Guides — 3-series

Here's how to remove the rear bumper cover. 1. Remove both rear tail lights. At the top of the bumper (where tail light mounts), remove the 10mm fasteners. At both lower corners of the rear bumper (by exhaust pipes), remove the three 8mm fasteners. At the bottom center of the rear bumper, remove the three T25 Torx fasteners.  2. Both sides of the fender well, remove two 8mm fasteners from wheel well liner. Then peel back wheel well liner and remove the T25 Torx fasteners. 3. Both sides, pull top corner of bumper out to unclip. Direction toward the rear, slowly...

Here's how to remove the front bumper cover. Both side of the wheel well, remove the (4) 8mm screws of the fender liners then peel away the liners to remove the (2) 8mm screws that holds the bumper to the fenders.  Underneath the car, remove all the screws holding bottom portion of the bumper. Now open the hood and remove the weather strip that's on top of the radiator. You will find the (6) T-30 and (2) T-25 Torx screws that holding the top portion of the bumper. Please unplug the connectors, if your bumper is equipped with Parking sensor...

Underneath the car, remove the panel that's attached to the bumper. Then remove the screws holding the bottom portion. At the right and left rear wheel wells, remove rivets and screws that hold the bumper to the chassis. Tips: Remove the 4 nuts in the trunk [that hold impact absorbers] along with the bumper. Once the bumper is off the car with the impact absorbers attached, then you can have direct access to the outside bolts as needed.

Remove the screws holding the side on each of the fender liner. Below the head lights, remove plastic covers hiding bolts that holds the bumper. Remove the bolts then pull bumper away from vehicle.  

Prep:Remove the (3) 8mm screws of the rear fender liners so later we can locate the screws holding the bumper.Remove both tail lights. Here's how to remove the rear bumper. Open trunk and locate the two taps that's hiding the screws holding the bumper. Remove the (11) screws holding the bottom portion. Both sides, nudge the fender liner aside to locate the bolt holding the side edge.  Final step is to gently pry each tab to free the bumper. And don't forget to disconnect any parking sensor connectors.