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 MANUALSBMW1999328I 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTINGSPECIFICATIONS
1999 BMW 328i 4D Sedan, Standard
Engine Controls - System & Component Testing: Specifications
1999 BMW 328i 4D Sedan, StandardSECTION Specifications
RESISTANCE SPECIFICATIONS (4-CYLINDER)
| Component | (1)Ohms | |||
|---|---|---|---|---|
| Crankshaft (Speed/Position Pulse) Sensor | 480-600 | |||
| Camshaft Position (Cylinder Identification) Sensor | 1.3-1.5 | |||
| Engine (Coolant) Temperature Sensor | ||||
| 63-73°F (17-23°C) | 2300-2700 | |||
| 171-181°F (77-83°C) | 300-360 | |||
| Fuel Evaporation Control Solenoid | 25-65 | |||
| Fuel Injector | 15-17 | |||
| Fuel Injectors (Group Of 2) | 7.5-8.5 | |||
| Idle Speed Control Valve (Per Winding) | 15-25 | |||
| Ignition Coil (Primary) | 0.8 | |||
| Intake Air Temperature Sensor | ||||
| 63-73°F (17-23°C) | 2200-2700 | |||
| 117-127°F (47-53°C) | 760-910 | |||
| Throttle Position (TP) Sensor | ||||
| Idle Position | 3200-4800 | |||
| Fuel Load (WOT) Position | 800-1200 | |||
|
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RESISTANCE SPECIFICATIONS (6-CYLINDER)
| Component | (1)Ohms | |||
|---|---|---|---|---|
| Mass Air Sensor | ||||
| Between Terminals No. 5 & 6 | 3-4 | |||
| Between Terminals No. 1 & 5 | 16,300 | |||
| Camshaft Sensor | 1.3-1.5 | |||
| Crankshaft (Speed/Position Pulse) Sensor | 490-590 | |||
| Engine (Coolant) Temperature Sensor | ||||
| 9-19°F (-13 To -7°C) | 8260-10,560 | |||
| 63-73°F (17-23°C) | 2200-2700 | |||
| 171-181°F (77-83°C) | 290-364 | |||
| Fuel Evaporation Control Solenoid | 40-50 | |||
| Fuel Injector | 15-17 | |||
| Idle Speed Control Valve (Per Winding) | 15-25 | |||
| Ignition Coil (Primary) | 0.8 | |||
| Intake Air Temperature Sensor | ||||
| 63-73°F (17-23°C) | 2200-2700 | |||
| 117-127°F (47-53°C) | 760-910 | |||
| Throttle Position (TP) Sensor | 4600 | |||
|
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RESISTANCE SPECIFICATIONS (V8)(1)
| Component | (2)Ohms | |||||||
|---|---|---|---|---|---|---|---|---|
| Crankshaft (Speed/Position Pulse) Sensor | 490-590 | |||||||
| Camshaft Position (Cylinder Identification) Sensor | 1100-1400 | |||||||
| Engine (Coolant) Temperature Sensor | ||||||||
| 63-73°F (17-23°C) | 2300-2700 | |||||||
| 171-181°F (77-83°C) | 300-360 | |||||||
| Fuel Evaporation Control Solenoid | 25-65 | |||||||
| Fuel Injector | 15-17 | |||||||
| Idle Speed Control Valve (Per Winding) | 6-10 | |||||||
| Ignition Coil (Primary) | 0.8 | |||||||
| Intake Air Temperature Sensor | ||||||||
| 63-73°F (17-23°C) | 2200-2700 | |||||||
| 117-127°F (47-53°C) | 760-910 | |||||||
| Throttle Position (TP) Sensor | (3) | |||||||
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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.