What is the use of a computer?
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You mean an computer to tune your car with? Like an UTEC, or EXEDE? Well simply put, they allow the user to control/alter different variables your stock ECU normally controls such as the fuel trim, ignition timing, boost pressure, rev limit and many others (each one is different and some don't allow you to change everything of course).. That is the purpose.
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From: Kandahar, Afghanistan
Car Info: 09 E90 M3 SEDAN w/DCT
More power, better power, more usable power...better fuel economy...many uses. Check out the Engine management forum.
Basically, a computer allows you to optimize your setup, because the stock computer has already had millions invested in tuning, and it is optimum...an a stock car with no mods...you must also realize that the stock ECU is tuned with a HUGE safety margin...if you make that margian even slightly more narrow, you will see pretty significant gains...
This is just the crash cours ECU 101...there are tons of resources out there for you to read!
Good luck,
Andy
Basically, a computer allows you to optimize your setup, because the stock computer has already had millions invested in tuning, and it is optimum...an a stock car with no mods...you must also realize that the stock ECU is tuned with a HUGE safety margin...if you make that margian even slightly more narrow, you will see pretty significant gains...
This is just the crash cours ECU 101...there are tons of resources out there for you to read!
Good luck,
Andy
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jaytheman
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Feb 5, 2010 07:52 AM