What would be the fuel consumption of a fairly maintained 1993 BMW 520i? And is it essential to convert the air cooling system for the present R134 type refrigerant?
You should get 16-17 city and 22-23 hwy, slightly better with manual transmission. If you take your car in to get service on A/C system they have to convert it over per EPA standards.
Great help! Thanks a lot.
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