Thread: Coolant Expansion Tank
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      04-18-2024, 03:45 PM   #51
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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There are cases of leaking coolant tanks causing injector failure and/or coil failure and ruining totally stock F90 M5 engines. BMW dealers have replaced some under warranty and they would not do that if they could find a way to deny coverage.
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