Im curious how much gas is e39 consuming..?
A quick duckduckgo turned up this:
https://www.car-emissions.com/cars/model/BMW/5+Series+E39
https://www.ultimatespecs.com/car-specs/BMW/41290/BMW-E39-5-Series-Touring-520i.html
https://www.encycarpedia.com/bmw/00-520i-touring-estate
https://www.encycarpedia.com/bmw/00-520i-saloon
for fans and owners of BMWs