BMW X3 Service & Repair Manual: Replacing left rear side panel

BMW X3 Service & Repair Manual / Body and Frame / Side panels / Replacing left rear side panel

Read contents of BODY, GENERAL.

STRIP DOWN VEHICLE

Procedure OBSERVE repair stage 2! Following new body parts are required :

  • (1) Rear side wall
  • Reinforcement plate, side sill
  • Reinforcement plate, C-pillar
  • Reinforcement plate, D-pillar
  • Mounting nuts

Following CONSUMABLES are required:

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Removing side panel

Mark dimension a for severance cut (1) on D-pillar.

Dimension a = approx. 75 mm from corner of mark (2).

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Mark dimension a for severance cut (1) on D-pillar.

Dimension a = approx. 135 mm from corner of roof frame.

Carry out severance cut (1).

IMPORTANT: Cut outer panel only.

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NOTE: In addition to the dimensions, the position of the separating cut can be determined with a TEMPLATE (1).

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Mark severance cut (1) in accordance with dimension and cut.

Dimension a = approx. 60 mm from center point mounting bore for damper holder.

IMPORTANT: Cut outer panel only.

Severance cut (1) must be partially executed using a belt sander.

Open welded connections in areas (2).

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Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Cut outer panel only.

Compare position of severance cuts with REINFORCEMENT PLATES.

Dimension a = approx. 65 mm before center of 22 mm dia. hole.
Dimension b = approx. 20 mm from sill edge.
Dimension c = approx. 155 mm from side wall component edge.

Open welded connections in areas (1).

Release side wall from cavity sealing (2).

Open welded connections in areas (1).

Take off side wall.

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New part preparation

Mark severance cuts on the new part according to vehicle and cut.

Prepare REINFORCEMENT PLATES (bonded) at all severance cuts.

Mark severance cut (1) in accordance with vehicle and cut.

Mark severance cut (2) at sill edge and cut.

Mark further severance cuts in accordance with vehicle and cut.

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D-pillar water channel severance cut area: Make an additional 2 shims (1) and (2) in the severance cut area.

NOTE: Before installing the side wall:

Coat shim (1) with adhesive and slide in.

Coat shim (2) with adhesive and secure with a punch rivet N4.

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Adjust new part to fit and secure.

Set three 4.2 mm dia. holes for blind rivets in area (1).

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In areas (1) to (4), set 4.2 mm dia. bore holes for blind rivets.

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Remove new part again and deburr bore holes.

IMPORTANT: Do not grind/sand new part in area of bonding surfaces.

Installing side wall

Clean all bonding surfaces on vehicle, on the new part and on the reinforcement plates with cleaning agent R1.

Apply adhesive to reinforcement plates. Install reinforcement plates.

Apply adhesive in areas (1).

Apply sealant to CAVITY ACOUSTIC BAFFLES in areas (2).

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Install side panel with a second person helping.

NOTE: When installing side panel, make sure there is sufficient adhesive on bonding surfaces.

After adjusting side wall to fit, tighten nuts of reinforcement plates.

Align side wall in areas of severance cuts and fix with gripping pliers.

Rivet side wall with blind rivets N3.

In areas (1) to (4) rivet side panel with punch rivets N4.

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Rivet side wall with blind rivets N3.

In areas (1) and (2) rivet side panel with punch rivets N4.

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Once the adhesive has hardened in area (1) and in the area of the side sill, fit one EMC SCREW in each area.

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