ST Suspensions Lowering Springs Kit 30/30mm Front & Rear for BMW 5 Series G30 G31 (Saloon, Touring/Estate) 2017+ – Sport/Drop Coil Springs Suspension Upgrade – Fits 520i 530i 540i 520d 525d 530d (G5L G5K)

ST Suspension Lowering Springs for BMW 5 Series G30 and G31 - 30 mm front and 30 mm rear

Give your BMW 5 Series the stance and handling it deserves. This ST performance spring kit drops the G30 saloon and G31 Touring by 30 mm at the front and 30 mm at the rear, tightening body control while maintaining everyday comfort. A direct fit for 2017-on 520i, 530i, 540i, 520d, 525d and 530d, it is the ideal suspension upgrade for road use, daily driving and spirited B-road runs.

Why enthusiasts choose this ST spring set

• Lower centre of gravity for sharper turn-in and reduced body roll
• Clean, even arch gap for a purposeful OEM+ look
• Vehicle-specific spring rates matched to factory dampers for balanced ride quality
• High tensile spring steel with multi-stage heat treatment for long-term consistency
• Shot-peened and powder coated for corrosion resistance in UK weather
• Works with standard shocks and factory electronic damping systems

Proven on our customers’ cars

We have fitted these ST lowering springs to multiple BMW 5 Series builds. Feedback has been consistently positive, with owners praising the more planted feel, improved cornering confidence and a tidy, level ride height that still copes well with everyday roads.

Compatibility and key data

• Chassis: BMW 5 Series G30 and G31, including G5L and G5K
• Model years: 02/2017 onwards
• Engines: 520i, 530i, 540i, 520d, 525d, 530d
• Lowering: 30 mm front, 30 mm rear
• Permitted power range: 120 to 265 kW
• Maximum front axle load: 1140 kg
• Maximum rear axle load: 1310 kg
• Contents: 4-piece spring set for front and rear

Important fitment note: always verify the axle weights on your vehicle’s data plate. A four-wheel alignment is recommended after installation to optimise tyre wear and handling.

Professional fitting available

Want it installed properly first time with geometry setup advice from people who know BMW suspension inside out? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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