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Home >> BMW >> 2014 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (COLLISION - BODY PANEL REPAIR (F02) 760Li) >> Support Members >> 41 11 300 Replacing Entrance With Door Post, Left And Right (Partial Replacement, B-Pillar) >> Removing entrance cover with door post

Removing entrance cover with door post

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Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Cut outer panel only for following severance cuts.

Measurement a = approx. 270 mm from center point of 25 mm dia. hole.

Dimension b = approx. 140 mm after cut a.

Measurement c = approx. 100 mm from roof edge.

Measurement d = approx. 80 mm below cut c.

Measurement e = approx. 40 mm from center-point of 25 mm dia. hole.

OPEN  spot-welded adhesive joints in areas (1).

Open welded connections in areas (2).

NOTE: Cut-out metal sections (3) and (4) are required again for sealing.
Fig 1: Identifying Entrance Cover With Door Post And Cutting Dimensions
G08471214Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut in accordance with specified dimension and cut.

IMPORTANT: Cut outer metal plate only for following severance cut.

Measurement a = approx. 340 mm from center point of 25 mm dia. hole.

Open welded connections in area (1).

Installation note: 

Apply repair welding spots in area (1) to existing welding spots on new part / vehicle.

Fig 2: Identifying Welding Spots Repair Area
G08471215Courtesy of BMW OF NORTH AMERICA, INC.

This is necessary because the adhesive between the spot flanges acts as an insulator.

Open welded connections in areas (1).

Perform severance cut (2) according to illustration.

Tilt metal section (3) forwards to gain access to the 4 weld joints underneath.

Open the 4 weld joints.

Installation note: 

Apply repair welding spots in area (1) to existing welding spots on new part / vehicle.

Fig 3: Identifying Welded Connections Areas, Severance Cut And Severance Cut
G08471216Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Open spot-welded adhesive joints in area (1)
Open welding spots from outside. Do not damage inside panel!

Open bonded connection in area (2).

Fig 4: Identifying Spot-Welded Adhesive Joints Area And Bonded Connection Area
G08471217Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut in accordance with specified dimension and cut.

IMPORTANT: Cut outer metal plate only for following severance cut.

Dimension a =140 mm from the edge of roof frame.

Open weld joint (1).

Remove cover for side member with B-pillar.

Fig 5: Identifying B-Pillar Weld Joint
G08471218Courtesy of BMW OF NORTH AMERICA, INC.

New part preparation 

Mark severance cuts on B-pillar in accordance with severance cuts on the vehicle and cut.

IMPORTANT: Do not cut through support (3) for B-pillar reinforcement.
  1. (2) B-pillar reinforcement outer skin
  2. (1) B-pillar outer skin
    Fig 6: Identifying B-pillar Reinforcement Support, B-Pillar Reinforcement Outer Skin And B-Pillar Outer Skin
    G08471219Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) and other severance cuts according to the severance cuts on the vehicle and cut.

Partially release metal section (2) as described in removal and tilt forwards.

Open weld joints in area (3) and remove cover for side member (4).

Prepare REINFORCEMENT PLATES  at severance cuts.

NOTE: After welding in new part, tilt metal section (2) closed again and weld up.
Fig 7: Identifying Severance Cut, Metal Section, Weld Joints Area And Cover Side Member
G08471220Courtesy of BMW OF NORTH AMERICA, INC.

Set 3 6.8 mm Ø bore holes for blind rivets in area (1). Drill from passenger compartment.

Fig 8: Identifying Blind Rivets Area And Metal Section
G08471221Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Structure bonding! 
OBSERVE  preparation of bonding surfaces (1).

Adjust new part to fit with set of attachments or universal mount.

Fig 9: Identifying Bonding Surfaces
G08471222Courtesy of BMW OF NORTH AMERICA, INC.