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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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Old 03-13-2019, 02:49 PM
Dash Riprock Dash Riprock is offline
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Location: Calgary
 
Join Date: Nov 2014
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Mein Auto: 2012 X5 35d
How much oil is too much in your turbo?

So I took my 2012 35d (95,000 miles) into a new indy mechanic to get the thermostat replaced and figure out why I was getting oil leaking on passenger side of motor. He sent me the following pictures and told me my the following pipe was cracked, but wasn't sure if my turbo was ruined, he indicated there was oil in it. I was in a meeting so the conversation was not detailed. He was going to make some calls and get back to me with an estimate. I have not seen any performance issues in the last while and I have no idea what I am looking at, but I did not get a good feeling from our phone call.

Has anyone seem something similar?

Thanks for your help.
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Last edited by Dash Riprock; 03-13-2019 at 02:50 PM.
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  #2  
Old 03-13-2019, 06:25 PM
PeterO PeterO is offline
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Location: Portland OR
 
Join Date: Jan 2018
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Mein Auto: X6M, '90 E30 vert
First pic looks like a gunky engine and the second could be a hairline crack in the turbo. Its pretty clean though so I would wonder why he thinks its from that. Might just be a superficial thing too, hard to tell. There is going to be some oil in there from the CCV system (Does the diesel have this?). Its usually pretty clear if the turbo is bad as it will not spool at all or blow a ton of black smoke.

IMO it should be pretty obvious if the turbo is leaking oil externally. If thats the case at the very least the fittings need to be fixed.
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Old 03-15-2019, 01:15 PM
robnitro robnitro is offline
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Location: NYC area
 
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Mein Auto: x5 35d e70 2011
Its on the turbo fresh air side which isn't extremely hot. Was there oil coming out of this crack?

I'd just clean it and put a later of jb weld on to of it as a coating. It could be just a weird mark left by a bad casting where dirt gets stuck inside but the jb weld should work fine for many years.
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Old 03-18-2019, 03:41 PM
Dash Riprock Dash Riprock is offline
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Location: Calgary
 
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Mein Auto: 2012 X5 35d
I could not tell you if oil was coming out from the crack as I cleaned that side of the engine before I took it to the shop, we were trying to diagnose if/where the turbo oil lines were leaking.
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