Prenco 4E-1021 Engine Camshaft Position Sensor

Engine Camshaft Position Sensor for BMW

Prenco 4E-1021 is an engine camshaft position sensor built for direct replacement service on select BMW applications. It uses a rectangular female connector, blade terminals, and a 3-terminal layout to match the original sensor connection style on covered vehicles.

Compatible with 1993-1995 BMW 325i, 1993-1995 BMW 325is, 1993-1995 BMW 525i, 1993 BMW 525iT, and 1995 BMW M3, this camshaft position sensor supports accurate camshaft signal input for engine management on the listed fitments.

Key Features

• Engine camshaft position sensor for ignition and sensor service
• Prenco part number 4E-1021
• Rectangular female connector with 3 terminals
• Blade terminal type for OE-style electrical connection
• Regular grade replacement sensor
• 1-wire design with 1 connector
• No mounting bracket included

Detailed Description

Prenco 4E-1021 is a replacement camshaft position sensor for BMW 325i, 325is, 525i, 525iT, and M3 applications listed in the fitment data. The sensor is specified with a rectangular connector, female connector gender, blade terminals, and a 3-terminal configuration, helping ensure the electrical interface matches the original setup on the vehicle. This part cross-references Standard Ignition PC384 for the same application.

Use this sensor when servicing BMW camshaft signal faults on the covered 1993-1995 BMW 325i and 325is, as well as the 1993-1995 BMW 525i and 1995 BMW M3 applications. The Prenco 4E-1021 is also listed for the 1993 BMW 525iT.

Common Issues This Part May Address

• Camshaft position sensor fault codes
• Hard starting or extended crank conditions
• Intermittent engine stalling
• Rough idle or unstable engine operation
• Loss of camshaft signal to the engine control system

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle fitment before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs before connecting the new sensor. Confirm the sensor mounting location on the engine and compare the removed part to Prenco 4E-1021 to ensure the electrical and physical design match the original unit.

Quality Assurance

Prenco supplies this as a regular-grade replacement sensor with OE-style connection details for the listed BMW applications. Confirmed interchange references include Anchor 9630, Beck/Arnley 180-0429, Spectra Premium S10148, and Standard Ignition PC384.