38+ E46 Secondary Air System Diagram Gif. In this system, i believe the air valve is operated by air pressure only. Problems with the secondary air system will give you a low flow code.
Electrical Gurus: secondary air pump questions - Page 2 from img.photobucket.com That is the air system pump and it does just what it's name implies, pumping air into the exhaust stream to get the primary catalytic converters warmed up faster. Oem air valve replaces genuine bmw part #11727573932. Ele electrical wiring diagrams obd on board diagnostics 0 general data and maintenance covers general vehicle information (repair group 010) as well as the recommended maintenance schedules and service procedures to perform bmw scheduled maintenance work.
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In the third diagram down yeah, i just saw some threads on e46fanatics. Reference on the next page you will find a diagram showing the individual phases of the secondary air diagnosis process. The original air injection point became known as the upstream injection point. Problems with the secondary air system will give you a low flow code.
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