Open the trunk to see if there is a trunk liner installed on the underside.
How to put on a roof spoiler.
The following steps are for a bolt on spoiler which does not use adhesive tape.
Description and quick install of aliexpress carbon fiber roof spoiler.
E90 e92 carbon fiber roof spoiler install diy autocarbon de carbon fiber roof spoiler installation duration.
Install the roof spoiler and the new decal for the car.
Step 2 prep the backside of the spoiler.
If there is remove it.
How to install rear and roof spoilers step 1 thoroughly clean the area where you will place the spoiler.
Follow and hi.
Place the spoiler on a large towel or blanket.
Step 3.
If you flip the spoiler over and take a look at the underside you ll notice.
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The spoiler will be attached to your car via 3m.