This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of BMW 3 series I6 engines.

Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re-establishing throttle response and bottom-end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and improve overall drivability.

The K&N replacement air filter is designed to boost the horsepower and acceleration while providing superior filtration. It is washable and reusable and is custom designed to fit into your existing factory air box. This filter lasts up to 80,000km before cleaning is required depending upon driving conditions. It comes with K&N million mile limited warranty and it will not void vehicle warranty.

Modes of ETC:

Sport Mode: 9 stages of increased accelerator response suited for spirited driving.
Economy Mode: Reduced accelerator response suited for economy driving around towns and on highways.
Normal Mode: Factory throttle response.

ETC Features:

OBD.II free, meaning power is sourced directly from the pedal and additional plugs are no longer required.
Temperature ranges from -40 to 125 °C.
Previously set stage numbers are retained thanks to Power off memory function.
Digital signal output AD/DA up to 10 Bit, efficiently responds to the original throttle signal.

Air Filter Specifications:

Air filter shape: Panel
Height: 1.063 in (27 mm)
Outside length: 9.375 in (238 mm)
Outside width: 6.875 in (175 mm)

Contents:

1 X Mace ETC
1 X K&N Air filter

Vehicle Fitment Guide

PP664-VFG

Notes:

Installation of the Mace ETC is quite simple and the modification is completely reversible within a couple of minutes. All kits include simple fitting and calibration instructions.
The air filter included in this package can be purchased separately through another listing.
The ETC included in this package can be purchased separately through another listing.

BMW 323CI 3 Series M52TUB25 2.5L I6