Thread: JB4 running map 4 on stock 540
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      07-30-2020, 04:33 PM   #1
HEBREWHAMMER0913
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Drives: BMW 540
Join Date: Jul 2020
Location: North Carolina

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JB4 running map 4 on stock 540
I just got this JB4 since my car was too new to flash Bootmod without a DME unlock. Has anyone ran map's 4 or 5 to get max power out of this car and do we need to have this EWG to run the maps ?
Appreciate 1
Jonzny92.50
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