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Search: Keyword(s): ; Posts Made By: al_r
Forum: E36 (1991 - 1999) 02-17-2005, 08:34 AM
Replies: 8
Views: 2,775
Posted By al_r
Look at: ...

Look at:

http://www.macadamizer.com/bmwfix.html
Forum: E36 (1991 - 1999) 01-28-2005, 08:11 AM
Replies: 2
Views: 6,169
Posted By al_r
That is your secondary air pump, 'injects' fresh...

That is your secondary air pump, 'injects' fresh air into the exhaust manifold at start up time till the ECU shuts it off - strictly emissions related. If the pump fails, you'll get a CEL/code...
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