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 MANUALSBMW2004325CI CONVERTIBLE (E46) L6-2.5L (M54)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSDESCRIPTION AND OPERATIONTRANSMISSION CONTROL GS8.34 (EGS TRANSMISSION CONTROL 8.34)NEUTRAL DETECTION, POSITION SWITCH (FUNCTIONAL DESCRIPTIONS)
2004 BMW 325Ci Convertible (E46) L6-2.5L (M54)
Neutral Detection, Position Switch (Functional Descriptions)
2004 BMW 325Ci Convertible (E46) L6-2.5L (M54)SECTION Neutral Detection, Position Switch (Functional Descriptions)
Selector Lever Switch
The EGS control unit detects the selector lever position by way of a switch on the transmission. This switch converts the current selector lever position into a code. This selector lever code is transferred via four lines (L1-L4) to the EGS control unit.
Selector lever position L1 to L4 (0 = open, 1 = U-batt)
P L1 =1, L2 = 1, L3 = 0, L4 =1
R L1 =1, L2 = 0, L3 = 0, L4 =0
N L1 =1, L2 = 1, L3 = 1, L4 =0
D L1 =0, L2 = 0, L3 = 1, L4 =0
4 (3) L1 =0, L2 = 0, L3 = 0, L4 =1
3 (2) L1 =0, L2 = 0, L3 = 1, L4 =1
2 (1) L1 =1, L2 = 0, L3 = 1, L4 =1
RENDER: 1.0x
NO RELATED
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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.