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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 12-09-2012, 10:21 AM
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mjalloul11 mjalloul11 is online now
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O2 sensors

I changed my O2 sensors with a used unit because it is hard to find an original NTK one, however i was wondering if the BOSCH sensors of the TU engine would work with the m52 and the ECU would read the signal. I know the wire is short but that can be fixed.
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Old 12-09-2012, 11:44 AM
Steve530 Steve530 is offline
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I don't know what the M52TU used, but I 'm pretty certain that the M52s in the 2008-09 MY used a titania sensor instead of the zirconia sensor used by the M54. I think that the sensors made by NTK used in those models was a titania sensor.

The ECU supplies voltage to the titania sensors, but the zirconia sensors generate a voltage. So they are not interchangeable. The NTK sensors are available, they're just expensive, like $90.
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Old 12-09-2012, 01:30 PM
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Will they produce the same signal for the ECU?
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Old 12-09-2012, 01:34 PM
Steve530 Steve530 is offline
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If you're asking if a titania and zirconia sensor produces the same signal for the ECU, the answer is no. They are entirely different sensors.

I do not know what sensor a M52TU uses, so I can't tell you if it works with your M52. I don't even know what years the M52TU was manufactured. I suggest you look at realoem to determine if a M52 and M52TU uses oxygen sensors with the same part number
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Old 12-09-2012, 02:02 PM
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mjalloul11 mjalloul11 is online now
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what about universal sensors, they are made for all makes and models. does it matter what kind of material it is made of as long as it provides the same voltage as the OE does and at the same rate?
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Old 12-09-2012, 02:54 PM
Steve530 Steve530 is offline
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I think the type of sensor you car has does not provide a voltage to the ECU. I think the ECU provides a voltage to the sensor and measures the voltage drop across that sensor. You must use that type of sensor.

AFAIK, universal sensors are really universal fit sensors. That means the wires are not terminated for a specific application. If you can find a universal fit titania sensor, you might be able to use it if you can figure out how to wire it correctly

You might want to look at the wikipedia article on oxygen sensors. That explains the difference in the sensors.

Do you know which NTK sensor your car uses? I mean the NTK part number.
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Old 12-09-2012, 11:51 PM
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It is Siemens 5wk9 0231 and NTK 1427884 with the BMW logo on it . And thank you for your feedback
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