with factory dampers, including cars equipped with electronic or adaptive shock absorbers, this coil spring upgrade delivers everyday usability with a noticeable handling boost.

Key benefits

• Approximate ride height reduction: 40 mm front and 30 mm rear for a balanced, level appearance
• Improved steering response and cornering stability for fast road driving
• Comfortable yet sportier ride quality suited to daily use
• Designed to pair with original equipment dampers, including adaptive systems

Fitment and specs

• Vehicle: BMW 3 Series E46 Coupe 04/1999 to 02/2005
• Models: 316Ci and 318Ci petrol variants
• Chassis references: 346L, 346C, 346R, 346K
• Engine output range: 85 to 110 kW
• Maximum front axle load: 895 kg
• Maximum rear axle load: 1100 kg

Construction and quality

• Factory grade build using high tensile chrome silicon steel
• Multi tempering process for long term durability and consistent rates
• Corrosion resistant epoxy coating for year round UK weather protection
• Vehicle specific spring rates tuned for the E46 Coupe platform
• Sleeved where required for precise fitment and low noise operation

Why enthusiasts choose this setup

• Clean, even drop that enhances the E46 silhouette without compromising practicality
• Noticeably flatter cornering and more confidence on B roads
• Works with standard shocks to keep costs sensible
• Trusted brand with OEM level manufacturing

Workshop proven: we have installed these springs on multiple customer E46 Coupes and feedback has been consistently positive on stance and handling. If you want that tidy drop with dependable ride quality, this is a top pick.

Professional fitting

Want it fitted properly with full alignment setup and torque to spec? Book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Good to know

• Ensure your vehicle’s axle loads fall within the stated limits before ordering
• Actual lowering may vary slightly depending on vehicle specification and equipment level

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