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Re: I feel Sorry for bigots like you! (archive)

[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]

Posted by Scottie on February 03, 2001 at 12:38:58:

In Reply to: I feel Sorry for bigots like you! posted by Paul S. on February 03, 2001 at 10:40:41:

The "harm" is that you forged other people's names in attempts to fraudulently ensdorse a commercial product on this message board, which is for BMW E28 related topics -- not public spamming.

If you want to mention a new product, ONE message is sufficient. If your product is as good as you claim, people will endorse it ON THEIR OWN.

My opinion is that ridiculous products -- like this R2D2-CP3O crap, or whatever you call it (I'm a "Star Wars" fan!) -- that claim to reduce fuel consumption by introducing atmospheric air into the intake system after the air mass sensor are an insult to our intelligence.

For fellow readers, here is how the fuel injection system works, in a nutshell. I'm sure someone will correct me if I am wrong somewhere. The fuel Bosch system on our cars -- and most others today -- have a pre-determined "map" of fuel/air/temp/timing mixtures whereby the injection system can determine the ideal balance of spark timing and fuel to deliver the fuel injection system based on a these various factors. The ideal situation is when the motor is burning all of the fuel injected into the chamber. This is called the "stoichiometric" mixture (or somesuch spelling).

From the factory, BMW cars are "detuned" somewhat to accomodate emission standards, fuel grades, etc... That's why we have companies like Dinan and JimC and AutoThority producing new maps for our beloved beasts.

If one was truly interested in obtaining better milage, one would produce a redesigned chip. This would allow better control over the fuel injection process, not introduce an air leak into the manifold vacuum. This is precisely what we are attempting to eliminate! When the system has a vaccum leak (as this product seems to be producing), it will run lean. This is because the air is coming into the system **after** the air flow meter, so the Motronic **doesn't know** that new air is being introduced into the system and therefore can not feed more fuel to compensate, thus producing a lean mixture. Also, a lean-running engine will be more responsive to throttle input (as the web site claims), because lean running engines are jumpy and run hotter. [In the old carburator days (am I old?) we used to tune 2002s by leaning the weber out out until they it ran choppy on the highway and then richen the mixture by two jet sizes.]

OK. Fool, now that you have apolgogized, you now have my formal permission to take your stupid product and shove it up your bum.

Be gone. And rather than threaten to sue me. Why don't you do something more chivalrous and threaten to beat me in...say...an auto race. Or is your lean-running car lacking in power?

Ooops. Did I mention a sore spot?

My best to all fellow bimwads and sorry 'bout the spelling, but I am excited. My brother and I are off to the scrap yard. I will post pictures later of the trip and my liposuction job done last week.

Peace

Scottie is out


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