Delphi SS11991 Engine Crankshaft Position Sensor

Reliable Engine Crankshaft Position Sensor for BMW Models

The Delphi SS11991 engine crankshaft position sensor is designed to provide accurate and consistent performance for a range of BMW vehicles. Engineered with precision, this sensor ensures proper engine timing and smooth operation for models including the 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4.

• Color: Black for easy identification and durability
• Terminal Type: Blade terminals for secure electrical connections
• Connector Quantity: Single connector for streamlined installation
• Connector Shape: Oval design to match OEM specifications
• Terminal Quantity: Three terminals ensuring reliable signal transmission
• Connector Gender: Female connector compatible with male wiring harness
• Terminal Gender: Male terminals for proper mating with vehicle wiring
• Wiring Harness Included: Yes, for a complete installation package
• Package Contents: Engine crankshaft position sensor and instruction sheet

Detailed Product Description

The Delphi SS11991 crankshaft position sensor is a critical component in the ignition system, responsible for monitoring the position and rotational speed of the crankshaft. This sensor’s black housing and oval-shaped female connector with three male blade terminals are designed to meet the exact specifications required by BMW vehicles. The included wiring harness simplifies installation, reducing the need for additional parts. Compatible with multiple BMW models such as the 228i, 320i, 328i, 428i, 528i, and various X and Z series, this sensor supports both rear-wheel and all-wheel drive configurations including xDrive variants.

Common Applications and Problem Resolution

• Restores accurate engine timing and ignition control
• Eliminates engine misfires and rough idling issues
• Resolves starting difficulties related to crankshaft position sensor failure
• Prevents stalling and hesitation during acceleration
• Improves overall engine performance and fuel efficiency

Installation Notes and Tips

Installation of the Delphi SS11991 sensor requires basic mechanical skills and standard automotive tools. Ensure the engine is cool before beginning the replacement process. Disconnect the battery to prevent electrical shorts. Carefully remove the old sensor and clean the mounting area before installing the new sensor. The included wiring harness and instruction sheet provide guidance for proper connection and secure mounting. Verify all electrical connections are tight and free of corrosion to maintain sensor functionality.

Quality Assurance and Warranty

Delphi manufactures the SS11991 crankshaft position sensor to meet or exceed OEM standards for fit, form, and function. Each sensor undergoes rigorous testing to ensure reliability and durability under normal operating conditions. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance for your BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4 vehicles.