Replacing Luggage Compartment Floor And Right Side Member (Right Side Panel And Tail Panel Removed) (M4 Coupe)

Read contents of BODY, GENERAL .

STRIP DOWN VEHICLE .

Place vehicle on straightening bench.

Observe procedure of REPAIR STAGE 3 .

The following new parts are required (see applicable BMW Parts Catalog):

(1) Luggage compartment well
(2) Luggage compartment floor, rear
(3) Luggage compartment well, right
(4) Bottom right side member
(5) Frame side member, top right
(6) Luggage compartment floor, right

Following CONSUMABLES are required:

Courtesy of BMW OF NORTH AMERICA, INC.

Material	Quantity
Adhesive K5a	2
Blind rivet N3	11
Blind rivet N6	8
EMC screw	4
Cleaning agent R1	1
Sealant	D1

Removal:

Open welded connections in area (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) next to reinforcement (2) and disconnect.

Open welded connections in area (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Remove the luggage compartment floor.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Mark and cut severance cut (1) through Ø 20 mm hole.

Cut side member.

Mark severance cut (2) through elongated hole for MAG weld seam and cut.

IMPORTANT: Cut outer panel only.

Open welded connections in areas (3).

Remove side member.

Preparation of new part:

Mark severance cuts on side member in accordance with severance cuts on vehicle and cut.

Mark severance cut on luggage compartment floor in accordance with severance cut on vehicle + 15 mm for extra material and cut.

Prepare for severance cuts on the side member REINFORCEMENT PLATES .

Adjust new parts with alignment bracket or universal mount and in conjunction with side wall and tail panel and secure.

Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), set bore holes ø 4.2 mm for blind rivet.

Area	Number
1	5
2	6
3	4 of

Remove new parts and deburr bore holes.

IMPORTANT: Do not grind new parts and body in area of bonding surfaces.

Installation of side member and luggage compartment well:

Install new parts and reinforcement plates with alignment bracket or universal mount and weld analogue to series standard:

Extension, bottom side member
Extension, top side member
Luggage compartment well, left
Luggage compartment well

Installation of right luggage compartment floor:

Install new part and weld in area (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation of rear luggage compartment floor:

Clean all bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

When installing the new part, make sure that all bonding surfaces have sufficient adhesive.

Courtesy of BMW OF NORTH AMERICA, INC.

Install new part and rivet with blind rivets.

Area	Number	Remarks
1	5	Blind rivet N3
2	6	Blind rivet N3
3	4 of	Blind rivet N6

Courtesy of BMW OF NORTH AMERICA, INC.

After hardening of the adhesive install 4 EMC SCREWS in the areas shown (1).