Replacing Middle Luggage Compartment Floor (Tail Panel Has Been Removed) (M4 Coupe, M4 Convertible)
Read contents of BODY, GENERAL .
Observe procedure of REPAIR STAGE 3 .
Following new body parts are required (see applicable BMW Parts Catalog):
- (1) Luggage compartment floor, rear
- (2) Luggage compartment well
- (3) Luggage compartment well, left
- (4) Luggage compartment well, right
Following CONSUMABLES are required:
| Material | Quantity |
|---|---|
| Adhesive K5a | 2 |
| Blind rivet N3 | 11 |
| Blind rivet N6 | 8 |
| EMC screws | 4 |
| Cleaning agent R1 | 1 |
| Sealant D1 |
Removal
Operation is described on the left side. Right side identical.
Open welded connections in area (1) and remove luggage compartment floor.
New part preparation
Loosen component not required (cross member) from luggage compartment well.
Prepare the following new parts for joining by welding.
- Luggage compartment well, left
- Luggage compartment well
- Luggage compartment well, right
Adjust new parts to fit and secure.
New part preparation luggage compartment floor, rear
Adjust new part in conjunction with tail panel and secure.
In areas (1) to (3), set 0 4.2 mm bore holes for blind rivets.
| Area | Number | Remarks |
|---|---|---|
| 1 | 5 | Blind rivet N3 |
| 2 | 6 | Blind rivet N3 |
| 3 | 4 of | Blind rivet N6 |
Remove new parts and deburr bore holes.
Installation
Install new parts and weld the same as series
- Luggage compartment well, left
- Luggage compartment well
- Luggage compartment well, right
Installation of luggage compartment floor, rear
Clean all bonding surfaces with cleaning agent R1.
Apply adhesive to bonding surfaces.
Install new part and rivet with blind rivets.
After hardening of the adhesive install 4 EMC SCREWS in areas shown (1).