Quick Remap Question - E60 525d
#12
The BMW TIS says that most "chip tuning" gains power simply by injecting more fuel. I guess that's only when you want it i.e. when you put your foot down, but means you'll get more power at the expense of MPG and at other times the MPG will stay the same.
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chadillac2000
E60, E61 Parts, Accessories and Mods
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09-13-2017 11:15 AM