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      01-16-2023, 10:40 AM   #1
johnlapay
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Drives: F30 335i
Join Date: Jan 2020
Location: UK, London

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BMW E92 N55 335i (2011) No start - please help

Hi everyone.

I hope maybe someone can help here because I don't really know what to do now. I think I tried everything.

The car just stopped one day and didn't want to start. Had the Valvetronic error code and DME was fried. Now DME replaced and cloned from the old one. Valvetronic servo motor replaced. All cables from the battery were tested all seem good but the car still doesn't want to start. Of course, all fuses are checked and are ok.

Any help will be really appreciated.

P.S. very strange thing - when trying to start the car the Fan starts to work 100%.

These are the codes that I see. When cleaning them they come back again:

A6CF - JBE: AUC sensor
2DD6 - Valvetronic servomotor position sensors, Short circuit or line disconnection
28BO - Consequent reaction, Throttle valve, Emergency operation mode active
28AB - Consequent reaction, Throttle valve, throttle potentiometer 1 and 2, Double fault
28A4 - Throttle valve, throttle potentiometer 1, electrical, Short circuit to B+
28AB - Throttle valve, throttle potentiometer 2, electrical, Short circuit to B+
2C6F - Charging pressure sensor, electrical, Short circuit to B+
36E3 - DME, monitoring, 5V sensor supply 2, Voltage outside the valid range
281A - Absolute pressure sensor, intake pipe, electrical, Short circuit to B+
3157 - Tank vent valve, activation, Line disconnection
3427 - Engine oil pressure sensor, electrical, Short circuit to ground
29E0 - Charge air temperature sensor, electrical, Short circuit to B+
29D0 - Intake air temperature sensor, electrical, Short circuit to B+
2937 - Coolant temperature sensor, electrical, Short circuit to B+
2C3F - Quantity control valve, activation, Line disconnection
A0B4 - CAS: Engine start, starter operation
AA1C - Emergency speaker, Open circuit
Appreciate 0