E46 M3 S54 Velocity Stack Kit

2m Autowerks

First 5 sets at this discounted price !
All kits come with our RK-Tunes Alpha N tune

E46 M3 S54 Velocity stack kit
-Billet CNC Aluminum Velocity Stacks w/set screws
-Custom Alpha N tune (optional)
-Heat Shield 
-Heat Shield Bracket
-Cabin Filter Delete Cover
​-Intake Air Temp Relocation Kit



RK-Tunes Alpha N tune.

This is our tried and tested tune for an E46 M3. These tunes were designed on a Dynojet dyno and tested in the real world! The ALPHA-N tune requires the MAF to be deleted We include a new Air Intake Temperature Sensor to be included in your purchase. All tune packages come with an OBD to USB cable and software to read and write your DME/ECU. A Windows computer is required to utilize the RK-Tunes flash software. For an additional $100, we can include a Windows operating tablet that can be used in place of a Windows operating computer.

⦁ Top speed governor removed
⦁ Increased RPM rev limit
⦁ VANOS cam timing adjustment
⦁ Improved throttle response
⦁ Ignition timing enhancements
⦁ Air/Fuel Ratio enhancements

⦁ Fuel -  fuel octane rating (91, 93)
⦁ Burble - Emits flame and backfire when lifting off throttle. Only suggested for catless exhaust systems.
⦁ Rear O2 Sensor Delete - If you are running aftermarket headers please select O2 Sensor delete. We will remove all coding associated with rear O2 sensors
⦁ Cold Start Fix - All E46 M3's have a cold start calibration to heat up the catalytic converters. If you're unhappy with the way your E46 idles/runs while cold, select this option and we will adjust the cold start in your tune. Highly advised if you are running a catless exhaust system.
⦁ SAP (Secondary Air Pump) Delete - If you have deleted your Secondary Air Pump, please select this option and we will remove the coding from the DME/ECU to avoid a CEL.

15-35+ WHP
15-35+ FT/LBS TQ

In the modification box, please specify all current vehicle modifications and desired options.

*Professional Installation recommended, some modification required*

Type: Tune

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