Stripping Operations - Replacing Luggage Compartment Floor And Left Side Member (Rear Side Panel And Tail Panel Removed) (M4 Convertible)

NOTE: Owing to the different engine variants and equipment specifications, not all the components are taken into consideration.

The following list basically represents the removal sequence.

Remove exhaust system (job number: petrol engine 18 00 020, diesel engine 18 00 018)
Remove exhaust system heat shield
Remove rear axle support (job number: 33 31 000)

Release plug connections (1) from facing (4).

Lever out expanding rivet (2).

Release nuts (3) and remove facing (4).

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Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) and move holder (2) forwards.

Release wiring harness at attachment point (3) and tie up forwards.

Release insulating mat (4) and tie forwards.

Release latch mechanisms and remove rear ventilation (5).

Installation note:

The rear ventilation must not be damaged! (watertightness).

All latch mechanisms must engage audibly.

Remove sound insulators (1) and (2).

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Release screw fitting (1) and detach torsion cover (2).

Tightening torque 5171 GASKETS AND LOOSE BODY PARTS .

Release screw fitting and remove holder (3).

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Courtesy of BMW OF NORTH AMERICA, INC.

Cut open cable strap (1). Release wiring harness and hydraulic lines from cable clip (2).

IMPORTANT: When installing, the wiring harness and the hydraulic lines must be laid exactly as in production, and attached by cable straps!

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Release nut (1) for ground cable.

Tightening torque 41 34 TAIL COWLING .

Cut open cable strap (2).

Release wiring harness at attachment point (3).

Release wiring harness and hydraulic lines from cable clip (4).

IMPORTANT: When installing, the wiring harness and the hydraulic lines must be laid exactly as in production, and attached by cable straps!

Remove hydraulic unit (1) from inserter (2) and move forwards.

Remove control units from inserter (2) and move forwards. Remove inserter (2).

Remove heat shield (3).

IMPORTANT: Handle hydraulic unit and hydraulic lines with care!

The hydraulic lines must not be kinked, crushed or crossed.

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When installing, the hydraulic lines must be laid exactly as in production.

Left and right side of vehicle:

Release nut (1) and remove holder (2).

Tightening torque 41 34 TAIL COWLING .

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Slacken nut (1).

Release cable clip (4) at catches (3) and lift.

Cut through cable clip (4) at areas (2) and remove.

IMPORTANT: To avoid rattling, when installing the cable clip (4) must be bonded with the side member at the separation points. Use body sealant as adhesive.

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Cut through cable clip (1) at areas (2).

Release catches (3) and remove cable clip (1).

IMPORTANT: To avoid rattling, when installing the cable clip (1) must be bonded with the side member at the separation points. Use body sealant as adhesive.

Courtesy of BMW OF NORTH AMERICA, INC.