Service Engine Soon - Increased Emissions
Members
Joined: Nov 2009
Posts: 192
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From: New Jersey
My Ride: 2004 BMW 545i 6mt, Titanium Silver, Sport Package, Winter Package
I already changed the pressure regulating valves and gas cap. I guess thermostat is next. Being a half-ass mechanic it just doesn't make sense how the thermostat could affect the Emission system and in particular any thing in the fuel system.
Thread Starter
Members
Joined: Mar 2009
Posts: 39
Likes: 0
From: Philadelphia, PA
My Ride: 2005 545i
I know right, I was thinking the same thing. I noticed you live in NJ. There's a shop called European Performance out in Wilmington, DE. They specialize in BMW repair. I got quoted $290 for a factory part (ordered from the dealership) and labor.
Members
Joined: Nov 2009
Posts: 192
Likes: 0
From: New Jersey
My Ride: 2004 BMW 545i 6mt, Titanium Silver, Sport Package, Winter Package
No light has come on since?
To update my SES light, Over the last weekend I was messing with any hoses that lead to the valve covers on the engine, just moving them and twisting them around after that I started the car and no more SES light. I didn't even have to use the scanner, I just turned on the car and it was gone. I was very suspicious that it was a vacuum leak and I think I might have been right because my engine idle's better now and and no code.
I have to say I've owned a few cars and these BMW's are very sensitive compared to the other Japanese cars I've owned.
To update my SES light, Over the last weekend I was messing with any hoses that lead to the valve covers on the engine, just moving them and twisting them around after that I started the car and no more SES light. I didn't even have to use the scanner, I just turned on the car and it was gone. I was very suspicious that it was a vacuum leak and I think I might have been right because my engine idle's better now and and no code.
I have to say I've owned a few cars and these BMW's are very sensitive compared to the other Japanese cars I've owned.
Members
Joined: Nov 2009
Posts: 192
Likes: 0
From: New Jersey
My Ride: 2004 BMW 545i 6mt, Titanium Silver, Sport Package, Winter Package
I will change the thermostat next if it comes back, and I'll change the water pump while I'm at it too just for the shear joy that I have, working on cars 
Thread Starter
Members
Joined: Mar 2009
Posts: 39
Likes: 0
From: Philadelphia, PA
My Ride: 2005 545i
No light has come on since?
To update my SES light, Over the last weekend I was messing with any hoses that lead to the valve covers on the engine, just moving them and twisting them around after that I started the car and no more SES light. I didn't even have to use the scanner, I just turned on the car and it was gone. I was very suspicious that it was a vacuum leak and I think I might have been right because my engine idle's better now and and no code.
I have to say I've owned a few cars and these BMW's are very sensitive compared to the other Japanese cars I've owned.
To update my SES light, Over the last weekend I was messing with any hoses that lead to the valve covers on the engine, just moving them and twisting them around after that I started the car and no more SES light. I didn't even have to use the scanner, I just turned on the car and it was gone. I was very suspicious that it was a vacuum leak and I think I might have been right because my engine idle's better now and and no code.
I have to say I've owned a few cars and these BMW's are very sensitive compared to the other Japanese cars I've owned.
Members
Joined: Dec 2008
Posts: 19
Likes: 0
From: Las Vegas
My Ride: Silver 545i loaded, Sport
Just got back from the dealer and he said my 2005 545 "Increased Emission" was caused by a rubber hose under the intake manifold that was leaking. I don't know exactly what the dealerwas talking about and I am not paying them 1050.00 to fix it. The notice comes and goes but the car seems to run ok. Anyone heard of this problem?
Thanks
Thanks
Members
Joined: Nov 2009
Posts: 192
Likes: 0
From: New Jersey
My Ride: 2004 BMW 545i 6mt, Titanium Silver, Sport Package, Winter Package
Ok so.... My SES light keeps on turning on then off at its own free will. I am for certain it is a vacuum hose. So. 545LV I think your mechanic might be right since its the same issue I have been having. When I get a chance I'm gonna try to get to that vacuum hose.
Members
Joined: Oct 2009
Posts: 173
Likes: 1
From: Texas
My Ride: Orient blue '05 545i, Sport/Premium Pkg, 6Speed MT, Xenon, Navi, Blue2th, PDC,
This is the part you need 11727508270
http://realoem.com/bmw/showparts.do?...81&hg=11&fg=50
Since SES message was saying bank 1-4 was having a problem I also replaced the valve - 11727553101 and the gasket 11727506214
After the repair the light didn't come on.