51 71 406 Removing and installing/replacing rear spoiler (Z3 Coupe, M Coupe): Installation:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Tightening Torque, 6 Nm.

Raise rear spoiler at bottom slightly; with a scalpel (1) for heavy-duty applications, cut through four gluing points.

Fig 1: View Of Scalpel

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Feed out cable (1) for auxiliary brake light and remove rear spoiler (2).

Fig 2: Removing Rear Spoiler

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If reusing the rear window (2), immediately prior to installation:

Remove residual adhesive (1) on rear window (2) with a heavy-duty scalpel at four gluing points (1) to approx. 0.5 mm.

Fig 3: Removing Residual Adhesive

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CAUTION: Clean freshly cut residual bead with spirit only, under no circumstances use Sika bonding agent 205/5 or BMW Cleaner.

If reusing the rear spoiler (1), immediately prior to installation:

Remove residual adhesive (2) on rear spoiler (1) with a scalpel for heavy-duty applications at four gluing points (2) to approx. 0.5 mm.

Fig 4: Removing Residual Adhesive On Rear Spoiler

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CAUTION: Clean freshly cut residual bead with spirit only, under no circumstances use Sika bonding agent 205/5 or BMW Cleaner.

In event of a new rear window (2) or complete removal of residual adhesive:

Position rear spoiler on rear window and mark adhesive area with crepe tape.

Fig 5: Identifying Rear Window Marked Areas

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Treat rear window (2) at marked areas (1) with BMW-approved materials (repair kit, sourcing reference: BMW Parts Service), refer to 51 71... REAR SPOILER GLUING INSTRUCTIONS .

NOTE: Note ventilation time!

Cut nozzle:

(A) 3mm

Fig 6: Cutting Nozzle Tip

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NOTE: For an even application of adhesive bead:
Use a cartridge gun (operated pneumatically or electrically, sourcing reference: BMW Parts Service).
Check expiry date of glue!
If necessary, apply a test bead before gluing.

CAUTION: Apply adhesive promptly and install rear spoiler.

Skin formation time of glue, maximum 10 minutes.

Secure three screws against falling out.

Apply adhesive bead centrally to supports (1) on rear spoiler (2).

Shape of adhesive bead:

Fig 7: Applying Adhesive

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Align rear spoiler, screw down and locate in position with yellow plastic adhesive tape.