JRZ 12 Series triple adjustable motorsport damper for the BMW M4 GTS F82 (2016-2019). Adds low speed compression bypass to independently adjustable compression and rebound, enabling precise tuning of pitch, roll, and vehicle balance. Features the JRZ 8060 motorsport piston and upgradeable to quad-adjustable with the 50 DA option. Built to order through Meisterschaft Motorsport Engineering, the official U.S. importer of JRZ Suspension. Every set includes expert setup consultation for your BMW.
JRZ 12 Series Coilovers BMW M4 GTS F8X — triple-adjustable motorsport damping built to order in the Netherlands by JRZ Suspension Engineering. Every unit is hand-assembled and dyno-validated before shipping. Browse all JRZ coilovers.
The JRZ 12 Series Coilovers for the BMW M4 GTS deliver triple-adjustable damping with independent high-speed compression, low-speed compression, and rebound control — all built around a precision mono-tube body and remote reservoir. Engineered and assembled by JRZ Suspension Engineering in the Netherlands, the 12 Series gives M4 GTS owners complete authority over the damping curve for serious track work. For a simpler single-adjustable option see the 11 Series, or step up to the race-spec RS PRO or RS PRO3.
The M4 GTS is already a track-focused platform, but the factory damping still leaves performance on the table for drivers chasing competitive lap times. The 12 Series removes that limitation — three independent adjustment dials let you tune high-speed compression for kerb strikes and bumps, low-speed compression for body roll and weight transfer, and rebound for recovery speed. That level of control means one set of dampers covers everything from spirited street driving to competitive time attack.
Every JRZ 12 Series damper is assembled, valved, and dyno-tested by hand at JRZ’s facility in the Netherlands. There is no mass production line — each unit is built to order with tolerances held to the same standard used in GT3 and prototype racing programs. The result is a damper that arrives ready to install with no bleeding, shimming, or break-in required.
This kit fits the 2016–2019 BMW M4 GTS. Ships as a complete four-corner coilover system with your choice of spring package: Street, Street/Track Hybrid, Track, or custom rates to suit your setup.
| DAMPER TYPE | Triple-adjustable (high-speed compression, low-speed compression, rebound) |
| ADJUSTMENTS | High-speed compression, low-speed compression, rebound |
| DESIGN | Mono-tube, remote reservoir |
| FITMENT | BMW M4 GTS F82, 2016–2019 |
| VALVING | Application-specific, dyno-tested |
| SPRING PACKAGE | Street, Street/Track Hybrid, Track, or Custom rates |
| QUICK DISCONNECTS | Front standard |
| FRONT CAMBER PLATES | Available separately |
| REAR TOP MOUNTS | Vehicle-specific |
| INSTALLATION | Direct bolt-on replacement for OEM dampers |
| SERVICE | Fully rebuildable and revalveable at Meisterschaft Motorsport |
| BUILD TIME | 2–4 weeks from order, depending on JRZ production schedule |
Not sure which JRZ series is the right fit for your M4 GTS? Contact us for a no-pressure conversation about your driving goals, spring rate preferences, and setup — we will help you get it right the first time.
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