Not on the E46. As you know John I have a GT1/SSS and with the help of a master tech we worked out that it wasn't possible. BUT, my car is build 03/2003 with a General Module with diagnosis index 41. The GM after mine with diagnosis index 42 may be able to do it, but I never confirmed it as it would mean changing over the GM, it just wasn't worth it. Here is the info out of the WDS on the GM:
Versions of the general module
The following development stages exist for the general module:
General module with diagnosis index 40 (High version) or 50 (Low version)
Deployment up to 09/2002
•
General module with diagnosis index 41 (High version) or 51 (Low version)
Deployment as of 09/2002
Redesign version with the following changes:
•
• Revised hardware
• Output for interior lights clocked to balance our electrical system fluctuations
• Additional output for consumer shutdown VA2 for control units
• Rain sensor can switch to wiper stage 2
• Adaptations to E85 Z4 and E83 X3
General module with diagnosis index 42 (High version) or 52 (Low version)
Deployment as of 03/2003
•
Same as redesign version but additionally with LIN bus for mirror function and for a central
switch block
•
• Control of the mirror functions: Mirror memory, mirror heating and folding mirror
• Saving the mirror position in mirror memory
The E53 would be the same. I tried coding my general module, seat/mirror modules and nothing made the mirrors work on convenience closure. There are after market kits that can do it, but from my research on my model car it is not possible.