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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum engine knock
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      02-05-2013, 11:08 AM   #1
ajandhek
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engine knock

ive come up to the red light and my music is turned off..next thing I know I felt a slight knock in my brake and my steering wheel..it is very slight but not loud whatsoever and occurred nearly every 10 seconds ..has anyone else felt this or heard anything like this
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      02-05-2013, 02:22 PM   #2
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You said it only happens when you stop at lights. Do you have Auto Stop/Start fitted?. When it is activated mine shudders briefly as the engine turns off.
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      02-05-2013, 06:55 PM   #3
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I have the same thing and it's been driving me crazy for the past two weeks. But I thought i'm up for an oil change next month and will let the dealer check it...
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      02-05-2013, 10:01 PM   #4
ajandhek
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what do u mean my fitted
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      02-06-2013, 09:17 AM   #5
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What grade of gas are you using?
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      02-06-2013, 10:26 AM   #6
ajandhek
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      02-06-2013, 11:13 PM   #7
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Mine was doing that occassionally and then I started getting drivetrain errors. They went away for a day or two and then came back. The dealer replaced all of my fuel injectors. They claimed a bad batch of injectors were to blame, and seemed to know all about it. Haven't had a problem since.
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      02-07-2013, 07:00 PM   #8
ajandhek
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thanks for the info
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      02-14-2013, 11:59 PM   #9
ajandhek
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update:I figured the knock only happens when the heater or ac is running when u turn it off the knock isn't there hmm
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      02-15-2013, 06:34 PM   #10
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I have the same problem. It's like a twitching that happens every few seconds with the heater on. You can hear it if you listen closely by the drivers headlamp. I need to bring my car in to get all my problems fixed.
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      02-15-2013, 09:41 PM   #11
ajandhek
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I thought i was the only one lol
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