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      05-10-2022, 02:51 AM   #119
Matthei
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Drives: 530xd e61, Merc S500 4matic
Join Date: Apr 2022
Location: Finland

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I might be reviveing an old thread but a lot of people who seem to have the same problem are here so I wanted your opinions.
I am having the same problem, as in when i accelerate and the turbo goes in effect a massive black cloud appears from the exhaust, I investigated a bit more and there seems to be a leak from the small connector from the crankcase breather to the intake pipe to the turbo.
I changed the crankcase breather and noticed my crankcase breather is completly empty with no loo roll or vortex filter, should i buy one?

I was also suprised about the amount of oil that came out of the intercooler when i disconnected it.
I have a mapped car which has an output of 300hp and haven't checked the valve seals.

So i was now wondering is it the crankcase breather or the turbo leaking?
Is it the valve seals?
What worked out for you guys?
Appreciate 0