How do you change the oil and filter? What are the tools neccessary do the job? What type oil is recommended and how many quarts? BMW 325i sports winter edition.
http://www.diymybmw.com/e46/oil-change/ You can purchase the BMW-approved oil at your local dealer, and get a discount with your 'CCA membership. There are too many threads here and elsewhere about oil brands and weights - go with your heart!