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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 10-23-2012, 07:55 AM
unclewilbur unclewilbur is offline
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Location: Portland, OR
 
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Mein Auto: 2001 325xi, 1974 VW Bus
How do I reset the Service Engine Soon light, 2001 325xi?

I got gas over the weekend and the Service Engine Light came on like immediately after. I'm quite sure that dude didn't put the gas cap back on correctly (I live in Oregon, where we can't pump our own gas). Does the light go off on its own? I reset the cap as tight as I could (didn't really hear the "click" it described on the cap) ... should I worry? Does it turn off?

Thanks for any advice.
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  #2  
Old 10-23-2012, 08:52 AM
KenG KenG is offline
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If it was the gas cap it takes a bit for it to turnoff our you can get a scanner

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  #3  
Old 10-23-2012, 08:55 AM
unclewilbur unclewilbur is offline
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Okay, thanks. I've put about 50-60 miles on this tank of gas, so I will see if it turns off on its own.
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  #4  
Old 10-23-2012, 10:09 AM
VP VP is offline
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Typically it takes a number of drive cycles without the problem occurring before the MIL goes off, not miles. Not sure how many that might be though.
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  #5  
Old 10-23-2012, 10:50 AM
KenG KenG is offline
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Quote:
Originally Posted by unclewilbur View Post
Okay, thanks. I've put about 50-60 miles on this tank of gas, so I will see if it turns off on its own.
Head to any autozone or pepboys and get it read. Might be something else besides the cap, better safe then sorry

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  #6  
Old 10-23-2012, 10:54 AM
numindast numindast is offline
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It'll probably go off on its own. It took about a week for my fiance's Chevy to shut off the light after the gas cap was loose.
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  #7  
Old 10-23-2012, 10:27 PM
GoForthFast GoForthFast is offline
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If your cap doesn't click, it probably is the problem. Get a new one if you can't make it work.
My light usually goes off after a few miles in this instance, as a reference.
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  #8  
Old 10-24-2012, 05:42 AM
unclewilbur unclewilbur is offline
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Location: Portland, OR
 
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Mein Auto: 2001 325xi, 1974 VW Bus
Quote:
Originally Posted by GoForthFast View Post
If your cap doesn't click, it probably is the problem. Get a new one if you can't make it work.
My light usually goes off after a few miles in this instance, as a reference.
Does it click multiple times like normal gas caps do, or just once? I can't even get it to click once, but I also noticed that it's different than most gas caps.
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  #9  
Old 10-24-2012, 07:59 AM
scarede46er scarede46er is offline
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Mein Auto: 2001 BMW 325i ZSP
It does not really click. But you can feel it go inside a groove. Either way turn it all the way till you cannot turn it anymore.
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