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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 > Did MHD BEF and now car starts then dies right away



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      07-11-2019, 03:21 PM   #1
tphaeng
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Drives: derrrty
Join Date: Sep 2010
Location: Florida

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Did MHD BEF and now car starts then dies right away

Hey everyone.

I need some help with trouble shooting my car.

First time I flashed the car I was running jumper cables to another car and did a "pump gas" BEF. It went to 100% complete and showed the message that I need to turn off ignition and wait 30 seconds and start up. Car started and then dies right away. I tried flashing the "stock" flash same thing. Then I tried the map 0 same thing.

Emailed mhd and they told me to check fuel pump fuse. I replaced it because it was blown tried flashing again same thing.

did some research and removed jb4 and tried again same thing. I check all fuses in fuse box all were good.

I checked fuse for my bimmerlife coil packs and that was good as well.

Is there anything else I should check?
Appreciate 0
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