E90 Valve seat faulty

Discussion in 'Engine Tech' started by Flixs, Aug 7, 2016.

  1. Flixs

    Flixs New Member

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    My E90 got white smoke & the mechanic tell me that valve seat need to replace. Is it other way than top overhaul to fix this? Engine treatment?
     
    Luklogy likes this.

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