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-   -   Z3 Oxygen Sensors (http://www.bimmerfest.com/forums/showthread.php?t=417549)

morrieschoice 12-07-2009 06:18 PM

Z3 Oxygen Sensors
 
Has anyone replaced the O2 sensors on their Z-3? I know there are front and rear sensors (2 for each side)...right? Looking at the diagram on RealOEM.com, they appear to be running off the headers /manifold. So, how do gain access to them so they can be replaced? Your response will be greatly appreciated.

SUNZOUT 12-07-2009 07:43 PM

you just jack the car up on stands...slide under and remove the appropriate sensor.

FYI bank 1 is the 3 cyl to the front of the engine.

Some of them you can get to with a standard o2 socket, otherwise you need the appropriate flare wrench.

Ron Stygar 12-07-2009 07:47 PM

Quote:

Originally Posted by morrieschoice (Post 4745540)
Has anyone replaced the O2 sensors on their Z-3? I know there are front and rear sensors (2 for each side)...right? Looking at the diagram on RealOEM.com, they appear to be running off the headers /manifold. So, how do gain access to them so they can be replaced? Your response will be greatly appreciated.

Purchase a BMW repair TIS disk.
Around $15 from EBAY,

morrieschoice 12-08-2009 10:46 AM

Guess I'll be ordering the sensors today. Thanks to both of you for the advice/help. By the way, I have the ETK installed but am having some difficulty with the TIS, but am getting help from the forum member who originally emailed me the info. to download the program.

morrieschoice 12-21-2009 11:17 AM

Thanks for everyone's input/advice. I replaced the 2 sensors on the top side of the engine using an O2 sensor socket...now the 2 sensors underneath the car...looks like fun!

Ron Stygar 12-21-2009 12:00 PM

Quote:

Originally Posted by morrieschoice (Post 4747230)
Guess I'll be ordering the sensors today. Thanks to both of you for the advice/help. By the way, I have the ETK installed but am having some difficulty with the TIS, but am getting help from the forum member who originally emailed me the info. to download the program.

Why don't you just purchase it?

morrieschoice 12-24-2009 10:25 AM

Thanks Ron...found one on Ebay...will be here soon!!

Ron Stygar 12-24-2009 10:41 AM

Quote:

Originally Posted by morrieschoice (Post 4789132)
Thanks Ron...found one on Ebay...will be here soon!!

You will get a later version and be ready for the Z4.


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