XYZ Racing Street Advanced Coilovers — BMW 3 SERIES G21 (2WD/4WD) 4/6 CYL 2018-2026

The G21 Touring carries more weight over the rear axle than the saloon, and on the standard setup that mass shows up as float through direction changes and body roll that builds a beat too late. The Street Advanced coilover for the BMW 3 Series G21 (2WD/4WD) 4/6 CYL replaces that vagueness with a chassis that tells you what the rear tyres are doing, whether you’re running a four-cylinder 320d estate or the six-cylinder M340i xDrive.

This is XYZ Racing’s mainline street-and-track kit, built for owners who want a car that’s genuinely sharper on a B-road on Saturday and still liveable on the M25 on Monday.

What this coilover does for your 2018-2026 Bmw 3 Series

Ride height drops and stiffens in a way that keeps the G21’s factory-geometry intact rather than fighting it, so camber and roll centre stay sensible instead of degrading into the compromised angles cheap lowering springs create. With 720 damping adjustment positions on tap, you can set the front end firm enough to check the nose-dive under braking that a 4/6-cylinder G21 exhibits with its engine-forward weight bias, then back the rear off a few clicks for motorway compliance. Body control through direction changes tightens noticeably – less of the secondary bounce the stock dampers let through over patched B-road tarmac, more of the car settling immediately after a mid-corner correction. On 4WD xDrive cars, the reduced roll also lets the all-wheel-drive system put power down earlier out of a bend, because the outside tyre isn’t fighting a compressed spring on its own.

About the Street Advanced coilover

XYZ Racing developed the Street Advanced platform over several seasons and validated the damping architecture in competition before folding it into a road-legal product, so the hardware underneath the adjustment knob isn’t a guess. The 720-way damping range is split finely enough that you’re not choosing between "too soft" and "too firm" with nothing in between – increments are small enough to trim ride quality without accidentally re-tuning the whole car. It’s positioned as XYZ’s most popular kit precisely because it doesn’t force a choice between a fast road setup and a track day setup; the adjustment range covers both without swapping parts. Construction follows XYZ’s usual coilover format – height-adjustable body, threaded collars, and a damper valved specifically for the G21 platform rather than a generic strut re-use. For a driver who wants one car that does the school run and a track day weekend without a second set of dampers in the garage, this is the kit XYZ built.

Fitment for the Bmw 3 Series G21 (2WD/4WD) 4/6 CYL (2018-2026)

This kit is built for the BMW 3 Series G21 Touring, chassis code BM108, covering both 2WD and 4WD (xDrive) drivetrain variants across 4-cylinder and 6-cylinder engine options from 2018 to 2026. Confirm your specific drivetrain (2WD or 4WD) and engine configuration against your V5 before ordering, as the damper valving differs between variants.

What buyers also search for

• BMW 3 Series G21 suspension upgrade for road and occasional track use
• BMW G21 Touring coilovers for 4-cylinder and 6-cylinder models
• BMW 3 Series xDrive lowering kit with adjustable damping
• G21 Touring ride height and handling upgrade without a harsh daily ride
• BMW BM108 chassis coilover kit for 2018-2026 models

Spec your G21’s drivetrain and engine variant and configure yours below.