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  #1  
Old 04-11-2016, 07:25 AM
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X5 M Turbo broken?

Here is a video I took earlier today. It's on a 2011 X5 M with 57K miles.

It's me moving the camera/phone from one intake bank to the other, with the housing removed. The left/passenger bank is making the sound, which I can only describe as a wobble. There is no sound coming from the other intake bank, besides the background noise.

Not sure if it's the turbo going out or maybe some sort of exhaust leak making the sound but I'm preparing for the worst.

If it's the turbo, may replace both with Pure Turbos.

Anyone hear anything like this before? Deal with this issue? Any help or suggestions would be appreciated.

Thanks.

https://youtu.be/s3N1jkQP6ZU
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  #2  
Old 04-17-2016, 07:34 PM
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that's I stick with the e53
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Old 04-18-2016, 03:14 PM
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Quote:
Originally Posted by electricalserv x5 View Post
that's I stick with the e53
Yeah, had that 4.8iS too...the headache with the Self Leveling Suspension (amongst other things) was bigger than anything I've experienced so far in the E70 (including injectors).
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Old 04-22-2016, 07:30 PM
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how does the turbo sound under load? I haven't heard that noise coming from a turbo before.
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Old 04-22-2016, 07:56 PM
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Originally Posted by Joshdub View Post
how does the turbo sound under load? I haven't heard that noise coming from a turbo before.
Good question. I'm not sure, I haven't tried to put it under load to see if anything changes. I'll try to record and post it.
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  #6  
Old 04-23-2016, 02:59 PM
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The frequency of the sound increases with throttle imput.

https://youtu.be/JzxWSm3HVTA
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Old 05-20-2016, 09:13 PM
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What ever came of this?
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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Old 05-20-2016, 09:49 PM
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What ever came of this?
No updates as of yet. I was following up a lead that my vacuum pump may be loose and making the sound but that injector deal derailed me.
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Old 05-20-2016, 10:07 PM
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Just like everything what N63 related, my vacuum pump had issues as well...apparently it was only leaking though.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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Old 05-20-2016, 10:12 PM
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Originally Posted by m5james View Post
Just like everything what N63 related, my vacuum pump had issues as well...apparently it was only leaking though.
Yeah, it's been hell of a ride (pun intended). Having some buyers remorse. Should have grabbed an E92 M3 instead.
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