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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 03-22-2008, 12:55 AM   #41
Pancho328i
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Quote:
Originally Posted by Pancho328i View Post
Do you think the the 32mm wrench I purchased for replacing the fan clutch will fit the vanos solenoid?

Pancho328i
It did fit. It's great that the same size wrenches are used in many places around the car, a bit of good design on BMW's part. I also cleaned the ABS sensors, which used the same 5mm allen bolt as the CPS.

This was one of the easiest DIYs I've done. I didn't have to move the oil filter canister, but I was lucky to find a leftover allen L wrench that was a little shorter than usual on the long side, such that it was able to turn under the return hose, once it was unplugged.

I also removed the whole airbox. In my 328i it's as much work as removing just the top. It's just two bolts and the clips that go into the air mass flow sensor. Once the box was removed I had more than enough space to plug the CPS connector without moving anything else.

I didn't remove the old sensor until the new wire was routed properly. Overall it took me about 1 hour. Piece of cake.

Last edited by Pancho328i; 03-22-2008 at 01:13 AM.
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Old 06-16-2008, 11:38 PM   #42
rshanley
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Great DIY. I am not mechanically inclined, but the pics and write-up got me through it. It took about 90 minutes, including changing the oil. This cured my p0344 code, the occasional stalling, and it improved my fuel economy by at least 10% (i.e., brought it back to where it was before the old sensor went bad).

Thanks for the great write-up and pics!
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Old 08-15-2008, 03:59 PM   #43
fauchpj
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this might sound idiotic, but im stuck at removing the VANOS solenoid. When looking down at the engine, I have been pulling up (left) to loosen it. I have gotten nowhere like this. Does it turn the other way because the only way to look at it is backwards?
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Old 08-18-2008, 07:07 AM   #44
NoVaDreier
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Push down to loosen the VANOS solenoid.
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Old 10-03-2008, 02:22 AM   #45
globe_trotter
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Thumbs Up Cps diy

Thanks so so very much for this DIY it saved me a fortune!! As far as the job went well it was all good untill I tried to remove the vanos solonoid. The thing was so friggen tight you wouldnt belive it! Finally after screwing with it for about 30min i finally got it to budge, not before almost totally rounding the bolt. That part was a TOTAL *****, but once that was aside it was smooth sailing.

Thanks again, awsome DIY!
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Old 10-13-2008, 06:35 PM   #46
bmwbun
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I too wanted to thank those who posted such informative information about the DIY.

I found it very very useful to read before I successfully completed the job today. (My Peake tool was sending code: 15 41)

Here are my adds:

When I bought my parts (from Evan at Tischer!) I purchased not only the new sensor but also the o-ring for it, a replacement o-ring for the vanos solenoid, and a new screw for attaching the sensor. All these extras were cheap and help ensure a good job. The screw for the sensor cost $0.36 and came with a dab of loctite already on it.

Someone in this thread mentioned earlier to be careful removing the vent pipe attached to the valve cover. I can attest to this because when I removed mine it snapped in two. The plastic becomes extremely brittle.

The replacement part for that vent tube costs $25-30. After it broke, I removed the old and then installed the new at the difficult end using a long thin screwdriver and my hands.

Thanks again to the posters of the great DIY info.
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Old 10-14-2008, 10:15 AM   #47
im2stupid
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Originally Posted by Demon Eyes Kyo View Post
Thanks Pigeon for this DIY but with no pics itís kinda hard for me to figure out how to do this.
wow, you should've posted your diy as a separate post or put it up on some website, I missed all the great pics after skipping over this thread the first time around due to lack of eye candy.

thanks for the great instructions.
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Old 10-16-2008, 07:54 PM   #48
Boston325Ci
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Did this DIY a while back, but just a couple notes that might be useful to the next DIY'er:

1. Buy an OEM sensor! I bought an aftermarket one and it was faulty. Spend the extra $ and get OEM.
2. I broke the vent tube as others did, so be careful around it. The replacement tube was reinforced with a foam wrap, but nonetheless was still a nuisance to replace.

Thats all!

