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 MANUALSBMW1993740IL (E32/2) V8-3982CC 4.0L DOHC (M60)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONDIGITAL MOTOR ELECTRONIC (DME)FUNCTIONAL DESCRIPTIONSDWELL ANGLE CONTROL
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)
Dwell Angle Control
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Dwell Angle Control
OPERATION
The engine speed and the battery or system voltage decide on the time available to build up the primary voltage in the ignition coils. From these variables, the digital motor electronics determines the necessary dwell angle, thus ensuring a sufficient ignition voltage under all operating conditions.
The engine speed and the battery or system voltage decide on the time available to build up the primary voltage in the ignition coils. From these variables, the digital motor electronics determines the necessary dwell angle, thus ensuring a sufficient ignition voltage under all operating conditions.
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.