Dear forum friends. The engine of our V40 Bj.2000 rotates unscathedly high with the engine temperature indicator falling at the same time. I had described this problem before, but it could not be clarified by 2 sites. Today I wanted to replace the sensor and the thermostat and saw this: see photo. Now my question, before I exchange the two parts, which according to reading should not be broken: If oil does this damage and runs into the spark plugs, can this cause our problems? And what consequential damage can result from it. I am grateful for every tip, let your expert