The 2007 BMW 3 Series used a 3.0-liter I-6 engine that was buffed up from the past year (230 hp from the previous 215, and 200 lb-ft from the previous 185). 2007 BMW 3 Series Reliability. The 2007 BMW 3 Series is a relatively-unreliable oddity within the E9X generation. The 2020 BMW X3 is considered a reliable vehicle for several reasons. One is that it has a solid and efficient engine lineup, including a turbocharged 2.0-liter four-cylinder and a turbocharged 3.0-liter six-cylinder. Additionally, the X3 has a well-crafted interior, high-quality materials, and a comfortable and composed ride. .

bmw 3 series years to avoid