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Old 02-03-2013, 11:59 AM   #1
MaxC
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Join Date: Feb 2013
Location: Toronto
Posts: 3
Help! Carbon build up with knocking sound every 3 months

I have a 2010 118i and got knock sound from the engine around every 3 months after the first oil change at 3500 km. I did it at 3500 km because the light showed the oil level was low.It's been 2 1/2 years now. When I heard the knock first time, I went back to the dealer and had a thorough check but found no problem at all. So they cleaned the cylinder and I thought that would be it.

But after that, I got the knock every three months and I need to go to the dealer for cylinder cleaning. They had done some complete check and sent the data back to Germany but found nothing wrong.

Any one got the same problem with 118i? Or any suggestion will be very appreciated!


p.s. The knock sound comes around 1600 rpm when I hit the acceleration very gentle. And everytime they did find carbon build up in engine. I am using highest quality gas (octan 98) here and with ok driving style.
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Old 02-03-2013, 12:21 PM   #2
5style
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No one here has a 118i, so no one will even be able to remotely diagnose the issue whicgh is most likely a 118 thing across the board. They never sold 1 series hatches here.
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Old 02-03-2013, 12:37 PM   #3
MaxC
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I know there is no hatch back sold in Canada. Just that I moved back to Taiwan and got this annoying problem with my car and thought maybe can find some suggestion here, since I can't find any solution from local so far....
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Old 02-03-2013, 01:17 PM   #4
5style
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Quote:
Originally Posted by MaxC View Post
I know there is no hatch back sold in Canada. Just that I moved back to Taiwan and got this annoying problem with my car and thought maybe can find some suggestion here, since I can't find any solution from local so far....
try bfC
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Old 02-03-2013, 01:59 PM   #5
MaxC
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try bfC

What is bfC?
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Old 02-03-2013, 06:08 PM   #6
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