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      09-15-2019, 12:23 PM   #29
BlkSVT
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Drives: 2019 M2c BSM, 2020 MB GLC63
Join Date: Aug 2018
Location: NW Burbs of Chicago

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Quote:
Originally Posted by FreeDarko View Post
Is it possible to get worse mileage on the M2c compared to M3 on CS tune.

I knew I would struggle with the small gas tank but can't tell if its my driving style on the M2c that's causing such large discrepancy between the two S55 engines.
Not sure how many miles you have, but mileage improved substantially after ~3,000 miles on mine
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