Nearly every car brand has a few independent tuners that work their magic modifying their cars. Dinan has carved out a strong reputation in the USA BMW universe. Today's modified Dinan 540i poses a strong argument against BMW's highest performing in house car the M5. With E39 M5 prices climbing by the day, the price disparity between the two cars is literally huge. The stock 540i makes nearly 300 horsepower and is a bargain performer in it's own right. Find this 1998 BMW 540i for sale in Newtown, CT for $9,650 via craigslist.
