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#1
11-28-2010, 08:19 PM
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Ah, the flap... the other end should be hooked to a vacuum supply hose from the intake system, I'll have to remember to look at mine to see exactly where. But on full throttle the flap opens and lets more air in to the box via the opening. If you want you can actually remove that flap and have the less restricted airflow all the time.
As for the check engine light, it doesn't just turn itself off, it needs to be cleared.
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is 
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#2
07-05-2015, 07:32 AM
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I happened to be getting an emission test on my 98 328i and the shop had a 2005 645 in there. Oddly similar looking engine to the 4.4 I have grown to love/hate. The mechanic had a kit from AGA that was not the valve stem seal kit, so we got to chatting. It was for the cleaning of the secondary air injection on the 4.4's. I knew these systems were problematic on the 6-cylinders (mine is a testament to that), but hadn't heard of it on this forum in the year I've been on. So, I found this thread that links to the diagram in the first post (helpful) and I now add the link to this tool in the hopes it helps someone out too.
https://www.agatools.com/tool/n62-secondary-air-cleaner And here are the videos https://www.youtube.com/watch?v=CMOjFAKUt30 https://www.youtube.com/watch?v=zMJeXDrrIK8
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Daily Drivers: - 2008 535i, 320,000km - 2004 X5 4.4, 01/2004 production, 420,000km - 1997 328i, 350,000km Track: - 1996 328i, track/race car, ~300,000km Winter: - 2013 Ski-Doo MXZ X 800 E-TEC, trail can - 2007 Ski-Doo MXZ Blizzard 800 HO - 2001 Ski-Doo MXZ 600 w/800 engine, exhaust - 1978 Ski-Doo Olympique 340 (vintage race sled) - 1977 Ski-Doo Olympique 340E 
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