09-02-2012, 12:09 PM
|
#16
|
|
Registered User
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 5,183
My Ride: '06 330CiC, '03 M5
|
Check fuses first, many of the O2 heater circuits have individual fuses.
If the heaters have individual fuses, you may be able to just pull a fuse to narrow down which O2 sensor is which?
|
|
|