The third generation is codenamed G01 and was unveiled in June 2017. Designed by Calvin Luk, BMW's Australian designer,[61] drivetrains include two 2.0-litre diesel units known as B47, a next-generation 3.0-litre diesel engine (B57), and a petrol variant (B58): a gasoline-powered, turbo-charged straight-six with a displacement of 2,998 cc and a plug-in hybrid.[62]

Technology is shared with the BMW 5 Series (G30), such as gesture control (optional), LED exterior and interior lighting, and the BMW iDrive 6.0 system with a 12.5-inch touch-screen monitor for navigation systems. Depending on the model, the new X3 is as much as 55 kg (121 lb) lighter than a comparably equipped corresponding model from the previous X3 generation.[63]

The BMW X3 is well-regarded for its safety, having earned a five-star rating from the National Highway Traffic Safety Administration (NHTSA) and a Top Safety Pick+ award from the Insurance Institute for Highway Safety (IIHS).[64]

In July 2018, BMW introduced the ability to option the X3 with the sDriveintelligent rear-wheel drive system.[65]

In 2019, the X3 xDrive 30e (which shares its powertrain and platform with the G20 330e xDrive) iPerformance model was introduced, sharing its engine with the X3 sDrive20i/xDrive20i and a 50 kW (67 hp) electric motor, it has a maximum electric range of 27–30 mi (43–48 km).[66] It has a 12 kWh battery (9.6 kWh usable) along with a newly developed system called "XtraBoost" allowing a temporary power increase from the electric motor of up to 30 kW (40 hp).