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E36 M3 (1995-1999)

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  #1  
Old 10-12-2010, 05:27 PM
MDrive MDrive is offline
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Location: Georgia
 
Join Date: Oct 2009
Posts: 6
Mein Auto: 99 M Coupe
S52 coolant flush

I want to drain the coolant from the engine (99 M Coupe) but the O2 sensor seems to block access. Getting a open end wrench on the plug is no problem...but unless it's a short plug I'm going to run into the sensor before the plug is free...something I don't want to do.

Anyone done this?

Thanks

Last edited by MDrive; 10-12-2010 at 05:40 PM.
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  #2  
Old 10-18-2010, 12:37 AM
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Killjoy Killjoy is offline
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Location: Santa Cruz, CA
 
Join Date: May 2009
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Mein Auto: 1999 M3, 2002 tii
I've tackled this before. It's a little difficult getting in there, but as I recall I only used some standard Craftsman tools with not too much trouble. Sorry I can't be more helpful, it's been a while since I've done this job.
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  #3  
Old 10-20-2010, 12:07 PM
MDrive MDrive is offline
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Location: Georgia
 
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Mein Auto: 99 M Coupe
Open end worked

Thanks. A 19mm open end wrench did it easily...cleared the O2 sensor w/o a problem.
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