Ya I'm sure most of you 128 guys are averaging probobly 5-7 mpg better than the 135. All of my previous bmws which were NA averaged between 25 and 28 highway usually and about 65mph was the sweet spot for the best mileage but that was too slow and I usually went 80 anyway.
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2013 BMW 135i Alpine white/coral red JB4 stage 2/ AFE stage 2 sealed intake box/ VRSF 3.5 inch catless dp/ Dinan exhaust/ Alpine V3 6000k HID angel eyes/ JB speed AW rear lip spoiler/ OEM mud flaps. ER charge pipe/ VRSF 7 inch FMIC forge star CF5s 19x8.5 and 19x9
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