41 21 201 Replacing B-pillar with reinforcement on left

WARNING: This page is about a different car, the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Observe procedure for REPAIR STAGE 3 .

Read contents of BODY, GENERAL .

Use only an approved SPOT WELDER for repairs!

Place vehicle on straightening bench.

The following new parts are required:

Side frame, outer
Middle side frame
Reinforcement plate, sill

Fig 1: Outer Side Frame, Middle Side Frame And Sill Reinforcement Plate

Courtesy of BMW OF NORTH AMERICA, INC.

Removal:

Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Cut outer panel only for following severance cuts.

Dimension "a" = approx. 145 mm after center point of 25 mm dia. hole.

Dimension "b" = approx. 85 mm before center point of 25 mm dia. hole.

Dimension "c" = approx. 90 mm below center point of 8 mm dia. hole.

Open welded connections in areas (1).

Release B-pillar from cavity sealings (2) and remove.

Fig 2: Severance Cuts, Welded Connections Areas, And Cavity Sealings

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut in accordance with specified Dimension "and cut.

IMPORTANT: Cut outer panel only.

Dimension "a" = approx. 90 mm below previous severance cut.

Open welded connections in areas (1) and (2).

Remove B-pillar reinforcement.

NOTE: Open welded connection for both outer panels in area (2). Do not damage the third panel that is located behind it.

Fig 3: Severance Cut And Welded Connections Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part:

Carry out the severance cuts on the new parts according to the severance cut on the vehicle.

Prepare REINFORCEMENT PLATES at severance cuts.

Take out superfluous components from the new parts.

B-pillar reinforcement: Make 15 x 8 mm recesses for MAG weld seams in areas (1).

Prepare the new part in the lower area for plug-weld. Take the positions of the plug spot welded connections from the series part and transfer them to the new part.

Adjust new parts and reinforcements plates with alignment bracket or universal mount.

NOTE: When adjusting the new part, the panel thickness of the missing B-pillar outer skin must be taken into consideration depending on the straightening system manufacturer.

Fig 4: MAG Weld Seam Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install new part and reinforcement plate with alignment bracket or universal fixture and weld in designated areas (1).

Fig 5: Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: When installing the new part, the panel thickness of the missing B-pillar outer skin must be taken into consideration depending on the straightening system manufacturer.

Coat CAVITY SEALINGS (1) with sealant.

Install new part and reinforcement plate and weld in area (2).

Fig 6: Cavity Sealings Welded Connections Areas

Courtesy of BMW OF NORTH AMERICA, INC.