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Front and Rear Wheel Well Liner Replacing
 
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Pelican Technical Article:

Front and Rear Wheel Well Liner Replacing

Nick Czerula

Time:

1.5 hours

Tab:

$150

Talent:

***

Tools:

10mm sockets, Phillips screwdriver, trim panel tool

Applicable Models:

BMW Z4 Convertible (2003-06)
BMW Z4 Coupe (2006)

Parts Required:

Wheel well plastic rivets.

Hot Tip:

Tape body so you don't scratch it

Performance Gain:

Access to horns and rear lights

Complementary Modification:

Replace all plastic rivets

The wheel wells (inner fenders) on your BMW Z4 are fitted with plastic liners. These liners help to keep water and debris from entering body panels, electrical components and the engine compartment. The wheel well liners also help to reduce road noise and offer another level or weight reduction by reducing the amount of metal used in the fenders and surrounding components.

The front wheel well liner protects the front fender from water and helps to dampen road noise. You will need to remove it to replace a front fender or horns. Wheel well liners are frequently damaged from impacts with parking blocks or curbs, sometimes leaving the liner hanging or dragging on the wheel. When replacing, I suggest having enough plastic expanding anchor screws for the liner you are removing, as they frequently do not survive removal. See the text below to determine how many you need, depending on what you are servicing.

Remember your car may have been serviced before and parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve as they grow older. If something seems different, let us know and share your info to help other users. Questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Raise and support the front or rear of your vehicle. See our tech article on jacking up the vehicle.

Front liner: The wheel well liner (red arrows) is one piece, wrapping around the inner fender and behind the strut.
Figure 1

Front liner: The wheel well liner (red arrows) is one piece, wrapping around the inner fender and behind the strut. It is removed as one piece. Each front liner has 4 plastic expanding anchor screws and 8mm fasteners.

Front liner: Starting at the front, remove the plastic expanding anchors (red arrows).
Figure 2

Front liner: Starting at the front, remove the plastic expanding anchors (red arrows). Press the center pin in using a pick, then pull out using a trim panel tool.

Front liner: Working at the front corner of the liner, rotate the brake duct locks 180 degrees to unlock (red arrows).
Figure 3

Front liner: Working at the front corner of the liner, rotate the brake duct locks 180 degrees to unlock (red arrows).

Front liner: Next, remove the four 8mm fasteners (red arrows).
Figure 4

Front liner: Next, remove the four 8mm fasteners (red arrows).

Front liner: Then, working at the top of the liner, remove the two 8mm fasteners (red arrows).
Figure 5

Front liner: Then, working at the top of the liner, remove the two 8mm fasteners (red arrows).

Front liner: Then, working at the rear of the liner, remove the 8mm fastener (red arrow).
Figure 6

Front liner: Then, working at the rear of the liner, remove the 8mm fastener (red arrow).

Front liner: Then, working at the rear bottom of the liner, remove the two 8mm fasteners (red arrows).
Figure 7

Front liner: Then, working at the rear bottom of the liner, remove the two 8mm fasteners (red arrows).

Front liner: Pull the front of the liner out of the fender, then detach the brake duct (red arrow).
Figure 8

Front liner: Pull the front of the liner out of the fender, then detach the brake duct (red arrow). You may have to pull the duct out first, toward the strut; then feed back into the bumper.

Front liner: Pull the rear of the liner out of the fender (red arrow).
Figure 9

Front liner: Pull the rear of the liner out of the fender (red arrow).

Front liner: Pull the liner down and pull it together to remove.
Figure 10

Front liner: Pull the liner down and pull it together to remove. Reverse steps to install. Replace any questionable fasteners.

Rear liner: The rear wheel well liner (red arrows) is one piece, wrapping around the inner fender.
Figure 11

Rear liner: The rear wheel well liner (red arrows) is one piece, wrapping around the inner fender. It is removed as one piece. Each rear liner has 3 plastic expanding anchors and multiple fasteners.

Rear liner: Working at the front of the rear wheel well liner, remove the Phillips head screw (red arrow) and the trim panel clip (purple arrow).
Figure 12

Rear liner: Working at the front of the rear wheel well liner, remove the Phillips head screw (red arrow) and the trim panel clip (purple arrow). This shows the vehicle viewed from below.

Rear liner: Working at the rear of the rear wheel well liner, remove the two 8mm fasteners (red arrows) for the heat shield.
Figure 13

Rear liner: Working at the rear of the rear wheel well liner, remove the two 8mm fasteners (red arrows) for the heat shield.

Rear liner: Working at the front of the rear wheel well liner, remove the 10mm plastic nut (purple arrow).
Figure 14

Rear liner: Working at the front of the rear wheel well liner, remove the 10mm plastic nut (purple arrow). Then, remove the two T25 Torx screws (red arrows). The plastic panel will stay attached to the body. If needed, unclip the bottom to remove.

Rear liner: Working at the rear of the liner, remove the remove the plastic expanding anchors (red arrows).
Figure 15

Rear liner: Working at the rear of the liner, remove the remove the plastic expanding anchors (red arrows). Use a trim panel tool to remove them.

Rear liner: Working at the front of the liner, remove the 10mm plastic nuts (red arrows).
Figure 16

Rear liner: Working at the front of the liner, remove the 10mm plastic nuts (red arrows).

Rear liner: With all the fasteners removed, pull the rear of the liner away from rear bumper, detaching points where plastic nuts attach.
Figure 17

Rear liner: With all the fasteners removed, pull the rear of the liner away from rear bumper, detaching points where plastic nuts attach.

Rear liner: Once free, rotate the liner toward the rear of the vehicle to remove.
Figure 18

Rear liner: Once free, rotate the liner toward the rear of the vehicle to remove. Reverse steps to reinstall liner.

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Page last updated: Wed 12/7/2016 03:03:50 AM