I've been very curious on this subject too since replacing e46 330ci 6MT with new 125i 6MT. Same general trips and more awareness of consumption (even paying some attention to the shift lights). Both generally using Caltex 95.
330ci - Mid 10s
125i - High 11s
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2014 M235i / EB-II / Coral / Sunroof / Comfort & Parking Packages
2014 X3 3.0d / M sport / AW / Sunroof
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