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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: 335i N54 CrankShaft Position Sensor Replacement (DME FIX? maybe..)



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DIY: 335i N54 CrankShaft Position Sensor Replacement (DME FIX? maybe..)
Possible DME Failure FIX!
Published by sammy_0559
08-27-2012
DIY: 335i N54 CrankShaft Position Sensor Replacement (DME FIX? maybe..)

THis is the link to my original problem.
http://www.e90post.com/forums/showthread.php?t=736949

Okay Recently ran into this problem from time to time WOT followed by Half engine light and car going crazy. Also car cut off boost, and wouldn't shift out of 3rd. scared the daylights out if me then i read the codes and they are shown below they did not want to clear. Restarted the car LONG crank then started up felt like my torque converter was out.. anyways i also got DME internal error codes. so i started but replacing the crank shaft sensor. and decided to do a DIY since i could not find any and could find anyone sharing their experiences.

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Also got a Transmission code that i could not clear with the JB4 you could use INPA, i used my dads Snap On Diagnostic machine DOhicky thingy. anyways cleared it and it went away AFTER I REPLACED THE SENSOR!

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So far so good car is pulling hard and I'm Code free. now lets get on with the DIY shall we.

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First take your air intake off. (not the manifold!)

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assuming you have your cowl off

Then Lets get started.

Tools:
E8 Torx socket

Small flat head screw driver

A ton of extensions

CrankShaft sensor 13 62 7 525 015, and the Gasket (O-Ring)
(NOT CAMSHAFT!!! my dad ordered that one set me back 3 hours -_-)

Long Mechanics Magnet YOu will Drop the screw, haha i did a ton of times.

Plenty of light or a flash light.


The Sensor is located Under the starter i did it while the car was hot BAD IDEA.

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Use a E8 Socket and about 2 long extensions should be Enough

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After the Removal. pull on the wire to get the Sensor out bring it into reach use a small flat head screw driver to un clip the connector carefully.

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Then after its out put the NEW O-ring on the New Sensor, place it in the Hole. then carefully Fish the bolt into the hole without dropping it in the Bay i did about 3 times.


Tighten the Bolt Just snug not too tight.

then reconnect the wire and your done after you put your intakes on, and cowl on...you can leave the cowl off

hope this helped enjoy.
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  #1  
By CALWATERBOY on 09-12-2012, 10:46 PM
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Bentley says:

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  • Crank Sensor Torx Bolt Torque........6 ft lb........8 N/M
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  #2  
By sammy_0559 on 09-12-2012, 11:40 PM
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Quote:
Originally Posted by CALWATERBOY View Post
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Bentley says:

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  • Crank Sensor Torx Bolt Torque........6 ft lb........8 N/M
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Attachment 750166
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  #3  
By MontegoChris on 04-11-2013, 02:08 AM
Good write up!!!
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  #4  
By KCX_335xi on 04-13-2013, 03:25 PM
Thanks for this.... I am currently working on it... Your pictures saved me !
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  #5  
By robc1976 on 04-13-2013, 04:33 PM
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I replaced this a while back just for the hell if it lol! Great DIY man!
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  #6  
By KCX_335xi on 04-13-2013, 05:08 PM
That sensor was NOT easy to find... All lights are gone, my car runs great......
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  #7  
By markbian on 05-01-2013, 06:28 PM
Good Info. my water pump was gone 2 weeks ago, when shop replace it(aoch! $1.3K), they mentioned there was a code for CrankShaft Position Sensor. I told them don't bother, because there was nothing wrong. I might end up need to replace it too if I got CEL late on.
Thanks!
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  #8  
By N54TW on 05-17-2013, 02:20 PM
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Thanks for the write up. I had the same problem, I changed the sensor and unfortunately still experiencing the same problem (code came back). Has this happened to anyone else?
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  #9  
By Chad McCan on 07-16-2013, 09:27 PM
Thanks for this DIY. The sensor is hard to find, lots of hoses/wires in the way. My install went as planned. I didn't drop the screw once! Took almost an hour from start to finish.
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  #10  
By StealthFish on 04-23-2014, 10:00 PM
I'm getting code P2A98, could it be the crankshaft sensor as well? I saw a Youtube video stating that it was a camshaft VANOS sensor and it was a DIY video to replace the camshaft VANOS solenoid.
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