Replace Cover Bowl (M4 Coupe, M4 Convertible)

Necessary preliminary tasks: 

• Remove right Rear Wheel; See REMOVE OR INSTALL FRONT OR REAR WHEEL .
• Remove rear right wheel arch cover; See REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT WHEEL ARCH COVER .
• Remove Flap For Fuel Filler Neck; See FLAP FOR FUEL FILLER NECK .
• Close the central locking system with open cap

Attention! 

Deformation of the sheet metal flanges in the side panel and the wheel arch results in permanent vehicle leakage. Carry out removal/installation with great care.

Following new body parts are required (see applicable BMW Parts Catalog):

• (1) Cover bowl

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Press sealing cup (1) through to the outside.

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Release nuts (1) and (2).

Installation note: 

Renew plastic nut.

Tightening torque 16 12 LINES .

Slacken the fuel filler pipe (3).

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Installation note: 

Clean contact surface  on body and ground connection (top of holder) on fuel filler pipe.

Ground connection must be guaranteed.

Remove ejector (1) in the direction of the arrow.

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Lift out the retaining strap (1) and remove the lid.

Pierce markings (2) with a small screwdriver.

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Insert screwdriver to a depth of max. 5 mm and unlock cover bowl latch mechanism.

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Keep cover bowl tensioned with pliers (1).

Unlock catches individually with screwdriver (2).

Unlock catches in following order:

1. Top left
2. Bottom left
3. Top right
4. Bottom right

Move screwdriver in opposite direction at both lower catches.

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Slightly pull the locking pin (1) forward in the direction of the arrow, if applicable.

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Close hinge arm (1).

Attention! 

Do not damage sheet metal flange of side wall.

Carefully twist out cover bowl (2) at first at rear in direction of arrow from side panel and remove.

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Release wiring harness (1) at attachment points.

Release cable (2) for emergency operation of fuel filler cap.

Installation note: 

Make sure the cable for emergency operation is correctly installed!

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Unlock and disconnect plug connection (1) for actuator drive.

Detach release clip (2) in direction of arrow.

Press latch mechanism (3) in direction of arrow and pull off actuator drive (4) from cover bowl.

Installation note: 

Make sure the servo drive for fuel filler flap is correctly installed!

Check function of controller drive before installation of cover bowl!

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Systematic representation.

Installation note: 

Open hinge arm.

Turn sealing sleeve in area of hinge inwards and hold.

Insert cover bowl and engage sealing sleeve over fuel filler pipe.

Installation note: 

Using fitting aid (1), pull sealing lip (2) over sheet metal flange of wheel arch (3).

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Systematic representation.

Installation note: 

Illustrations shows fuel filler pipe removed.

Check that sealing lip is correctly seated.

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Installation note: 

Following parts on cover bowl (6) must not be damaged or missing:

1. Bump stop
2. Latch mechanisms, top/bottom
3. Spring
4. Catch
5. Guide

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Cover bowl must audibly snap into place 4 times.

There must be no discernible gap between sealing lip and side wall in area.