Thread: 135i MHD flash failed => car wouldn't start => how it was fixed
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      02-26-2019, 05:25 AM   #10
MightyMouseTech
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Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

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Originally Posted by juld0zer View Post
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Originally Posted by MightyMouseTech View Post
The cheaper ones we use are 55 amps, the bigger ones will do 90 amps continuous.

https://www.deutronic.com/produkte/d...-computer-1ac/

When programming, it is normal to see the power supply putting out 25-30 amps.
..or more! MHD flashing probably won't do it but programming an F or G series car through ISTA can easily increase current draw to double that. The blower and headlights come on, fuel pump sometimes..
Ugh, programming G cars....
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