AEM 30-3510 Infinity Plug & Play Harnesses - BMW 2001-2006 E46 M3 - Manual (Page 17)

2001–2006 BMW E46 M3 17
© 2014 AEM Performance Electronics
Step 5
To remove the DME (stock ECU) from
the internal plastic “skeleton”, push the
two tabs away from the bottom side of
the DME, as shown.
Step 6
Simultaneously unlock the plastic tabs
and pull the DME up and out of the
engine bay.
The stock DME will NOT be reused.