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Turbine speed sensor location

Tiny
ANDRIN ATEM
  • MEMBER
  • 2002 BMW X5
  • 4.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 19,673 MILES
32 EGS (Electronic Transmission Control): gear 1
monitoring
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Wednesday, March 31st, 2021 AT 11:25 AM

12 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
This happens when the turbine speed sensor goes out. Here is how to replace the sensor in the diagrams below. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Thursday, April 1st, 2021 AT 1:04 PM
Tiny
ANDRIN ATEM
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  • 250 POSTS
Hi Ken, I am sure you are referring to the speed sensor which is connected to the trans body.
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Thursday, April 1st, 2021 AT 1:27 PM
Tiny
ANDRIN ATEM
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  • 250 POSTS
Please I like to know if the turbine speed sensor is inside the gear box or just on the body?
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Friday, April 2nd, 2021 AT 9:44 AM
Tiny
ANDRIN ATEM
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  • 250 POSTS
Do I have to open the cover and empty the transmission fluid to get to it, or its just fitted on the outside of the gear box?
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Friday, April 2nd, 2021 AT 9:45 AM
Tiny
KEN L
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Yes, you need to remove the transmission pan. Here are instructions to help you get the job done. Check out the diagrams (below). Please let us know what happens.
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Saturday, April 3rd, 2021 AT 11:21 AM
Tiny
ANDRIN ATEM
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  • 250 POSTS
Thanks, I will let you know what happens.
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Sunday, April 4th, 2021 AT 3:44 PM
Tiny
ANDRIN ATEM
  • MEMBER
  • 250 POSTS
Hi Ken, I got the transmission cover removed. I can see two turbine sensors at both ends opposite to each other. How can I test the sensors to know which is malfunctioning? Can I also interchange them?
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Monday, April 5th, 2021 AT 4:00 PM
Tiny
ANDRIN ATEM
  • MEMBER
  • 250 POSTS
Hi Ken. I got both sensors out and I did a resistance test with a voltage meter. On one I got 3.50 oms and the second I got 3.33 oms. I also did live data on output speed I realize the sensor with the 3.33 omes does not transmit as that of 3.50, while I hook the sensors with my ignition key open I had another mechanic using a screwdriver to touch the metal part on the sensors.
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Tuesday, April 6th, 2021 AT 6:35 AM
Tiny
KEN L
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Sounds good let me know what happens once you have it back together.
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Thursday, April 8th, 2021 AT 10:19 AM
Tiny
ANDRIN ATEM
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Sure.
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Saturday, April 10th, 2021 AT 1:06 AM
Tiny
ANDRIN ATEM
  • MEMBER
  • 250 POSTS
Hi Ken, please this is the part which I took out from the gearbox based on the images you sent. I hope this is what the turbine output speed sensor looks like?
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Monday, April 12th, 2021 AT 12:32 AM
Tiny
KEN L
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That's it. Let me know how it goes.
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Tuesday, April 13th, 2021 AT 9:38 AM

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