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      09-30-2021, 04:16 PM   #16
xcusem3
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Drives: 2013 M3
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What does altitude have to do with anything here??
These cars have turbo chargers.. the ECU just calibrates the boost/timing, etc. to offset the ever-so-slight oxygen delta at higher elevations. If bmw still made N/A motors, then this would be a very different story!
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