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      02-19-2021, 09:02 PM   #11
TwinSnailz
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Drives: 2011 X5//M
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There are no freeze plug. The block is aluminum.
If the valley is dry and it is leaking back there, the rear cap is the only thing.

Since you mentioned that you have a borescope available, snake it under the alternator and work it towards the back for any coolant leak.

Last edited by TwinSnailz; 02-19-2021 at 09:07 PM..
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