2021 BMW Z4 Suspension Parts

This table covers the control arms that locate each hub relative to the chassis. Typical signs include clunks over bumps, a wander on the highway, or inner-edge tire wear. Get an alignment after any control-arm work, and inspect the ball joint and bushings that came with the arm. Read more

8 Control Arm parts are listed for the 2021 BMW Z4, from DELPHI, SUSPENSIA and DORMAN. DORMAN 527124 carries the "Popular" badge. All of them fit every engine offered in the 2021 Z4.

This group includes DORMAN 527124, SUSPENSIA X05LA0576 and DELPHI TC4480 and the remaining parts above.

This table covers the bushings pressed into each control arm. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

LEMFÖRDER supplies both parts for the 2021 BMW Z4. All of them fit every engine offered in the 2021 Z4.

Listed part numbers: LEMFÖRDER 4506901 and LEMFÖRDER 4507201.

This table covers the Ride Height sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

3 Ride Height Sensor parts are listed for the 2021 BMW Z4, from ARNOTT, FCS and MONROE. All of them fit every engine offered in the 2021 Z4.

This group includes ARNOTT RH3718, FCS HS008 and MONROE HS10203.

This table covers the shocks and struts that damp wheel motion. Typical signs include a nose that keeps bouncing, cupped tires, or fluid weeping down the body. Replace shocks or struts in axle pairs and renew the mounts if they are torn or collapsed. Read more

12 Shock / Strut parts are listed for the 2021 BMW Z4, from BILSTEIN and SACHS. BILSTEIN 22309631 carries the "Popular" badge.

The Increased Handling/Stability section lists 3 options from BILSTEIN — grouped under the catalog's "Increased Handling/Stability" designation — the notes column spells out what sets them apart. BILSTEIN 24304481 is listed in this group.

In the Original Ride Quality grade, BILSTEIN and SACHS supply 6 parts: grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. A representative part number is BILSTEIN 22309631.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the upper mounts (and bearings) a strut bolts through at the tower. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

This group shows a single part: SACHS 803449.

This table covers the Suspension Conversion kits. Read more

One part is listed for the 2021 BMW Z4 — BILSTEIN 14292408.

This table covers the Suspension kits. Read more

BILSTEIN supplies the 3 Suspension Kit parts for the 2021 BMW Z4. All of them fit every engine offered in the 2021 Z4.

The Adjustable Performance section lists 1 option from BILSTEIN — grouped under the catalog's "Adjustable Performance" designation — the notes column spells out what sets them apart. BILSTEIN 48304498 is listed in this group.

The Increased Handling/Stability section: 1 option from BILSTEIN. BILSTEIN 89312780 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include BILSTEIN 48304498, BILSTEIN 89312780 and BILSTEIN 49304619.

This table covers the links that connect the anti-roll bar to each control arm or strut. Typical signs include a clunk on one wheel over a driveway, or a rattle that goes away when you lean on the bar. Replace links in pairs; a seized stud often takes the bushing with it. Read more

17 Sway Bar Link parts are listed for the 2021 BMW Z4, from MEVOTECH, BECK/ARNLEY, DORMAN and 3 other brands. MEVOTECH MS108186 carries the "Popular" badge.

The Daily Driver section lists 9 options from MEVOTECH, DORMAN, LEMFÖRDER and 1 other brand — grouped for everyday commuting duty. MEVOTECH MS108186 is listed in this group.

In the Economy grade, BECK/ARNLEY, FVP and MEVOTECH supply 8 parts: the catalog's value-priced group. A representative part number is FVP SL14502.