2010-2020 BMW 128i Convertible (E88) L6-3.0L (N51) WWW.168MOTIVE.COM Page 264
2E68 – P0327 (DME)
2E68 – P0327
Information saved in
DME
Fault code
2E68 – P0327
Fault text
Knock-sensor signal 1
Fault description
Knock Sensor 1 Circuit Low (Bank 1 or Single Sensor)
Condition for fault identification
Test condition:
Knock sensor signal monitor
Vehicle road operation at >2800 1 rpm (current data status,
tends toward >2560 rpm) and air mass > 180 mg/unit. It is
not possible to clear fault by switching ignition terminals.
Compliance with the activation conditions and absence of
malfunction extending over several seconds are required
before fault code can be cleard.
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
Yes, by event counter. Knock signal sensor must lie below
threshold (differential knock signal < 180mV <200mV) for1...3 sec., then fault code is registeredAction in service1. Check knock sensor connection to verify that it is tight.2. Check wire connecting knock sensor 1 and enginemanagementcontrol module3. Check for connection between knock sensor 1 and groundor positive4. Replace knock sensorFault effect and breakdown warningDriver informationWarning light:No warning message. (No closed-loop knock controlavailable. Power loss, as engine reverts to operation in safe
