Bmw, mercedes, lexus, it doesn't matter, most but not all of the owners of these cars just pump regular unleaded.
Get Does Bmw X3 Need Premium Gas
Pictures. Both my bmw and mb recommend premium. The light went off for 10mins then came back on again.
2016 Bmw X3 New Car Review Autotrader from www.autotrader.com
I've always thought that for just driving around town getting normal gas is fine, but driving at highway speeds(or speeding on the highway) would make me nervous. It first gave me a warning sign to add coolant which i did, 1 liter. Shell didn't all of a sudden get better so bmw started recommending them.
However, this is not true.
However, this is not true. Plus i am a mechanic, and engineer. Now the dealer ship insists it the fuel and recommends regular gas. What, exactly, does your owners manual say?