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Rush 06-17-2006 02:52 PM

Crank Sensor e39
Anybody know where is it located and how do I replace it? *wave*

O.S. 06-17-2006 03:02 PM

go to

click Tips and Tricks
then find Cam Position Sensor Replacement writeup

Quack 06-17-2006 04:05 PM

Cam sensor isn't the same as a crank sensor, most likely the crank sensor is located on top of your tranny housing very close to the engine block, it normally reads off the ring gear

O.S. 06-17-2006 05:09 PM

at least I tried :)

Rush 06-17-2006 09:21 PM

Found it and replaced ... pretty easy. Thank you *th-up*

Quack 06-17-2006 10:05 PM

where was the crank sensor located? it would be nice to know for future reference for other members

Rush 06-18-2006 03:56 AM

1 Attachment(s)
pic attached ...

Quack 06-18-2006 04:04 AM

that's the cam position sensor, I thought you were looking for the crank sensor

Rush 06-18-2006 01:28 PM

Turns out it's the same thing ... got me confused too.

Quack 06-18-2006 02:52 PM

well I know some cars have both & some cars don't have the crank sensor because it pretty much gets the same results, the cars ECU can figure it out, I guess our E39's only needs one

RMPMOTORS 06-19-2006 12:23 AM

E39 have both a cam and crank sensors, the crank sensor on the 4.4 is on the bottom of the bellhousing on the transmission right side, on the 6cyl models its in the block lower left side.


Quack 06-19-2006 12:39 AM

thanks for clearing that up Rocco*th-up*


NOTORIOUS VR 06-29-2006 09:11 PM

most EFI cars have both a CAM and CRANK sensor... and they are not the same thing.... the crank sensor gives the ECU the engine speed signal (which is also used to firing the ignition), and the CAM sensor is for thing like sequential injection control, cyl. dependant knock sensing, etc, etc...

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