IAT - and Oxygen sensor - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 08-30-2003, 04:02 AM
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Hey..I`m new to this forum and I must say that is really genius.. A really helpfull thing.

I have some questions that i hope someone can help me with. You see, I have bought a resistor-chip that is supposed to add more hp to the engine if I replace it with the IAT-sensor(Coolant temperature sensor) or the oxygen-sensor. The problem is that I can`t find any of them. If some of you have good pictures of their loacations I would be very happy. I don`t know if this upgrade gone give much satisfaction, but I really want to try it out...


Have found some pictures on the nett, but none of the m40 motor.
Yesterday I went like this ghead

So pleeeaaaassss help..... :lol:
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#2 (permalink) Old 09-28-2003, 05:55 AM
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The temp sensor is on the left hand side of the head towrds the rear ... nightmare to get too but worth it.......
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#3 (permalink) Old 09-28-2003, 09:04 AM
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i dont know a thing about the m40 engine, where did you get this chip?brand name?
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#4 (permalink) Old 09-28-2003, 02:15 PM
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bah. Its a chip that makes the car run rich or lean depending on the chip. It may/will destroy engine seals and whatnot.

The oxygen sensor is on the exhaust header. its not that hard to find, its the only thing connected to it.

<span style='font-family:Geneva'><span style='font-size:14pt;line-height:100%'><span style='color:red'>Fox</span></span> <span style='color:gray'>the Pirate</span>
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#5 (permalink) Old 09-28-2003, 02:17 PM
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Hi,

It's really not a chip - but a plain resistor, which jams the correct readings from air temperature sensor. I have tried it on M44, and it wouldn't give me any noticeable advantage. Note - your check engine light may come up.

I am really skeptical now about these gizmos, 'cause I don't believe BMW designers were ignorant enough not to know that engine heat would affect the readings of the air temperature sensor.

Resistor is very low-class If you want something that al least LOOKS more sophisticated, try smth like:

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...&category=42604

It's not my auction and I don't know a thing about whether it actually works - but at least this thing doesn't bypass air-temp sensor all together.
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#6 (permalink) Old 10-01-2003, 11:40 AM
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Just read the e-bay link from mostwired. Anyone tried or heared about these G-Boxes?
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#7 (permalink) Old 10-07-2003, 11:25 PM
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POS POS POS

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