[milkyman]

Does anyone know what is behind windscreen sensor unit behind interior mirror as i keep getting thin strip of oil running down screen from it.

 

[Gremlin]

I don't know, but yes it happens on mine too

 

[Hywel S Wales]

When i saw this i thought it was a wind up ! .... but i see others have had this happen too -

Clear oily substance leaking from rear view mirror - North American Motoring

F55/F56/F57 Stock Problems/Issues - Clear oily substance leaking from rear view mirror - Today I noticed a clear oily substance leaking from my rear view mirror. The substance is leaking down the windshield on the inside of the cabin. The rear view mirror is the one with the rain sensor. Has...

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