ST X Height Adjustable Coilovers for BMW 1 Series M135i/M140i (F20/F21) | 2WD & xDrive | No EDC | 30-55mm Lowering | KW Engineered Suspension Kit

ST X Height Adjustable Coilovers for BMW 1 Series M135i/M140i (F20/F21) | 2WD & xDrive | No EDC | 30-55mm Lowering | KW Engineered Suspension Kit

Regular price
£818.00
Sale price
£818.00
Regular price
Sold out
Unit price
per 
Tax included. Shipping calculated at checkout.

ST X Coilovers BMW 1 Series M135i and M140i F20 F21 No EDC 2WD and 4WD xDrive

Transform the way your BMW 1 Series drives and looks with the ST X Coilover Kit. Designed in conjunction with KW Germany and manufactured by KW Automotive, this ST Suspension coilover kit delivers precise height adjustment, sharper handling and a lower, more aggressive stance for the BMW M135i and M140i F20 F21 without EDC in both 2WD and 4WD xDrive variants.

Lowering Range

  • Front: 30 to 55 mm
  • Rear: 30 to 55 mm

Why choose ST X for your BMW M135i or M140i

  • Sporty handling with reduced body roll and improved agility on road and track
  • Continuously height adjustable for the perfect stance and ride height
  • Balanced comfort and control for daily driving and spirited B-road blasts
  • Engineered by KW for proven reliability and performance
  • Ideal performance suspension upgrade for BMW 1 Series enthusiasts seeking coilovers that deliver results

Quality and Construction

  • Twin-tube dampers with high-quality internals for durability and consistent damping
  • Galvanised struts with additional coating for optimised corrosion protection
  • Chrome-plated piston rods for longevity
  • Monoblock guide and ST seal package to keep out dirt in all weather conditions
  • Polyamide height-adjustment ring for easy, precise ride height changes
  • Complete kit with adjustable spring perches, performance springs, bump stops and dust boots

Fitment and Notes

  • Vehicle: BMW 1 Series M135i and M140i, F20 and F21 chassis
  • Drivetrain: Suitable for both 2WD and 4WD xDrive
  • Electronic Damping Control: For vehicles without EDC
  • Axle loads: Please check your VIN plate for maximum front and rear axle loads
  • Options available for different max weight levels. Please enquire when ordering
  • Actual achievable lowering depends on specification and axle loads within the approved range
  • A full four-wheel alignment is recommended after installation

Nforcd Experience and Support

We rate the ST X kit highly. We have fitted these coilovers to customer M135i and M140i builds and feedback has been excellent, with a noticeable improvement in turn-in, confidence and overall ride quality alongside the perfect drop. For professional fitting, corner setup advice and alignment, Nforcd in Warwickshire can help. Request a fitting quote via Sales@nforcd.com.

What You Get

  • ST X height-adjustable coilover struts and dampers
  • Performance springs front and rear
  • Adjustable spring perches, bump stops and dust covers
  • Vehicle-specific installation hardware where required

ST X coilovers for BMW 1 Series M135i and M140i F20 F21 are the go-to height adjustable suspension upgrade when you want better handling, a lower stance and everyday usability. Keywords for your search: ST Suspension, ST X coilover kit, BMW M135i coilovers, BMW M140i coilovers, F20 coilovers, F21 coilovers, xDrive coilovers, 2WD coilovers, no EDC, height adjustable suspension, lowering kit BMW 1 Series, performance suspension UK, KW engineered coilovers.