31 33 100 Replacing front left or right coil spring
Special tools required:
- 31 3 340
- 2 240 487
- 2 412 607
- 2 240 490
Attention!
Both coil springs on the relevant axle must be replaced only in the event of a breakage due to corrosion!
The coil spring is allocated in the applicable BMW parts catalogue under the menu item "Spring table" after the vehicle identification number has been entered and the optional equipment of the respective car has been selected!
All the safety precautions and instructions contained in the Owner's Handbook must be strictly observed!
Failure to observe these safety precautions and instructions increases the risk of serious physical injury, damage to your health and damage to property and equipment!
Attention!
- Use only the BMW approved special tool!
- Prior to each use, check the special tools for defects, modifications and operational reliability
- Damaged/modified special tools must not be used!
- No changes or modifications may be made to the special tools!
- These special tools are intended solely for the purpose of tightening and relieving cylindrical and tapered suspension springs.
- Keep special tools dry, clean and (down to the spindle) free from grease.
- Impact screwdrivers are prohibited!
- Do not compress coil spring to full extent.
Installation note:
- All screws, nuts, bolts and hose clamps removed during the repair must be replaced.
- Mounting elements on parts of the chassis and suspension and steering must be replaced.
Necessary preliminary work:
- Remove the FRONT SPRING STRUT .
Relieve tension on coil spring.
Release special tool 2 240 487 .
Take out the coil spring with protective tube and support bearing.
Installation note:
Check support bearing and protective tube for damage, replace if necessary.
Installation note:
The flattened end (1) of the spring is placed onto the support bearing.
Always use the pressure plate 2 240 487 with the protective insert 2 412 607 .
Attention!
Do not compress coil spring to full extent.
The gummed side of the pressure plate 2 240 487 is fitted against the top springcoil!
Position the coil spring:
- Insert the coil spring with protective tube and support bearing.
- Assemble the pressure plate 2 240 487 with screws 2 240 490 .
- Position the spring so that the end of the spring (1) protrudes by 40 mm beyond the pressure plate 2 240 487 .
- Tighten the screws 2 240 490
evenly at 8 Nm.
Attention!
The pressure plate 2 240 487 must be aligned parallel with the top spring coil (1)!
Tension coil spring.
Further assembly:
Refer to: REPLACING THE FRONT LEFT OR RIGHT SPRING STRUT
After installation:
- Check the HEADLIGHT ADJUSTMENT , correct if necessary.