Thread: o2 sensors
View Single Post
      05-18-2013, 06:56 AM   #2
metro44m3
Second Lieutenant
metro44m3's Avatar
United_States
3
Rep
235
Posts

 
Drives: E92 M3
Join Date: Jul 2012
Location: Jericho, NY

iTrader: (0)

Quote:
Originally Posted by WERKE View Post
Hi,

I need to replace the O2 sensors on the primary catalyst, I did a search, I know there are 2 different (front-rear), but I'm not sure if it takes 2 of each?

REGULATING LAMBDA PROBE L= 340MM
11787537984

Lambda probe, black L= 325MM
11787539125

Thank you guy's

REGULATING LAMBDA PROBE = front O2 sensor

Lambda probe, black L = rear O2 sensor

Looks like the front is about $220 and rear is $210 from tischer.