51 31 200 Removing and installing/replacing rear window

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.

Special tools required:

IMPORTANT: The "INSTRUCTIONS ON CEMENTING WINDSCREEN " serve as the basis for this repair instruction and must be observed without fail.

Cover rear side panels with protective covers.

When reusing the rear window:

Do not damage plug soldering tags for heated rear window.

Necessary preliminary tasks:

Remove ROOFLINER FOR ROOF SHELL

NOTE: Removal is performed with ROLL OUT 2000 .

Tape off entire roof shell aperture with fabric adhesive tape (paint coat must not be damaged)
All attachment parts must not be damaged

Move rear roof shell (1) forwards until... (see next operation)

Fig 1: Moving Rear Roof Shell

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... frame (1) can be engaged in openings (2) on left and right with a suitable tool.

Fig 2: Identifying Frame And Openings

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Disconnect heated rear window plug connections (1) on left and right.

Fig 3: Identifying Heated Rear Window Plug Connections

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IMPORTANT: Tape off body area at piercing point (1) with fabric adhesive tape (risk of damage).

Push wire starter from ROLL OUT 2000 at line (1) through adhesive bead.

Cut out rear window with ROLL OUT 2000 .

Lift out rear window with special tool 51 3 010 .

Fig 4: Cutting Out Rear Window With Wire Starter From Roll Out 2000

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Installation:

Bond rear window with hardtop closed.

Fitting 6 spacer buffers:

Fig 5: Identifying Upper And Lower Spacer Buffers Positioning

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IMPORTANT: To avoid rear window breakage and leaks, remove remnants of removed spacer buffers (1).

Position new spacer buffers (1) outside adhesive bead.

Only the following spacer buffers (1) may be used:

Dia. 9.5 mm and 3.8 mm high

Apply dimensions to right window half in mirror-inverted fashion
All dimensions in mm
X ₀ =	550	Y ₀ =	Window center
X ₁ =	380	Y ₁ =	6
X ₂ =	165	Y ₂ =	35

Y ₁ = applicable to all upper spacer buffers (1)

Y ₂ = applicable to all lower spacer buffers (1)

Overview of bonding agent application (primer):

Apply bonding agent in marked area (1), but not beyond the ceramic glass screen print.

NOTE: Otherwise wipe again straight away with a fluff-free cloth.

Fig 6: Identifying Bonding Agent Applying Area (Marked Area)

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Overview of adhesive bead trace, top and side:

Adhesive bead trace (1) runs inside clinch points (2).

Adhesive bead trace

A = 7 ⁺² mm (width, adhesive bead trace)

B = 7 ⁺¹ mm (height, adhesive bead trace)

Fig 7: Identifying Adhesive Bead Trace (Top And Side)

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Overview of adhesive bead trace, bottom:

Adhesive bead trace (1) runs in sheet recess of cross-member (2).

Spread bead joint (3) with special tool 00 9 322 .

Adhesive bead trace

A = 7 ⁺² mm (width, adhesive bead trace)

B = 7 ⁺¹ mm (height, adhesive bead trace)

Fig 8: Identifying Adhesive Bead Trace (Bottom)

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Attach special tool 51 3 010 twice to tool trolley. Moisten suction surfaces and secure rear window from outside.

If reusing the removed rear window, remove the adhesive residue with a blunt scraper or knife.

Observe treatment of adhesive area in body aperture and on rear window, see INSTRUCTIONS ON WINDOW CEMENTING

Position and width of bead joint:

Overlapping and closed
Not visible from outside and inside
The contact point becomes noticeable through an increase in the adhesive volume (approx. 1.5 - 2 x bead width after crushing).
Position adhesive bead only where the glass ceramic material offers a sufficient overlap and the body flange offers sufficient space.
The adhesive bead is not permitted in the window radii and in the cowl panel area

NOTE: Adhesive area for plastic adhesive tapes (1) must be free from grease and dust.

Stick two yellow plastic adhesive tapes (1) to roof at distance (A) from outside corners.

Length: 400 mm

A = 150 mm

Fig 9: Identifying Plastic Adhesive Tapes Position On Roof

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Gap dimensions:

A = Center rear window (2) to roof shell (1) laterally.

B = Rear window (2) to trim strip, soft top compartment lid (3), see 41 00... BODY GAP DIMENSIONS .

Fig 10: Identifying Gap Dimension For Center Rear Window To Roof Shell

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Checking pre-tension on rear window:

In order to avoid wind noises, rear window (1) must be lower than roof outer skin (2).

Position special tool 51 0 010 in middle of vehicle depending on measurement (A) and check underprotrusion of rear window (1).

A = 2 mm

X = measurement stages 1... 4 mm

Fig 11: Checking Pre-Tension On Rear Window Using Special Tool (51 0 010)

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Installation:

Underprotrusion dimension "A" is decreased by approx. 4 mm continuously from window center to window edge on left and right.