2007-2008 BMW E82/88 135i Intake kit Installation Instructions

Step 1: Complete Stock Intake.
Step 2: Disconnect vacuum line and pull back.
Step 3: Unclip upper half of air box to remove lid and filter.
Step 4: Pull back rubber mount attached to battery cable. Use pliers if necessary. This will allow stock clamp to be loosened. (To be done in step 5B.)
Step 5: A) Loosen clamp closest to the radiator with 1/4” nut driver. B) Loosen clamp closest to fire wall with 1/4” nut driver. Leave clamps in position.
Step 6: Remove complete air box from vehicle.
Step 7: Remove the 3 rubber grommets from the air box. (To be used in step 9.)
Step 8: A) Attach 7/16” trim seal to top of housing. B) Attach rubber edge trim seal to ram air cut out on housing.
Step 9: Install rubber grommets from step 7 on new housing.
Step 10: Install new tube into vehicle and pull back towards driver fender. Do not tighten clamps.
Step 11: Install housing into factory postion.
Step 12: Push down housing allowing grommets to seat. Align threaded insert with hole on housing.
Step 13: Install screw, washer and wavy washer provided, and tighten with 10mm socket or wrench. Tighten clamps to tube with 1/4” nut driver.
Step 14: Install air filters and tighten with 5/16” nut driver and connect vacuum line.
Step 15: Your installation is now complete. Please check all clamps and hoses periodically and tighten. Thank you for choosing aFe

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