57-1002 BMW 3 Series (E46) Fuel Injection Performance Kit Installation Instructions

NOTE: * Excluding 2003 & 2005 PZEV model with engine family 3BMXV02.5M56 & 5BMXV02.5M56 TOOLS NEEDED: Flat Blade Screwdriver Ratchet Extension 10mm Socket 10mm Wrench 4mm Allen
TO START: 1. Turn off the ignition and disconnect the negative battery cable. NOTE: Disconnecting the negative battery cable erases pre-programmed electronic memories. Write down all memory settings before disconnecting the negative battery cable. Some radios will require an anti-theft code to be entered after the battery is reconnected. The anti-theft code is typically supplied with your owner’s manual. In the event your vehicles’ anti-theft code cannot be recovered, contact an authorized dealership to obtain your vehicles anti-theft code. 2. Depress the wire-locking clip and disconnect the mass air sensor electrical. 3. Pull up on the four fresh air duct-retaining pins to release them from the radiator core support. 4. Lift up and remove the fresh air duct from the vehicle as shown. NOTE: Disconnect the fresh air tube from the fresh air duct. 5. Loosen the hose clamp which secures the intake tube to the mass air sensor, and then disconnect the intake tube from the mass air sensor as shown. 6. Remove the two-factory air box mounting bolts shown. 7. Unhook the wiring harness from the rear of the factory air box. 8. Lift up and remove the air box from the vehicle. NOTE: K&N Engineering, Inc., recommends that customers do not discard factory air intake. 9. Disconnect the vent tube from the factory intake tube as shown. 10. Loosen the lower hose clamp and remove the factory upper intake hose from the lower intake hose.

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