hi lm new to the forum so here goes l have just purchased a used e 61 touring 520 d manual l think its the best thing since sliced bread having had a merc clk 240 auto which suffered high fuel consumption,transmission noise glad to get rid of it.ive had bmw ,sinthe past the last one a e46 320 ci which we wont talk about because u could write a book about these terrible model,but back to the 520d 82000 miles full bmw history excellent performance,and fuel consumption just one question having checked the computor for the service history is it worth waiting for the engine oil which it says has another 13000 miles before changing or is ti worht getting it done before thanks excellent forum