Ahmad, welcome first of all...
What model is your 335? You mentioned problems in your cooling system? Oil or water? The earliest batches of the 335 (N54 engine) DID have a serious cooling fault in which after a few laps on the track the temp gauge is in red-land. Also spirited street driving seemed to produce the same effect on the coolant temperature. I've posted a thread about it long ago, try searching...
I'm curiuous to know the details of this...
What model is your 335? You mentioned problems in your cooling system? Oil or water? The earliest batches of the 335 (N54 engine) DID have a serious cooling fault in which after a few laps on the track the temp gauge is in red-land. Also spirited street driving seemed to produce the same effect on the coolant temperature. I've posted a thread about it long ago, try searching...
I'm curiuous to know the details of this...
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