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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-16-2008, 08:17 PM   #1
chay2263
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Join Date: Jun 2008
Location: Jackson,MS
Posts: 418
My Ride: 330i Sport Package
ECT Sensor

Anyone know where the Engine Coolant Tempature Sensor is? How hard is it to change?
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Old 08-16-2008, 11:25 PM   #2
PEI330Ci
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Quote:
Originally Posted by chay2263 View Post
Anyone know where the Engine Coolant Tempature Sensor is? How hard is it to change?
There are 2 coolant sensors; one is mounted to the bottom passenger side corner of the radiator, one is mounted at the back of the cylinder head just under the intake manifold.

If you need to change the coolant temp sensor on the head, you'll need to take the intake manifold off to get access to it.

I highly recommend you purchase a Bentley manual for your vehicle.
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Old 10-30-2008, 08:47 AM   #3
Crazy330CI
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Join Date: Oct 2008
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Bently Manual

I just saw a reply that indicated a Bentley manual should be purchased. Can you give a newbie more information on these manuals? Like how complete are they? Do they show all the wiring? Thanks.
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Old 10-30-2008, 12:17 PM   #4
mrshelley
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http://www.bentleypublishers.com/product.htm?code=b305

They have a very good wiring harness section. I couldn't live without it.
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