Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2008M5 (E60) V10-5.0L (S85)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONP CODE CHARTSP157F
2008 BMW M5 (E60) V10-5.0L (S85)
P157F
2008 BMW M5 (E60) V10-5.0L (S85)SECTION P157F
27A2 - P157F
Information saved in
DME
Fault code
27A2 - P157F
Fault text
Throttle-valve actuator, enable line, Bank 2
Fault description
Condition for fault identification
Test condition:
Engine running
Terminal condition: Terminal 87
Voltage condition:
none
Condition for fault memory entry
Driver diagnosis ATIC39
Action in service
1. Check Bank 2 enable wire
2. Delete stored DTCs from error memory, conduct
electromotive throttle-valve actuator system test
3. Replace electromotive throttle-valve actuator 2
Fault effect and breakdown warning
Displayed engine speed limitation to 3500 rpm / Check
Control message: 29-Engine malfunction, 35-DSC failed!,
354-drive-off assistant inactive! / power reduction / MIL on
after engine runs 2x
Driver information
Warning light:
29-Engine malfunction
Service instruction
none
Information saved in
DME
Fault code
27A2 - P157F
Fault text
Throttle-valve actuator, enable line, Bank 2
Fault description
Condition for fault identification
Test condition:
Engine running
Terminal condition: Terminal 87
Voltage condition:
none
Condition for fault memory entry
Driver diagnosis ATIC39
Action in service
1. Check Bank 2 enable wire
2. Delete stored DTCs from error memory, conduct
electromotive throttle-valve actuator system test
3. Replace electromotive throttle-valve actuator 2
Fault effect and breakdown warning
Displayed engine speed limitation to 3500 rpm / Check
Control message: 29-Engine malfunction, 35-DSC failed!,
354-drive-off assistant inactive! / power reduction / MIL on
after engine runs 2x
Driver information
Warning light:
29-Engine malfunction
Service instruction
none
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.