![ESS E-Flash N54](/images/product/ess-e-flash-n54-is1m-spec-ecu-performance-software-z4-s-drive35is/480x420.jpg)
![ESS E-Flash N54](/images/product/ess-e-flash-n54-is1m-spec-ecu-performance-software-z4-s-drive35is/84239/75x75.jpg)
ESS E-Flash N54 "is/1M" spec ECU Performance Software Z4 S-Drive35is
![ESS E-Flash N54](/images/product/ess-e-flash-n54-is1m-spec-ecu-performance-software-z4-s-drive35is/320x320.jpg)
![ESS E-Flash N54](/images/product/ess-e-flash-n54-is1m-spec-ecu-performance-software-z4-s-drive35is/84239/320x320.jpg)
DirectFlash Stage 1 :
Top Speed Governor: Removed
RPM Limit: 7200RPM
Fuel requirement: 91US
Horsepower: 400 DIN (Stock 335) - 390 DIN if used with stock intercooler
Torque: 550NM
Normal whp range on DynoJet: 345-365whp
Category: Z4
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