
XYZ Racing Street Advanced Coilovers — Mini COOPER S (F55) 2014-2026
SKU: F55-SA
- IncludesFull set of 4 (front + rear)
- Spring rate (F/R)16 / 3 kg/mm
- Top mountPillow ball + rubber / Hardened rubber / OE (factory) mount
- Lead time10–15 working days
Fits Mini COOPER S (F55) (2014-2026) chassis F55
Added to basket ✓

The F55 Cooper S carries most of its mass over the front axle and rides on a deliberately firm, short-travel factory setup – sharp on turn-in, but unforgiving when a broken B-road surface or a string of track laps starts loading the chassis. The XYZ Racing Street Advanced coilover for the Mini Cooper S (F55) goes straight at that trade-off, handing you ride height and damping control the standard struts were never built to give.
Street Advanced is pitched exactly where most F55 owners actually drive: a turbocharged five-door used on real roads through the week and taken to the occasional track day. With 720 damping adjustment positions to work through, you can wind the kit back for a long motorway stint and firm it up when you want tighter body control on a favourite road.
What this coilover does for your 2014-2026 Mini Cooper S (F55)
Drop the F55 onto a sensible ride height and the first thing you feel is a lower centre of gravity working with the longer five-door wheelbase to settle the car mid-corner. The damping range lets you take the brittle, run-flat-amplified edge off the standard ride without turning the Cooper S into a wallowy cruiser. Firm the adjustment up and the nose-led understeer that this front-drive platform leans on under power becomes easier to manage, with the front tyres staying planted as you feed the turbo torque back in. You also get the stance most owners want – a tidy, even gap front to rear rather than the factory arch gap – without the bump-steer penalty of crude lowering springs.
About the Street Advanced coilover
The Street Advanced is XYZ Racing’s most popular kit, refined over several years by the company’s own engineering team and shaken down in international competition before reaching production. It is built specifically for cars that split their life between normal road use and track days, rather than chasing one extreme at the expense of the other. The headline feature is its 720-way damping adjustment, set through a single accessible knob so bump and rebound move together as you dial the car between comfort and control. Height is set independently of damper travel, so you keep usable suspension stroke instead of compromising it to gain ride height. XYZ position this as essential equipment for drivers chasing both speed and composure, and the breadth of that adjustment range is what lets one kit cover a commute and a circuit.
Fitment for the Mini Cooper S (F55) (2014-2026)
This kit is built for the F55 chassis Mini Cooper S across the full 2014-2026 production span. It suits the five-door bodyshell specifically, matching its strut mounting points and ride-height geometry. Confirm your exact build year against the configurator before ordering.
What buyers also search for
- Mini Cooper S F55 coilover upgrade for road and occasional track use
- F55 Cooper S suspension that softens the firm run-flat ride without going soft
- 720-way adjustable damping for the Mini Cooper S five-door
- Lowering kit to close the F55 arch gap while keeping suspension travel
- Mini Cooper S F55 handling upgrade to manage front-axle push under power
Set your ride height and damping target, then configure your Street Advanced kit for the F55 below.
After tested in famous worldwide races, it reaches the ultimate quality and performance.
Street Advance is made especially for normal road use or track day. It comes with 720 damping adjusting way to satisfy your request. It is indispensable equipment for drivers aspiring speed and controlling.
Top mounts included with your kit
Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.
Pillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
Hardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
OE (factory) mountOERetains the OEM (factory) upper mount — preserves the original ride comfort, noise and vibration behaviour for a stock-like feel.
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