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      01-07-2018, 11:53 AM   #7
Tpeterson
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Drives: 228i MSport/THP/MT/
Join Date: Feb 2015
Location: Eagan Mn

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Quote:
Originally Posted by mayday813 View Post
Has anybody experienced coolant usage with your M240 (B 58 engine)? I recently drove 1400 averaging 71 mph and had to add coolant to both reseviors. This is not the first time that I've had to add coolant and not due to sustained highway speed driving. Vehicle has about 11k miles on it.
Are the reservoirs vented tho the intake manifold? It is on my Ford so I have to add small amounts yearly to that car. My BMW has the N20 in it and I haven't seen venting in that engine and I haven't added any coolant.
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