The F15 generation (2014-2018) spans 6 US-market models, powered by the N55, N57, N20, N63 engines.
The BMW F15 is the third generation of the X5, BMW's original Sports Activity Vehicle. Produced for the U.S. market from 2014 to 2018, it refined the formula established by its predecessors: a mid-size luxury SUV that drives with more precision than its size suggests. The F15 rides on BMW's CLAR-adjacent platform architecture and offered one of the most diverse powertrain menus in the segment, from a twin-turbo six to a V8 and even a plug-in hybrid. You can confirm the exact build details of any example using our VIN decoder.
BMW offered six F15 X5 variants in the United States, covering rear- and all-wheel drive as well as electrified drivetrains:
The volume F15 models used BMW's N55 single-turbo inline-six in the 35i cars, delivering a smooth, torque-rich character that suits the X5's grand-touring mission. The xDrive35d paired a torque-heavy inline-six diesel with excellent highway economy, while the xDrive40e plug-in hybrid used a turbocharged four with an electric assist for short all-electric commutes. The xDrive50i topped the range with BMW's twin-turbo V8. Most models used the ZF eight-speed automatic and xDrive all-wheel drive, with the sDrive35i being the sole rear-drive option. To understand how these powertrains fit into BMW's broader engineering lineage, see our BMW DNA overview.
The F15 is a mature, comfortable SUV that rewards buyers who prioritize maintenance history. As with most modern BMWs, cooling components, gaskets, and electronic accessories deserve attention on higher-mileage examples, and the plug-in xDrive40e adds hybrid-battery considerations that a pre-purchase inspection should cover. Diesel xDrive35d cars appeal to long-distance drivers, while the V8 xDrive50i is the choice for enthusiasts who want maximum thrust.
Shoppers cross-shopping this era of BMW often also research the brand's contemporary sedans and coupes built on platforms like the E60 5 Series and the E63 6 Series, which share engineering philosophy and much of the same drivetrain heritage. For any specific F15, always decode the VIN to verify the exact model, engine, and factory equipment before committing.
| Model | Engine | Years | Order Code |
|---|---|---|---|
| BMW X5 sDrive35i | N55 | 2014-2018 | 14XO, 15XO, 16XO, 17XO, 18XO |
| BMW X5 xDrive35d | N57 | 2014-2018 | 14XI, 15XI, 16XI, 17XI, 18XI |
| BMW X5 xDrive35i | N55 | 2014-2018 | 14XG, 15XG, 16XG, 17XG, 18XG |
| BMW X5 xDrive40e | N20 | 2016 | 16XT |
| BMW X5 xDrive40e iPerformance | N20 | 2017-2018 | 17XT, 18XT |
| BMW X5 xDrive50i | N63TU | 2014-2018 | 14XJ, 15XJ, 16XJ, 17XJ, 18XJ |