AEM 30-3510 Infinity Plug & Play Harnesses - BMW 2001-2006 E46 M3 User Manual

Page 14

P/N 30-3510

The steering wheel’s Accelerate+ and Decelerate-
momentary buttons increment and decrement the map
switching function “CAN_MapValueNV”. This feature is
extremely flexible as it can be used to switch VE
tables, ignition maps, lambda targets, and boost
levels.

When the Accelerate+ or Decelerate- button is
depressed (or when KeyOn occurs) the tachometer
displays 1k, 2K, 3K, 4K, 5K, 6K, 7K, or 8K
momentarily representing the currently selected value
of ModeSwitch. Because of the BMW E46 M3
tachometer range, 1–8 are the only valid values (9–12
are not used for this application).

For safety precautions, the AEM base session files
come standard with the VE tables, ignition maps,
lambda targets, and boost tables all set the same
because the Accelerate+ or Decelerate- button could

be mistakenly bumped.

In order to use this feature, care must be taken into account when setting up the tables and tuning. Enter
the number of the table into the corresponding mode selection table for each feature (VE tables, ignition
maps, lambda targets, and boost levels).