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Old 06-08-2013, 09:20 AM   #33
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SamE30e's Avatar
Join Date: Jul 2007
Location: Milton
Posts: 2,913
Originally Posted by Bullet Ride View Post
So technically this morning I didn't fail!... because I never actually tested the car

The guy at the shop put the machine into diagnostic mode so I could see what the sniffer was reading at idle. I played with my fuel and timing and was only able to get the HC down to 700ish (which is half of what it was before ~1400) while still keeping the CO below 1.0.

I'm pretty much attributing the high HC readings to the lack of ability of my cheap aftermarket cat to oxidize hydrocarbons.

Time for a conditional pass I guess
I don't know if they do conditional passes anymore. Put a stock BMW exhaust on it and then re-test it.

Also, did you get my e-mail?
85 325 - Turbo M52B28.
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