aFe Power 77-46318 User manual

advanced FLOW engineering
Instruction Manual P/N: 77-46318
Make: BMW Model: 330i/ix 340i/ix/GT (F3X) Year: 2016-2019 Engine: L6-3.0L (t) B58
Make: BMW Model: 430i/ix/GT 440i/ix/Gran Coupe (F3X) Year: 2016-2020 Engine: L6-3.0L (t) B58
Make: BMW Model: 220i/ix 230i/ix (F2X) Year: 2017-2020 Engine: L4-2.0L (t) B46/B48
Make: BMW Model: M240i/ix (F2X) Year: 2016-2021 Engine: L6-3.0L (t) B58

Label Qty. Description Part Number
A 1 Module R77-46318
B 1 LED Switch 05-70005
C 2 Velcro (2 Inches) 05-01244
D 4 Cable Ties 05-60167
Note: Legal in California for use on race vehicles only. The use of this device on vehicles used on public
streets or highways is strictly prohibited in California and others states that have adopted California
emission regulations.
• Please read the entire instruction manual before proceeding.
• Ensure all components listed are present.
• If you are missing any of the components, call customer support at 951-493-7185.
• Ensure you have all necessary tools before proceeding.
• Do not attempt to work on your vehicle when the engine is hot.
• Disconnect the negative battery terminal before proceeding.
• Retain factory parts for future use.
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Warranty Information available at: https://afepower.com/contact#warranty

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A
B
C
D

Refer to Figure A for Step 1.
Step 1: Locate the MAP 1 and TMAP sensors 2 . The MAP sensor is located on top of the intake
manifold under the engine cover, the TMAP sensor is located on the charge pipe on the front of
the engine.
REMOVAL
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2
1
FigureA

Refer to Figure B for Steps 2-3.
Step 2: Remove the engine cover to gain access to the MAP sensor then disconnect the MAP sensor.
Step 3: Locate the MAP sensor jumper harness on the aFe module. This is the shortest harness with
four wires on each connector. Plug the male connector of the module to the stock MAP sensor,
then the female connector of the module male connector of the engine harness.
Note: Make sure connections are fully engaged. Usually, connectors make a snapping sound
when fully engaged.
Figure B
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INSTALL

Refer to Figures C for Steps 4-5.
Step 4: Locate and disconnect the TMAP sensor.
Step 5: Locate the TMAP sensor jumper harness on the aFe module. This is the longer harness
with three wires on each connector. Plug the male connector of the module to the stock
TMAP sensor, then take the female connector of the module and connect to the male
connector of the engine harness.
FigureC
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INSTALL

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Refer to Figure D for Steps 6-7.
Step 6: Carefully route the switch cable behind steering wheel cover.
Step 7: Mount the Switch where desired on an open, at surface.
FigureD
INSTALL

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Refer to Figure E for Steps 8-10.
Step 8: Remove the two 10mm nuts holding the foot trim panel.
Step 9: Route the switch cable through rewall and into the engine bay. Follow the main harness through
the grommet into the rewall. Plug the end of the cable to the module.
Step 10: Re-install foot trim panel.
FigureE
REMOVAL

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Refer to Figure F for Step 11.
Step 11: Mount the module in a safe location with adequate hood clearance, using the supplied Velcro
strip. Then, secure the wires and module away from any extreme heat and moving parts, with
the provided ties. Make sure all connections are secured and fully engaged.
FigureF
INSTALL

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Refer to Figure G for Step 12.
Step 12: When turning on the vehicle, the switch will go through the light. It will stop at its last setting.
The LED on the switch represents the dierent level of power.
• Green LED: Stock
• Yellow LED: Sport
• Orange LED: Sport+
• Red LED:Race
Use the grey button to select the desired setting. Power adjustments can be done at any
moment.
Thank you for choosing aFe POWER!
FigureG
INSTALL