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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 0x120708 Load pressure control 2, Plausibility: Pressure too low
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      02-21-2018, 01:03 PM   #1
Milestune
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0x120708 Load pressure control 2, Plausibility: Pressure too low

Hiya,

I have a 2011 550xi with JB4... On a hard acceleration , up a hill I got drivetrain warning. this code came up

120708 0x120708 Load pressure control 2, Plausibility: Pressure too low

I think I also heard the engine pinging too.. (Don't know if this is possible, seeing it has knock sensors...)?

Anyone have any thoughts on this?
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      08-12-2018, 04:30 PM   #2
awfulhak
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Hi
Have you found what was the issue?
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      04-11-2019, 10:37 PM   #3
535_BiTurbo
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I currently have the 120308 and 120708 codes
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      04-12-2019, 06:23 PM   #4
ziekxq
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This is what I got when I checked the code:

Check lines and plug connections between the following components:
- DME.
- Charging pressure sensor.
Replace charging pressure sensor.
Check the air duct between turbocharger and intake plenum.
Check whether wastegate valve is jammed in open position.
On vehicles with pneumatically operated wastegate valve:
- Check wastegate valve pressure converter.
- Check vacuum line and vacuum.
On vehicles with electrically operated wastegate valve:
- Check electrical wastegate valve.
- Carry out system test of electrical wastegate valve.
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      04-18-2019, 03:42 PM   #5
warpeacelove
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Quote:
Originally Posted by 535_BiTurbo View Post
I currently have the 120308 and 120708 codes
120708
Possible fault cause:
- Charging pressure sensor 2 faulty
- Pressure converter wastegate valve 2 faulty
- Wastegate valve 2 faulty (stuck open)

http://bmwfault.codes/XMLDiagView?do...A0ADQANwAwADQA
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