Hmm, your car does seem to have the symptoms associated with a bad accelerator pedal. The DME will slow responses to sudden changes in input when it detects a fault.
Btw, there are two different types of drive-by-wire systems on E46s. One style uses pedal linkage to actuate two potentiometers, the other style is an enclosed pedal. I believe you have the latter, which uses hall sensors, so you need to apply +5V (as the DME does, but you could probably use a little more/less) across pins 5 and 1 and measure voltage at 4, or across 3 and 2 and measure at 6. One output should measure exactly half of the other.
(klx photo studio)
M3 drive train conversion (S54 Swap, LSD, 6MT, suspension linkage) | UUC Stg 2 Organic Clutch | OEM M-Tech II Kit
KW V2 | BBS GT4 RE | Falken FK452 | Alcon 6-pot 365mm BBK | M3 steering wheel | Powerflex bushings
Originally Posted by koven
i'd rather be gapless with no bulge