41 12 700 Replacing Luggage Compartment Floor And Side Member On Left (Left Side Wall And Tail Panel Removed)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Read contents of BODY, GENERAL .

STRIP DOWN VEHICLE

Place vehicle on straightening bench.

Follow procedures for REPAIR STAGE 3 .

The following new body parts are required:

(1) Luggage compartment well
(2) Luggage compartment floor, rear
(3) Luggage compartment well, left
(4) Frame side member, top left
(5) Side member, bottom left
(6) Luggage compartment floor, left section

Fig 1: Identifying Luggage Compartment Well, Floor And Side Members
Courtesy of BMW OF NORTH AMERICA, INC.

The following consumables are required:

Material	Quantity
Adhesive K5a	2
Blind rivet N3	20
Punch rivetN4	2
Blind rivet N6	8
EMC screw	7
Cleaning agent R1	1
Sealant D1

Removal:

Open welded connections in area (1).

Fig 2: Locating Welded Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Fig 3: Locating Welded Connections

Courtesy of BMW OF NORTH AMERICA, INC.

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

Open welded connections in area (3).

Fig 4: Identifying Cutting Line And Welded Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Fig 5: Identifying Welded Connections

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Open welded connections in area (1).

Remove the luggage compartment floor.

NOTE: Shown without D-pillar inner panel for purposes of clarity.

Fig 6: Locating Welded Connections

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.

Fig 7: Identifying Cutting Lines And Welded Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part:

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

For all severance cuts on side members, prepare REINFORCEMENT PLATES .

Mark severance cut at luggage compartment floor in accordance with severance cut on vehicle + 15 mm extra material and cut (1).

Set 4 4.2 mm Ø bore holes in area (2).

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

Fig 8: Identifying Cutting Line And Area For Setting Bore Holes

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In areas (1) to (3), set Ø 4.2 mm bore holes for blind rivet N3.

Area	Number
1	2
2	3
3	4

If necessary, mark bore holes in area (3) on body and create after removal of new part.

Fig 9: Identifying Areas For Setting Blind Rivet Bore Holes

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Shown without side panel, tail panel and inner panel of D-pillar for better overview.

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

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

Fig 10: Identifying Areas For Setting Blind Rivet Bore Holes

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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

Fig 11: Identifying Side Member Extensions And Luggage Compartment Wells
Courtesy of BMW OF NORTH AMERICA, INC.