aFe Power M3 Installation Instructions

Muffler Assembly
05-45854 (Carbon Fiber Tips)
05-45853 (Polished Tips)
Step 1: (Read Instructions prior to installation) Secure vehicle on jack stands (Refer to your manual for specified jack stand positions).
Step 2: Remove brace under the center of the stock exhaust system going across the chassis.
Step 3: Remove the aluminum chassis support brace.
Step 4: Unplug connectors from the left and right bypass valves locatednear the rear mufflers.
Step 5: Remove the front belly pan and the exhaust mid pipe cross brace.
Step 6: Remove the (x4) nuts securing the stock mid pipe to the catalytic converters.
Step 7: Remove the rubber hanger mounts by removing the (x6) nuts securing the rubber mount hangers off the chassis.
Step 8: Transfer the stock OE rubber hangers from the stock exhaust system to the aFe exhaust one at a time. Keep in mind there
position on the stock exhaust and replicate their position on the aFe exhaust. Repeat this step until all rubber hangers have been
transferred and ensure that they are positioned exactly like how they were on the original exhaust system.
Step 9: Using the aFe install sheet refer to the picture to correctly cut the OE over axle from the mid pipe,
cut lines as shown below.
Step 10: Cut the left OE mid pipe 3.375" from the OE resenator.
Step 11: Cut the right OE mid pipe 6.250" from the OE resenator.
NOTES: aFe recommends that the tailpipe be at least 1/2"-1" away from any body panels to avoid heat related body damage. Tighten and secure.
Caution: Allow time for your vehicle to cool down prior to installation. When working on or under your vehicle proceed with caution. Exhaust systems reach high
temperatures and may cause serious burns. Wear protective safety equipment; eye goggles and gloves to ensure a safe installation. aFe recommends professional
installation on our products.
INSTALLATION INSTRUCTIONS
MAKE: BMW
MODEL: M3/M4 (F80/F82)
YEAR: 2015
ENGINE: L6-3.0L (tt) S55
Resonator
Left Mid-Pipe
05-45865
(x2) 2.5" Band Clamp
05-41061
Right Mid-Pipe
05-45866
Page 1 of 2
2-1/2" Axle-Back Exhaust
49-36324-C (Carbon Fiber Tips)
49-36324-P (Polished Tips)
(x2) 2.5" Clamp Sleeve
use a tape mesure to make a
05-46069
06-86078
Updated:March 2015