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#1
07-12-2010, 01:08 PM
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Loud air intake noise
Also would this contribute to a cold start idle of 1000rpms?
__________________
~The Family Cars~ 1997 BMW 540i [Jet Black / Black] [None  ] 2001 BMW X5 4.4i [Jet Black / Black] [Sport] 2003 BMW 540i [Sterling Gray / Gray] [Msport] [Shades] [Folding seats] [DSP] [Aux] [ICE V5] 2008 BMW 550i [Jet Black / Black] [Sport] [Paddles] [Comfort Access] [IPOD] [Shades] [Nav] [PDC] A 5'er that was almost too good too be true. C~Certain P~Problems O~Overlooked 
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#2
07-12-2010, 07:57 PM
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It could cause a high idle if you have a vacuum leak somewhere. If that is the case you should get the check engine light on for lean mixture faults soon. How long has it done this?
__________________
"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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#3
07-14-2010, 02:30 AM
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No CEL, but long enough for me to foreget how long.
__________________
~The Family Cars~ 1997 BMW 540i [Jet Black / Black] [None ] 2001 BMW X5 4.4i [Jet Black / Black] [Sport] 2003 BMW 540i [Sterling Gray / Gray] [Msport] [Shades] [Folding seats] [DSP] [Aux] [ICE V5] 2008 BMW 550i [Jet Black / Black] [Sport] [Paddles] [Comfort Access] [IPOD] [Shades] [Nav] [PDC] A 5'er that was almost too good too be true. C~Certain P~Problems O~Overlooked
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#4
07-14-2010, 08:15 AM
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Maybe the idle control motor is stuck? That is metered air so it doesn't cause the mixture faults... Diagnosis with a GT1 could help as you can see what the idle speed is set at vs where it is.
__________________
"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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#6
07-14-2010, 12:53 PM
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Only for a minute or two on cold starts... is it the secondary air pump?
__________________
"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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