I'm new to the forum so excuse my naivete!
I have an 02 jetta GL with 58K on it. My oil change history has been the following (wrongly assuming that the suggested 10K OCI with conventional oil was ok): 5K, 10K, 20K, 30K, 35K, 40K, 45K, 56K, 58K. After reading these boards I have seen the error...