What is the fuel economy of a 2018 BMW 640i Convertible?

EPA figures for the 2018 BMW 640i Convertible reach 23 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.

Are there recalls on the 2018 BMW 640i Convertible?

NHTSA lists 2 safety recall campaigns for the 2018 BMW 640i Convertible. Check your specific vehicle by VIN on the official NHTSA site - recalls are fixed free of charge by dealers.

What are common problems with the 2018 BMW 640i Convertible?

Owners have filed 8 complaints with NHTSA for the 2018 BMW 640i Convertible, most often about: Forward Collision Avoidance, Electrical System, Engine. Complaint counts reflect what owners report, not confirmed defects.

BMW · 2018

2018 BMW 640i Convertible

Official EPA fuel economy and NHTSA recall record, best combined figure 23 MPG.

Fuel economy (EPA)

Engine	Transmission	Fuel	City	Highway	Combined	CO2 g/mi
3.0L 6-cyl	Automatic (S8)	Premium	20	29	23	378

Safety recalls (NHTSA)

2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.

Campaign 18V465000

BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 2

Campaign 19V684000

BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50

Owner complaints (NHTSA)

8 complaints filed by owners for this model year (3 involving a crash, 0 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.

Forward Collision Avoidance 2 Electrical System 1 Engine 1

Decode this car's VIN All BMW models EU CO2 & registrations

Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.