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Old 10-20-2008, 06:43 PM   #49
Big Mikey
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Thanks this helped me alot!
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Old 10-21-2008, 06:58 PM   #50
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Hi, I also had problems starting the car and the code P0340 so I removed the cam position sensor by just taking off the VANOS (the sensor was real dirty and had some gray gel on it) and I cleaned re-installed it and the car works again and the service engine light went out too. I still have to test it for a few days to see if is fixed for good, if not I'll just get a new sensor, but all I did so far was cleaning it and this looks like it solved the problem and it only took 20 min for the whole thing.
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Old 10-31-2008, 10:41 AM   #51
MK153
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Where did you all buy the part?

After some research it appears to be part number

12 14 1 438 081

On oem-bmw-parts.com its $220 - isn't it supposed to be like $50?
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Old 10-31-2008, 10:44 AM   #52
MK153
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Called a different dealer and they said it superceds to a new part: 12 147 539 165 ($126.62)

I can't find anything about that part number online - did he say it wrong?
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Old 10-31-2008, 11:07 AM   #53
Boston325Ci
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http://www.pelicanparts.com/cgi-bin/...FILTER_BMWM=ON

The part number I got was 12 14 1 438 081, which I was told was the most up to date part # available...Pelican Parts has it for ~ $90.00
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Old 11-01-2008, 12:00 PM   #54
astor
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P0340 Camshaft Position Sensor Circuit Malfunction

"P0340 Camshaft Position Sensor Circuit Malfunction" Sensor and thermostad changed 3 weeks ago and now P0340 light came again and the car does not pick up speed as normal! Should I remove and reinstall or something else?It was OEM sensoe and looked like it solved the problem now again! Any suggestions?
Thanks
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Old 12-29-2008, 02:18 PM   #55
ReXy
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Did the research and Got mine from BMW of Murry. Changed it out myself.. took 20 mins and cleaned the air filter.....
Man I love this website =-D
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Old 01-03-2009, 07:02 PM   #56
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Originally Posted by Pigeon View Post
If you remove the airbox and the tube as described you'll barely have enough room to run the wire by hand. It's tight, and I scratched my hand up some, but you can do it. Good luck!

Scott

just replacing my camshaft position sensor..

great DIY.

unfortunately I was doing mine toward the end of day and ran out of light...so I'm just waiting on running the new wire.

running the new wire back the same way is a real biatch...

one thing I WISH I might have tried first (just a heads up) would be to maybe take a piece of string and some solder or bendable wire.

I'd tie the string to the wire or solder and then make a hook or something so you can attach it on the electrical connection end of the camshaft position sensor. You have to be able to clamp it on with one hand so using bendable wire or solder wire would be perfect I bet.

Then pull the old sensor out with the string attached. Disconnect the old sensor and attach the one to the end of the string and pull it back...

Hopefully now you can just fish your new on back in with the string.

I didn't think of trying this until I pulled it out and now I'm not quite sure how it runs back in.

worth a try.
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Old 01-12-2009, 02:41 PM   #57
cowboyjunkie
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Camshaft Sensor O-ring

I ordered a replacement sensor from Autohaus and it is larger with an o-ring already on it. It is the sensor on the right. It just seems like a very thin ring but it is very difficult to push the sensor in with the OEM ring in the hole. Do I still need the larger o-ring on before installing this new sensor?

Just thought someone might have dealt with this already.

The part # I got is
12 14 1 438 081
It is a bilstein nr 24162

Thanks
Steve
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Old 01-13-2009, 02:48 AM   #58
Demon Eyes Kyo
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I'm glad this DIY helped so many people. No need to remove oil filter if you have the correct 5mm allen key (L-shaped)

Cowboy - Even though the new sensor you bought is larger, it should still fit with the o-ring on. Put some engine oil on the sensor first to coat it then try wiggling the sensor in.
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Old 01-14-2009, 11:10 AM   #59
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Thanks for the reply! I took the thin oring off that came on the part and slid the thicker one that I ordered seperately and was the same diameter as the original. It popped in nicely and so far no oil leaks. It also runs like a dream now...forgot how quick it used to be. I cleaned the MAF sensor as well while I had the air box off. I love this car!
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Old 02-13-2009, 09:52 AM   #60
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Just what I needed. Mine just went out. Thx.
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