Question: what are the bmw x series?
Answer: BMW X1 (SUV based on 1 Series platform) BMW X2 (SUV based on 1 Series platform) BMW X3 (SUV based on 3 Series platform) BMW X4 (SUV with Coupé roofline, based on X3 platform) BMW X5 (SUV based on 5 Series platform) BMW X6 (SUV with Coupé roofline, based on X5 platform) BMW X7 (SUV based on 7 Series platform)