Standard Ignition S3114 Engine Coolant Temperature Sensor Connector

Engine Coolant Temperature Sensor Connector for BMW

Restore a secure electrical connection at the engine coolant temperature sensor with Standard Ignition S3114. This engine coolant temperature sensor connector is built for BMW and Rolls-Royce applications that use a 2-blade female terminal interface, with a rectangular male connector housing and a 17.5-inch harness lead for routing flexibility.

Use S3114 when servicing coolant temperature sensor wiring on BMW 328i, 335i, X5, M3, and related models where the connector is mounted on the cylinder head, water pump, thermostat housing, or lower radiator depending on application.

Key Features

• Standard Ignition S3114 engine coolant temperature sensor connector
• Male connector with rectangular housing profile
• Female blade terminals with 2-terminal configuration
• 17.5-inch harness length for sensor-side repair routing
• Direct-fit style connector for select BMW and Rolls-Royce applications
• Cross-references Standard Ignition S3114 and related aftermarket numbers such as CONB10844

Detailed Description

Standard Ignition S3114 is an engine coolant temperature sensor connector used in a wide range of BMW and Rolls-Royce cooling-system electrical repairs. The connector features a rectangular shape, 0-degree bend angle, two wires, and a 1 1/4-inch housing length, making it suitable for replacing damaged, heat-affected, or brittle sensor plugs in the engine bay. Fitment includes many BMW 3 Series, 5 Series, 6 Series, 7 Series, X3, X5, X6, Z4, M models, and select Rolls-Royce Ghost and Phantom applications.

Fits 2007-2016 BMW 328i, located on cylinder head. Fits 2012-2018 BMW 650i, on water pump. Fits 2015-2018 BMW M3, located on thermostat housing. Fits 2011 Rolls-Royce Ghost, located on water pump.

Common Problems This Part Can Address

• Broken or loose coolant temperature sensor connector terminals
• Intermittent temperature signal loss at the engine control system
• Heat-damaged wiring near the water pump or cylinder head
• Corrosion or poor contact at the sensor plug
• Check engine light concerns related to coolant temperature circuit faults

Installation Notes and Tips

Verify the original connector shape, terminal style, and sensor location before installation. This part is used on multiple BMW cooling-system locations, including cylinder head, water pump, thermostat housing, and lower radiator applications, so matching the OE-style connector to the vehicle’s existing plug is important. Inspect nearby wiring for heat damage or brittle insulation before connecting the new harness.

Quality Assurance

Standard Ignition supplies replacement electrical components for service and repair applications. S3114 is listed with confirmed interchange references and broad vehicle coverage for BMW and Rolls-Royce coolant temperature sensor connector service.