w211 E55 AEM failsafe Wideband gauge
#1
Senior Member
Thread Starter
w211 E55 AEM failsafe Wideband gauge
How is the install wiring wise?? has any e55 owners used it?? i was wondering maybe it would be perfect as a safety mechanism to shut off the supercharger if i were to lean out god forbid.
#3
Senior Member
Thread Starter