Replacing the coil spring
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly
.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... RAISE THE VEHICLE USING A VEHICLE LIFT .
WARNING:
Spring preload
.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Secure the coil spring with special tool 2 213 022 (31 3 340) .
- Use special tool as per Owner's Manual and always observe the safety instructions.
CAUTION:
Spring preload
.
Injury hazard!
Injury hazard!
- The use of the specified special tool (tool) is mandatory.
- Carry out the described steps properly.
NOTE:
TECHNICAL INFORMATION
Perform wheel alignment after installation.
Perform wheel alignment after installation.
Preliminary work
- Refer to THE INFORMATION ON THE CARBON CERAMIC BRAKE .
- Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT OR RIGHT .
- Refer to REMOVING THE SIDE HOOD SEAL .
- Refer to REMOVING THE FRONT LEFT WHEEL .
- Refer to LOOSENING THE OUTPUT SHAFT FROM THE WHEEL BEARING .
- Refer to RELEASING THE WISHBONE, TENSION STRUT AND TIE ROD END FROM THE SWIVEL BEARING .
- Refer to RELEASING THE FRONT BRAKE CALIPER .
- Refer to RELEASING THE WHEEL SPEED SENSOR FROM THE SWIVEL BEARING .
- Refer to REMOVING FRONT BRAKE DISC .
- Refer to DETACHING THE ANTI-ROLL BAR LINK FROM THE SPRING STRUT .
- Refer to REMOVING SPRING STRUT .
- Refer to REMOVING SWIVEL BEARING .
- Refer to PREPARING THE SPRING TENSIONER .
- Refer to TENSIONING THE COIL SPRING .
- Refer to REMOVING THE SPRING STRUT SUPPORT BEARING .
- Relieve the special tool 2 213 022 (31 3 340) and the coil spring (1).
- Replace the coil spring.
Parts: Coil spring
The lower coil spring end is marked with the sticker (1).
- Adjust the special tool 2 213 022 (31 3 340)
to dimension (A).
Dimension (A) = 100 mm
- Pick up the coil spring (1) with the special tool 2 213 022 (31 3 340)
. Align the lower coil spring end
vertically upwards while doing so.
Make sure that the coils of the coil spring are completely in the recesses of the pressure plates.
- Tension the coil spring (1) until the dimension (A) is reached at the special tool 2 213 022 (31 3 340)
.
Dimension (A) = 5 mm
The dimension (A) must not be undershot.
- Check the spring strut support bearing (1), protective tube (2), auxiliary damper (3) and the spring pad (4) for damage and replace if necessary.
- Position the shock absorber (1) in the tensioned coil spring (2).
- Align the shock absorber with the spring pad with the lower coil spring end (1) up to the stop.
Follow-up work
- Refer to INSTALLING THE SPRING STRUT SUPPORT BEARING .
- Refer to RELIEVING TENSIONING ON COIL SPRING .
- Refer to INSTALLING THE SWIVEL BEARING .
- Refer to INSTALLING THE SPRING STRUT .
- Refer to FASTENING THE ANTI-ROLL BAR LINK TO THE SPRING STRUT .
- Refer to INSTALLING FRONT BRAKE DISK .
- Refer to FASTENING THE WHEEL SPEED SENSOR ON SWIVEL BEARING .
- Refer to FASTENING FRONT BRAKE CALIPER .
- Refer to ATTACHING THE WISHBONE, TENSION STRUT AND TIE ROD END ON THE SWIVEL BEARING .
- Refer to FASTENING THE OUTPUT SHAFT ON THE WHEEL BEARING .
- Refer to ATTACHING THE FRONT LEFT WHEEL .
- Refer to INSTALLING THE SIDE HOOD SEAL .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT OR RIGHT .
- Refer to PERFORMING CHASSIS ALIGNMENT CHECK .