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Re (2): Nitrous Oxide on BMW's

My apologies,

I mis-spoke about the type of air sensor in Ruell's 318ti.  These cars are 
fitted with the vane type air flow sensor, not the hot film type air mass 
sensor.

>>....My plan is to place the Nitrous injector in the intake pipe before the 
>>AFM. This way, I can just change the Intake when I'm not using Nos. Would 
>>nitrous affect any sensor reading I should be concerned about? 

>Ruell-

>The AFM is the Air Flow Meter, right?  As I understand it, BMW uses a hot wire 
>sensor to measure air flow.  The wire is heated to a specific temperature, and 
>the amount of voltage required to maintain that temperature is proportional to 
>the air mass flowing past it.  If you put nitrous up-stream of the AFM, the 
>cooling effect of the expanding nitrous (from liquid to vapor) would play havoc
>with this sensor....

Regards,
Jim Moran

PS. - Check out my homage to BMW's coupes: 
http://www.geocities.com/motorcity/2502