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Old 05-15-2012, 01:21 PM   #2
Mark M
Registered User
Join Date: Sep 2009
Location: Lancaster, PA
Posts: 422
My Ride: e30 M3 / e90 335d
Hate to say it but I think all sources have dried up.

Search for MKIV O2 sim on Google. It has a circuit design. I ordered the parts from radio shack and will be building my own since all sources are kaput.
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