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Added July 21, 2025 by pwqcmech
2017 bmw M24oi stock except catles downpipe. MHD stage 2 91 oct tune. trouble with lean bog.gets worse the lower the fuel gets especially on a road course.85000 miles. replaced the o2 sensors when I tuned it and reset the adaptations for the throttle and o2 sensors etc any clues? low pressure fuel pump?
  • 91 Octane
2017 bmw M24oi stock except catles downpipe. MHD stage 2 91 oct tune. trouble with lean bog.gets worse the lower the fuel gets especially on a road course.85000 miles. replaced the o2 sensors when I tuned it and reset the adaptations for the throttle and o2 sensors etc any clues? low pressure fuel pump?
Fuel Type: