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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > MHD Motiv help needed (PROBLEM SOLVED)



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      08-19-2019, 11:11 PM   #1
Wingnutts
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MHD Motiv help needed (PROBLEM SOLVED)

In the E85 quest, I've installed my Fuel it stage 2 lpfp a few weeks ago. The past two evenings I've installed the Motive sensor and short fuel lines and tonight I connected it to my DME. I followed the instructions exactly and carefully. I have triple checked all the connections. I already had MHD stage 2+ E50 running and I also downloaded the E85 mix maps a couple of weeks ago. I've reloaded the map twice now since hooking up to the DME. In theory, I should be up and running. But I'm not. My ECA voltage averages between 1.81-1.82. My Ethanol content and Fuel Interpolation both do not read anything are showing 0.0. I have driven over 25 miles giving it time to read, but nothing. All connectors are snug, the box is pigtailed into the bottom inside wire for power and the ground is piggy backed on to the other ground shown in the instructions.

Anyone have an idea? TIA

Problem solved!

A fellow on the spool street forum gave me the direction I needed. I was still using an e85 mix map. Stage 2+ e50 to be exact. Once you have the Motiv sensor installed with the e85 MHD mix maps pack, you have to use a regular map like Stage 2+ 91/93/95 OCT. Then the Motiv sensor will work with the MHD mix maps pack. Who knew....

Last edited by Wingnutts; 08-21-2019 at 09:04 AM.. Reason: Problem solved
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