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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 391 (Rear Axle - Repair) >> Springs With Suspension >> 33 53 000 Removing and installing/replacing rear left or right coil spring

33 53 000 Removing and installing/replacing rear left or right coil spring

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

NOTE: Use spring tensioner 33 5 100 to remove and install the coil spring in order to avoid overelongating the rubber mounts (wishbone, control arm, swinging arm).
IMPORTANT: Both coil springs on the relevant axle must be replaced in the event of corrosion breakage.
The spring pads at the top and bottom must also be renewed when replacing the coil springs.
Avoid damaging the coil spring coating.
WARNING: Before using the special tool 33 5 100 take care to read through the Owner's Handbook!
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!
IMPORTANT:
  1. Prior to each use, check the special tools for defects, modifications and operational reliability.
  2. Damaged/modified special tools must not be used!
  3. No changes or modifications may be made to the special tools!
  4. These special tools are intended solely for the purpose of tightening and relieving cylindrical and tapered suspension springs.
  5. Keep special tools dry, clean and (down to the spindle) free from grease.
  6. Impact screwdrivers are prohibited!
  7. Do not compress coil spring to full extent.

Installation note: 

  1. All screws, nuts, bolts and hose clamps removed during the repair must be replaced.
  2. Retaining elements on chassis and suspension and steering parts must be replaced.

Necessary preliminary tasks: 

Removal: 

Lever conical cover (1) with a suitable tool out of lower spring pad.

Fig 1: Identifying Conical Cover
G04794657Courtesy of BMW OF NORTH AMERICA, INC.

Feed spindle 33 5 103 into coil spring and turn synchronizing key 33 5 104 downwards.

Fig 2: Feeding Spindle (33 5 103) Into Coil Spring
G04794658Courtesy of BMW OF NORTH AMERICA, INC.

Insert lower spring cup 33 5 102 into coil spring and turn downwards over spindle 33 5 103 .

Fig 3: Inserting Lower Spring Cup (33 5 102) Into Coil Spring
G04794659Courtesy of BMW OF NORTH AMERICA, INC.

Insert upper spring cup 33 5 101 sideways into coil spring and turn fully upwards.

WARNING: Danger of injury!
Align spring tensioner 33 5 100 centrally in order to obtain the largest possible contact surface on the coil spring.
Make sure hexagon cap (1) is correctly seated in upper spring cup 33 5 101 .
Fig 4: Inserting Upper Spring Cup (33 5 101)
G04794660Courtesy of BMW OF NORTH AMERICA, INC.
WARNING: Danger of injury!
Make sure coil spring is correctly positioned in spring cups.
Fig 5: Identifying Spring Cups Position
G04726549Courtesy of BMW OF NORTH AMERICA, INC.
WARNING: Danger of injury!
Make sure detent pin (1) is correctly positioned in recesses of lower spring cup 33 5 102 .
Fig 6: Removing Lower Spring Cup
G04794662Courtesy of BMW OF NORTH AMERICA, INC.

Check installation position of spring tensioner 33 5 100 , correcting if necessary.

NOTE: Make sure there is sufficient clearance (A = 7 cm) between spindle 33 5 103 and lower spring pad.

Tension coil spring using special tool 33 5 105 ; if necessary, grip coil spring.

Fig 7: Identifying Spring Tensioner Installation Position
G04794663Courtesy of BMW OF NORTH AMERICA, INC.

Turn coil spring through A = 30° in clockwise direction.

Press wheel carrier downwards a little and remove coil spring sideways.

Fig 8: Removing Coil Spring
G04794664Courtesy of BMW OF NORTH AMERICA, INC.

Remove upper spring pad (1) from coil spring, check for damage and replace if necessary.

If necessary, relieve tension on coil spring.

Fig 9: Identifying Upper Spring Pad
G04794665Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check lower spring pad (1) for damage.

IMPORTANT: Make sure spring pad is correctly installed in order to prevent the coil spring from jumping out.

If necessary, lever out upper part (2) with a suitable tool and replace spring pad with upper part.

Fig 10: Identifying Spring Pad And Lever Upper Section
G04794632Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Make sure spring pad is correctly installed in order to prevent the coil spring from jumping out.

Install upper spring pad (1) in locator or frame side member and turn clockwise as far as it will go.

Fig 11: Identifying Upper Spring Pad
G04794667Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Make sure coil spring is correctly seated in spring pads.

Insert coil spring with spring tensioner 33 5 100 between upper and lower spring pads and relieve tension.

Relieve tension on spring tensioner 33 5 100 and remove.

Fig 12: Inserting Coil Spring
G04794668Courtesy of BMW OF NORTH AMERICA, INC.

After installation: