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Old 02-27-2013, 10:13 PM   #12
4th Gear Member
Join Date: Oct 2006
Location: Newmarket, Ontario
Posts: 738
Originally Posted by food View Post
The plug in test is only for OBD-II cars. 1988+ E30's get a 2 speed idle sniffer test. Really nothing has changed for our cars except now there is no load on the engine for the test.
No load and not tested for NOx
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