Navigation System. Silverstone Metallic 2015 BMW M4 RWD 6-Speed Manual 3.0L I6 Odometer is 20566 miles below market average! 17/26 City/Highway MPG Reviews: * Impressively powerful turbocharged engine; sharp and responsive handling; stout brakes; agreeable ride quality; roomy and solidly built interior. Source: Edmunds * If you crave the excellent handling and power of the 3 Series sedan in coupe or convertible form, look to the 2015 BMW 4 Series. The new 4-door Gran Coupe is the only 4 Series with room for five, and is able to carry cargo easier, thanks to its wide-opening liftgate. Source: KBB.com<br><br>Doc Fee:$200 <br>Estimated Dealer Fees are those required to be disclosed by law and do not include tax, title, registration, and other potential dealer charges. A negotiable documentary service fee of up to $200 may be added to the sale price or capitalized cost. Estimated Dealer Fees are those required to be disclosed by law and do not include tax, title, registration, and other potential dealer charges.