Thank you both. I see now. So if the maf measures less air going in it will send the signal to send less fuel.

I am still baffled by the one bank though.

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Faisal in Laurel, MD.

INSERT New E31 Here

2002 BMW X5 4.4L (Daily Driver)
2002 BMW 330Ci (The other Daily)
2001 Jet Black BMW MZ3
1997 Arctic Silver BMW Dinan 8 (My first 8 and love)
BMW 860i (12.219 sec @ 114.42 MPH) ( I miss it soooo)
2003 Pacific Blue Jaguar ARDEN X-Type (spousal Transport)