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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 Harmonic Balancer Wobble!
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      09-24-2011, 03:40 PM   #1
Whipple
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Harmonic Balancer Wobble!

Today I opened the hood on the 535 to show its nice engine bay to a friend and noticed the harmonic balancer had a wobble ,this is with the engine running.This is the largest pulley at the lower central part of the engine,its right under the tensioner pulley,This might be normal im not sure or it might be just an optical illusion,but if one of you kind ladies or gents can check to see if your car does the same it would be greatly appreciated,I also did notice it in the day light not sure if its visible at night using a flashlight.
Thanks
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      09-25-2011, 10:40 AM   #2
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Try the 3 Series N55 board. The F10 board is sparsley populated rather annoyingly!
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      09-25-2011, 01:28 PM   #3
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Try the 3 Series N55 board. The F10 board is sparsley populated rather annoyingly!
Thanks bro,I guess 109 people have no idea what a harmonic balancer is
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      01-06-2018, 05:57 PM   #4
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Quote:
Originally Posted by Whipple View Post
Today I opened the hood on the 535 to show its nice engine bay to a friend and noticed the harmonic balancer had a wobble ,this is with the engine running.This is the largest pulley at the lower central part of the engine,its right under the tensioner pulley,This might be normal im not sure or it might be just an optical illusion,but if one of you kind ladies or gents can check to see if your car does the same it would be greatly appreciated,I also did notice it in the day light not sure if its visible at night using a flashlight.
Thanks
did you ever figure out the issue with the wobble? My 2011 535 is making the most annoying pulsing squeak noise. I checked and it was wobbling. I ordered a new one hoping it will solve the issue. It seems to have corroded over time due to a minor oil leak which I just had repaired. 92k no warranty lmao I'm playing the lottery hopefully I don't win
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      01-06-2018, 07:38 PM   #5
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Quote:
Originally Posted by Uclafan85 View Post
did you ever figure out the issue with the wobble? My 2011 535 is making the most annoying pulsing squeak noise. I checked and it was wobbling. I ordered a new one hoping it will solve the issue. It seems to have corroded over time due to a minor oil leak which I just had repaired. 92k no warranty lmao I'm playing the lottery hopefully I don't win
not sure if he'll respond since this post was back in 2011? he probably has a different car by now
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      01-06-2018, 07:40 PM   #6
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Quote:
Originally Posted by lsturbointeg View Post
Quote:
Originally Posted by Uclafan85 View Post
did you ever figure out the issue with the wobble? My 2011 535 is making the most annoying pulsing squeak noise. I checked and it was wobbling. I ordered a new one hoping it will solve the issue. It seems to have corroded over time due to a minor oil leak which I just had repaired. 92k no warranty lmao I'm playing the lottery hopefully I don't win
not sure if he'll respond since this post was back in 2011
Lol he was active not to long ago so thought I'd try lol
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      01-06-2018, 09:57 PM   #7
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Quote:
Originally Posted by Whipple View Post
Today I opened the hood on the 535 to show its nice engine bay to a friend and noticed the harmonic balancer had a wobble ,this is with the engine running.This is the largest pulley at the lower central part of the engine,its right under the tensioner pulley,This might be normal im not sure or it might be just an optical illusion,but if one of you kind ladies or gents can check to see if your car does the same it would be greatly appreciated,I also did notice it in the day light not sure if its visible at night using a flashlight.
Thanks
If it's that serious you need to fix/check that ASAP. Wobble will cause you to "Spin your bearings".
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      01-07-2018, 01:13 AM   #8
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Quote:
Originally Posted by lsturbointeg View Post
Quote:
Originally Posted by Uclafan85 View Post
did you ever figure out the issue with the wobble? My 2011 535 is making the most annoying pulsing squeak noise. I checked and it was wobbling. I ordered a new one hoping it will solve the issue. It seems to have corroded over time due to a minor oil leak which I just had repaired. 92k no warranty lmao I'm playing the lottery hopefully I don't win
not sure if he'll respond since this post was back in 2011? he probably has a different car by now
Lol truueeeee didn't even pay attention : 10 for effort
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      01-07-2018, 09:42 AM   #9
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Completely normal, I have 3 cars with the same N55 engine and all 3 are the same in the harmonic balancer area !
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      01-07-2018, 09:47 PM   #10
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Originally Posted by humbertob View Post
Completely normal, I have 3 cars with the same N55 engine and all 3 are the same in the harmonic balancer area !
Yeah but does that just mean all 3 of your n55s are having balancer failures lol

Cause the wobble is not supposed to be there. It's like a off balance ceiling fan it might work now but eventually it's gonna fail for good
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      01-07-2018, 09:55 PM   #11
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Quote:
Originally Posted by Uclafan85 View Post
Quote:
Originally Posted by humbertob View Post
Completely normal, I have 3 cars with the same N55 engine and all 3 are the same in the harmonic balancer area !
Yeah but does that just mean all 3 of your n55s are having balancer failures lol

Cause the wobble is not supposed to be there. It's like a off balance ceiling fan it might work now but eventually it's gonna fail for good
Then all of my 3 cars will explode soon ! LOL !
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      01-07-2018, 09:58 PM   #12
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Quote:
Originally Posted by humbertob View Post
Quote:
Originally Posted by Uclafan85 View Post
Quote:
Originally Posted by humbertob View Post
Completely normal, I have 3 cars with the same N55 engine and all 3 are the same in the harmonic balancer area !
Yeah but does that just mean all 3 of your n55s are having balancer failures lol

Cause the wobble is not supposed to be there. It's like a off balance ceiling fan it might work now but eventually it's gonna fail for good
Then all of my 3 cars will explode soon ! LOL !
Nooooolol take it back, only reason I'm asking is I've never even had to worry about a harmonic balancer in any other car I've ever owned so I'm assuming this just happens to be one of the gremlins of the n55 lol

Seems like it's pretty common in these motors
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