aFe Power 77-46316 User manual

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advanced FLOW engineering
Instruction Manual P/N: 77-46316
Make: BMW Model: 125i/220i/ix/228i/ix (F2X) Year: 2012-2016 Engine: L4-2.0L (t) N20
Make: BMW Model: 328i/ix/GT/420i/ix/428i/ix (F3X) Year: 2012-2016 Engine: L4-2.0L (t) N20
Make: BMW Model: 430i/ix/GT (F3X) Year: 2017-2020 Engine: L4-2.0L (t) N20
Make: BMW Model: 528i/ix/Li/Lix (F1X) Year: 2010-2017 Engine: L4-2.0L (t) N20
Make: BMW Model: X1 28i/ix/X3 28i/ix/X4 28ix (E84/F2X) Year: 2012-2018 Engine: L4-2.0L (t) N20
Make: BMW Model: Z4 28i (E89) Year: 2011-2016 Engine: L4-2.0L (t) N20

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Label Qty. Description Part Number
A 1 Module R77-46316
B 1 LED Switch 05-70029
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

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REMOVAL
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Refer to Figure A for Step 1.
Step 1: Before installing your aFe module, you will have to place your vehicles ECU in sleep mode. In
order to do this you will need to do the following:
- If the engine is cold, open the hood, close the doors lock the car and wait 30 seconds.
- If the engine is warm, open the hood, close the doors lock the car and wait 20 minutes.
- If the engine is warm and you can’t wait 20 minutes, disconnect the battery.
Note: Do NOT open the doors or start the vehicle when one of the sensors is
disconnected. This could create a check engine light.
Figure A

Refer to Figure B for Step 2.
Step 2: Locate the TMAP 1 and MAP 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, just before the
throttle body.
REMOVAL
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1
2
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Figure B

Refer to Figure C for Steps 3-4.
Step 3: Remove the engine cover to gain access to the MAP sensor then disconnect the MAP sensor.
Step 4: Locate the MAP sensor jumper harness on the aFe module. This is the shortest harness with
three wires on each connector. Plug the female connector of the module to the stock MAP
sensor, then the male connector of the module female connector of the engine harness.
Note: Make sure connections are fully engaged. Usually, connectors make a snapping
sound when fully engaged.
Figure C
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INSTALL
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Refer to Figures D for Steps 5-6.
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 four 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.
Figure D
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INSTALL
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Refer to Figure E for Steps 7-8.
Step 7: Carefully route the switch cable behind steering wheel cover.
Step 8: Mount the Switch where desired on an open, flat surface.
Figure E
INSTALL
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Refer to Figure F for Steps 9-11.
Step 9: Remove the two 10mm nuts holding the foot trim panel.
Step 10: Route the switch cable through firewall and into the engine bay. Follow the main harness
through the grommet into the firewall. Plug the end of the cable to the module.
Step 11: Re-install foot trim panel.
Figure F
REMOVAL

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Refer to Figure G for Step 12.
Step 12: 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.
Figure G
INSTALL
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