Before buying a used 2018 BMW 340i, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
NHTSA hasn't published 5-star ratings for this model year.
Source: NHTSA New Car Assessment Program.
No listings here yet — new vehicles are added daily.
No owner complaints have been filed with NHTSA for this model year.
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| 340i — Auto (S8), 6 cyl, 3.0 L, Turbo | 11.2 L/100 km (21 mpg) | 7.4 L/100 km (32 mpg) | 9.4 L/100 km (25 mpg) |
| 340i — Man 6-spd, 6 cyl, 3.0 L, Turbo | 12.4 L/100 km (19 mpg) | 8.1 L/100 km (29 mpg) | 10.2 L/100 km (23 mpg) |
| 340i xDrive — Auto (S8), 6 cyl, 3.0 L, Turbo | 11.2 L/100 km (21 mpg) | 7.6 L/100 km (31 mpg) | 9.4 L/100 km (25 mpg) |
| 340i xDrive — Man 6-spd, 6 cyl, 3.0 L, Turbo | 12.4 L/100 km (19 mpg) | 8.1 L/100 km (29 mpg) | 10.2 L/100 km (23 mpg) |
| 340i xDrive Gran Turismo — Auto (S8), 6 cyl, 3.0 L, Turbo | 11.8 L/100 km (20 mpg) | 8.1 L/100 km (29 mpg) | 10.2 L/100 km (23 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
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, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive, 340i, 340i xDrive, 330i xDrive Gran Turismo, 530i, 530i xDrive, 540i, 540i xDrive, 530e, 530e…
Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.