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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-27-2012, 12:57 PM   #21
jfoj
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Full jfoj treatment!! Most of what you likely need.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299

Last edited by jfoj; 11-27-2012 at 12:59 PM.
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Old 11-27-2012, 01:24 PM   #22
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http://realoem.com/bmw/showparts.do?...51&hg=12&fg=05

The Bosch FGR7DQP aka "Platinum +4" 4-prong plug or NGK BKR6EQUP 4-prong plug is spec'd for the 330i (and probably 325 as well--didn't check)

And I agree on the full JFOJ treatment--replace it all otherwise all that rubber is just prone to leaking and cracking.

Don't forget the IAT o-ring and the vacuum canister controlling the exhaust flap.
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Old 11-27-2012, 02:02 PM   #23
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Originally Posted by jfoj View Post
Full jfoj treatment!! Most of what you likely need.
I've done both boots, DISA repair and o-ring... Have the sparks and VCG in my closet(been there for 4 months ) think my fuel filter and ccv is next

Awesome info as always!

Mango, IAT o ring and vac canister??
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Old 11-27-2012, 02:10 PM   #24
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Originally Posted by Tampa02e46 View Post
I've done both boots, DISA repair and o-ring... Have the sparks and VCG in my closet(been there for 4 months ) think my fuel filter and ccv is next

Awesome info as always!

Mango, IAT o ring and vac canister??
Yes. For starters. Theres multiple potential areas for vacuum leaks. Those are just two of them. Next to the line that feeds the vacuum canister is another port blocked off by a rubber cap. That rubber cap is completely rotted on all E46s and can cause a vacuum leak.
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Old 11-27-2012, 02:14 PM   #25
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Originally Posted by E46Mango View Post
Yes. For starters. Theres multiple potential areas for vacuum leaks. Those are just two of them. Next to the line that feeds the vacuum canister is another port blocked off by a rubber cap. That rubber cap is completely rotted on all E46s and can cause a vacuum leak.
So this never worked out? : http://forum.e46fanatics.com/showthread.php?t=948243

What is the IAT though?
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Old 11-27-2012, 02:19 PM   #26
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So this never worked out? : http://forum.e46fanatics.com/showthread.php?t=948243

What is the IAT though?
Yeah it worked out. I just left the canister there for next time I'm down there. But it's disconnected.

The IAT is the intake air temp sensor. it sits on top of the manifold. remove the fuel rail cover, unplug the sensor, and simply pull up on the sensor itself. it pops out. the seal there can cause a vacuum leak.

BMW part#13621743299



Edit: 15 and 16 are the parts/ports I was talking about. Cap them.

(some of these people that are angry at me will take advantage of this and use this information--fine by me, but they should stop giving me a hard time since i'm giving them lots of tips and pointers)
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Last edited by Mango; 11-27-2012 at 02:21 PM.
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Old 11-27-2012, 02:35 PM   #27
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(some of these people that are angry at me will take advantage of this and use this information--fine by me, but they should stop giving me a hard time since i'm giving them lots of tips and pointers)
OOOO mango, you know they really love ya! haha, such a burden to be so well informed isn't it

The IAT is #3 ?

Thanks man, I'll check out those vac lines.
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Last edited by boostedisbetter; 11-27-2012 at 02:36 PM.
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Old 11-27-2012, 03:14 PM   #28
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Tampa, if replacing IAT, be sure to blow around it before you remove it. Years of dust will have formed a small pile of dirt around it...try to avoid it dropping into intake mani if you can...compressed air would be perfect...if not, small probe and a vacuum cleaner.

Might as well get another iat o-ring for your temp sensor on lower cooling hose.
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Old 11-27-2012, 03:38 PM   #29
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Tampa, if replacing IAT, be sure to blow around it before you remove it. Years of dust will have formed a small pile of dirt around it...try to avoid it dropping into intake mani if you can...compressed air would be perfect...if not, small probe and a vacuum cleaner.

Might as well get another iat o-ring for your temp sensor on lower cooling hose.
Cool, I have a compressor so that will work. So the #4 IAT o-ring is the same part number for that lower cooling hose o-ring?

edit: nevermind, found my answer http://www.bimmerfest.com/forums/sho...d.php?t=409007

Haven't done my coolant overhaul yet, that's going to happen with my CCV and VCG install, all at once. Parts are piling up
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Old 12-17-2012, 02:16 PM   #30
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My 20 YO just called and ask if I had done anything to his car??-- "no why?" His response: "I put the new gas cap on and the Service Engine light went out!" -Yeah. I hope it was that easy... hanging on to the new oil separator to dipstick tube, DISA & dip stick O-rings just in case.

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