41 12 557 Replacing Luggage Compartment Floor, Middle Section (Tail Panel Removed): Notes

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Read contents of BODY, GENERAL .

STRIP DOWN VEHICLE .

Observe procedure for REPAIR STAGE 2 .

Following new body parts are required:

(1) Mounting, tension strut
(2) Luggage compartment well
(3) Cross-member, luggage compartment floor, rear

Following CONSUMABLES are required:

Fig 1: Identifying Mounting, Tension Strut, Luggage Compartment Well And Cross Member, Luggage Compartment Floor

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Material	Quantity
Adhesive K5b	1
Blind rivets N3	21
EMC screws	6
Cleaning agent R1	1
Sealant D1

Removal of luggage compartment floor

View from below.

Operation is described on the left side. Right side identical.

Open welded connections in area (1).

Fig 2: Identifying Weld Joints Area

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Fig 3: Identifying Weld Joint Area With Severance Cut And Earth Support Point

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Mark severance cut (1) in accordance with dimension and cut.

Measurement a = 20 mm

Open welded connections in area (2).

Remove luggage compartment well and cross-member.

NOTE: Earth support point (3) remains on vehicle.

New part preparation

Mark new luggage compartment well part in accordance with severance cuts on vehicle + 20 mm extra material and cut.

Set down luggage compartment well (1) from above and adjust in combination with cross-member (2) and tail panel to fit and secure.

Set 14 4.2 mm dia. holes for blind rivets in area (3).

Fig 4: Identifying Luggage Compartment Well, Cross-Member And Blind Rivets Holes Area

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Set three 4.2 mm dia. holes for blind rivets in area (1).

Set four 4.2 mm dia. holes for blind rivets in areas (2).

Set holes for blind rivets with adjusted tail panel in area (3).

Fig 5: Identifying Blind Rivets Holes Area

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View from below.

Adjust tension strut mounting (1) with mounted torsion struts (2) to fit and secure.

Set twenty one 4.2 mm Ø holes for blind rivets in adhesive flange area.

Remove all new parts again and deburr holes.

NOTE: 6 holes are sufficient for positioning the component.

Make all further holes for blind rivets if necessary on removed components.

Fig 6: Identifying Tension Strut Mounting And Mounted Torsion Struts

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

Installation of luggage compartment floor:

Clean all bonding surfaces (1) with cleaning agent R1.

Apply adhesive to bonding surfaces (1).

Rivet tension strut mounting (2) and luggage compartment well (3) with blind rivets N3.

Fig 7: Identifying Luggage Compartment Well, Tension Strut Mounting And Bonding Surfaces

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Clean all bonding surfaces (1) on new part and on vehicle with cleaning agent R1!

Apply adhesive to bonding surfaces.

Fig 8: Identifying Bonding Surfaces

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Fit luggage compartment well (2) and rivet in area (1) with blind rivets N3.

Fig 9: Identifying Luggage Compartment Well And Rivet Area

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Installation of cross-member:

Clean all bonding surfaces on new part and on vehicle with cleaning agent R1.

Apply adhesive to bonding surfaces.

Fig 10: Identifying Bonding Surfaces

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Install cross-member and rivet in area (1) with blind rivets.

Rivet cross-member in combination with tail panel in area (2).

IMPORTANT: When installing the cross-member, make sure there is sufficient adhesive on the bonding surfaces.

Fig 11: Identifying Cross-Member And Tail Panel Rivet Area

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After adhesive has hardened in the shown areas (1) install 2 EMC SCREWS .

Fig 12: Identifying Adhesive Hardened Area

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In areas (1), install 4 EMC screws.

Fig 13: Identifying EMC Screws Installation Area

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