Diffference in emission systems '04 545i and '05 550i

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06-01-2006, 08:42 PM

abdoul

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My Ride: 2004 BMW 545i 1999 BMW 740i (for sale currently) 1995 Euro BMW M5 3.8 1992 BMW 850i 1984 Euro BMW 635csi (for sale currently) 2002 MB C320 (for sale currently) 1998 MB 500SL 1984 Euro MB 500SEC AMG 1971 MB 280se 3.5 coupe 1993 Range Rover LWB (for sale currently) 1975 Fiat 124 Spider

These two cars seem to have a different emission system setup. Anyone knows exactly? Any pics? Thanks in advance

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06-06-2006, 08:03 AM

abdoul

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Quote:

Originally Posted by abdoul' post='291347' date='Jun 2 2006, 12:42 AM

These two cars seem to have a different emission system setup. Anyone knows exactly? Any pics? Thanks in advance

No one knows?

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06-06-2006, 08:22 AM

swajames

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My Ride: 2008 Porsche 911 Carrera S Convertible. Midnight Blue, 6 Speed.Retired - 2007 997 Carrera S, Midnight Blue, Grey leather, premium audioRetired - 2007 550i, Monaco Blue over Beige, Navigation, Logic 7, Cold Weather Pack, Comfort Access, Sport Package

Model Year: 2008

I'm not sure what the specific differences are but the changes were apparently at the heart of the early introduction of the 07 model year in the US in light of the necessary certifications etc. There are some operational diffferences that have been highlighted on threads recently. The 550 seems set to run a high idle upon cold start (settling down quickly to a normal idle) which many of us thought might be a software glitch but seems to perhaps be connected to fuel efficiency and emissions. Sorry I can't be of more help.

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06-06-2006, 09:18 AM

my530i

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Looks for emission decal under the hood. It always states emission components. It's Federal law. You'll see it listed number of catalyst, oxygen sensors, etc.