ST Suspension BMW F33 F36 Coilover Kit ST X for 428i, 430i, 435i, 440i
Unlock the stance, handling and road presence your BMW deserves with the ST Suspension ST X coilover kit. Engineered by KW Automotive and built to perform, these height adjustable coilovers deliver a significant drop, sharper turn in and a confident, composed ride for fast road use. If you are searching for BMW F33 coilovers, BMW F36 coilovers, BMW 4 Series coilovers, or a premium BMW lowering kit, the ST X coilover kit is the proven choice.
At Nforcd we have fitted and run ST X on customer cars and our own builds. The feedback is consistently positive for ride quality, build quality and the transformation in handling and aesthetics. This is the go to BMW F3x coilover upgrade when you want reliable performance, daily comfort and an aggressive, even drop.
Why choose ST X coilovers for your BMW F33 F36
- Height adjustable coilovers with continuous thread design for precise ride height control
- Typical lowering range front and rear 35 to 65 mm, for a clean, even stance
- Polyamide adjustment ring for easy on car height changes
- Galvanised coilover struts with additional coating for corrosion protection
- High quality twin tube dampers, chrome plated piston rods and a robust mono block guide
- Complete kit with adjustable spring perches, performance springs, bump stops and dust boots
- Designed in conjunction with KW Germany for sporty handling and reduced body roll
- Two year manufacturer warranty for peace of mind
Lowering range
- Front lowering: 1.6 to 2.5 inches
- Rear lowering: 1.6 to 2.5 inches
Material
Galvanised steel construction with additional corrosion protection coating.
Compatibility
- BMW 3 Series F31 Touring, F34 Gran Turismo 2012 to 2019
- 318d, 320d, 320i, 325d, 330d, 330i, 335i, 340i
- BMW 4 Series F33 Convertible, F36 Gran Coupé 2014 to 2020
- 420d, 425d, 425i, 428i, 430d, 430i, 435i, 440i
Important fitment notes
- Does not fit xDrive models
- Not compatible with vehicles equipped with EDC electronic damper control
- With original wheels and tyres, wheel spacers may be required
Part number
1322000J
Need professional fitting
We recommend professional installation for best results. Nforcd offers expert fitting in Warwickshire. Request a fitting quote at Sales@nforcd.com.
What this kit delivers
If you want your BMW 428i, 430i, 435i or 440i to sit lower, corner flatter and feel more direct without harshness, the ST X coilover kit is the perfect upgrade. Expect improved agility, reduced body roll and a balanced ride that works for daily driving and weekend blasts alike. With precise height adjustment, you can dial in the ideal stance while maintaining drivability.
Manufactured by
ST Suspension, engineered by KW Automotive.
Warranty
Two year manufacturer warranty.
Search friendly terms
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