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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > White Somme on take off

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      04-29-2024, 01:50 PM   #1
Talx
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I’m getting a tad of white (like just a bit of a mist) some on take off or after the car idles for a bit but nothing when I’m on throttle. I’m talking about hot running conditions
Not loosing coolent or oil, anyone have ideas?
Car has 20,000 miles on it stg 2 for 15,000
Doesn’t seem to be smoking enough to be a bad turbo. Also have open exhaust system with catless DP opf delete and open back box.

This hasn’t been the case for the 20,000 miles it’s a new occurrence.


Thanks for the help upfront 🙏
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      04-29-2024, 02:06 PM   #2
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It can be normal if the exhaust pipes have not been heated up enough to evaporate all the condensation from combustion. If it doesn't linger or smell odd, I'd bet it's just condensation.
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      04-29-2024, 02:12 PM   #3
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Quote:
Originally Posted by Enabled View Post
It can be normal if the exhaust pipes have not been heated up enough to evaporate all the condensation from combustion. If it doesn't linger or smell odd, I'd bet it's just condensation.
Sorry forgot to mention I’m talking about hot running conditions
Also have open exhaust system with catless DP opf delete and open back box.
Also this hasn’t been the case it’s a new occurrence
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      05-03-2024, 01:35 PM   #4
n8dgr84
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The charge cooler is probably leaking internally and you're burning the coolant. Check the coolant reservoir at the firewall.
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