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      04-17-2024, 03:26 PM   #3
1BmwOwner1
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Drives: 2013 Bmw 135i
Join Date: Jul 2019
Location: United Kingdom

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Quote:
Originally Posted by RoundelM3 View Post
More likely it's either a head gasket problem or possibly the TMIC leaking coolant into the intake tract. Any oil leak would produce blue-ish smoke. Get a compression test and check your TMIC for leaks. Also, your S55 engine has two turbos.
Now you mentioned that, i have been leaking coolant.
My friends who recently serviced my car, said i do have a slight coolant leak but nothing serious but he wasn't sure where the leak was coming from without removing everything to locate it.

I'm not sure what TMIC is, but i will ring a few garages and ask if they are able to do compression tests and check for TMIC.

Thankyou for you input
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