KW Street Comfort Coilovers for BMW 1 Series M135i and M140i F20 F21 xDrive 4WD, without electronic dampers
Transform your BMW M135i or M140i ride quality with KW Street Comfort coilovers. This height adjustable, rebound adjustable coilover kit is engineered for daily-driven comfort with genuine handling precision. Perfect for F20 and F21 1 Series xDrive 4WD models without electronic dampers, the KW Street Comfort delivers a smoother ride on motorways and B-roads while tightening body control and steering response. If your current suspension is too harsh, this is the comfort-first upgrade that still feels fast and composed.
- Fitment: BMW 1 Series M135i and M140i, F20 and F21, xDrive 4WD, without electronic dampers, also known as no EDC, non-adaptive
- Chassis codes: 1K2 and 1K4
- Lowering range: Front 20 to 45 mm, Rear 20 to 45 mm
- Max permitted axle loads: Front 1001 to 1020 kg, Rear up to 1120 kg
Why choose KW Street Comfort for your M135i or M140i
KW Street Comfort coilovers are designed for drivers who want premium ride comfort, less crashiness over rough surfaces and a calmer, more controlled chassis, without giving up the confident handling you expect from a performance BMW. Developed and refined by KW test engineers in extensive real-world testing and on the KW 7-post rig, this kit uses a comfort-oriented damper tune and springs that work together to reduce harshness and improve composure.
Key features and benefits
- Comfort-oriented damper setup that smooths out everyday roads while sharpening control
- 16-click adjustable rebound damping to fine-tune ride comfort and handling balance
- Stainless steel Inox-Line construction for outstanding corrosion resistance and long life
- Precise height adjustment within 20 to 45 mm, front and rear
- Durable trapezoid thread and composite collar for easy adjustment even after years of use
- Improved stability and reduced body movement, ideal for daily commuting, motorway miles and B-road drives
- Adaptable to larger wheel and tyre setups by adjusting rebound to suit
The driving experience
On the road, KW Street Comfort coilovers calm the busy, jarring feel you get from harsh suspension. Increase rebound for more precision and stability, or dial it back for extra plushness. The result is a composed BMW 1 Series that still corners flat and feels confident, but is much easier to live with every day.
Nforcd tested and recommended
We have installed and set up this kit on customer M135i and M140i builds, and the feedback has been consistently positive for ride comfort, quality and confidence. Our team chooses KW Street Comfort for daily-driven BMW 1 Series owners who want a premium suspension upgrade without the punishment.
Fitting and setup
Professional installation and a quality alignment are strongly recommended for the best results. Nforcd offers expert fitting and setup in Warwickshire. Request a quote at Sales@nforcd.com.
Compatibility notes
- For BMW F20 and F21 1 Series M135i and M140i with xDrive 4WD
- For vehicles without electronic dampers, no EDC
- Please ensure your vehicle axle loads are within the stated limits
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