Standard Ignition TS-471 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for BMW and Rolls-Royce

Standard Ignition TS-471 is an engine coolant temperature sensor built for direct replacement on a wide range of BMW and Rolls-Royce applications. It uses a bolt-on attachment, a female square connector, and a 2-blade male terminal layout for straightforward OE-style service.

Compatible with BMW 228i Gran Coupe, 640i, X5, M3, X3, 328i, 535i, 750i, Z4, and related models, this coolant temperature sensor supports accurate temperature reporting at the cylinder head, water pump, thermostat housing, and other listed locations. Standard Ignition TS-471 also cross-references Standard Ignition TS-7217 for the same application.

Key Features

• Engine coolant temperature sensor for BMW and Rolls-Royce cooling system service
• Bolt-on attachment method for OE-style mounting
• Female square connector with 2 male blade terminals
• Direct replacement format for listed cylinder head, water pump, and thermostat housing locations
• Part number: TS-471

Detailed Description

Standard Ignition TS-471 is an engine coolant temperature sensor used to monitor coolant temperature and send that information to the vehicle’s control system. Accurate temperature input is important for proper engine management, including fuel delivery, cooling fan operation, and temperature-related warning strategies. This part number is listed across many BMW platforms, including BMW 320i, 328i, 335i, 528i, 550i, M5, M6, X1, X3, X5, X6, and Z4 applications, plus Rolls-Royce Ghost and Phantom coverage in the fitment data.

The TS-471 is a practical replacement choice when servicing BMW coolant temperature sensor locations on the cylinder head or water pump. The connector and terminal configuration should be matched to the original sensor before installation. Part number TS-471 is also referenced under TS7217 and WT7217 for the same application.

What It Helps Address

• Incorrect coolant temperature readings on the dash or scan tool
• Cooling fan operation that does not follow engine temperature correctly
• Hard starting or drivability concerns tied to inaccurate temperature input
• Temperature-related fault codes in BMW cooling system diagnostics
• Service replacement for a leaking or failed coolant temperature sensor

Installation Notes and Tips

Verify the original sensor location before ordering, since fitment notes list cylinder head, water pump, thermostat housing, water outlet, and lower radiator applications across different models. Confirm the connector shape, terminal count, and attachment style against the removed part. Clean the mounting area before installation and inspect the connector for corrosion or damaged terminals.

For BMW 328i coolant temperature sensor replacement, BMW X5 engine coolant temperature sensor service, or BMW M3 temperature sensor repair, match the vehicle year and engine layout to the fitment list exactly. Standard Ignition TS-471 is a direct-fit style replacement only for the listed applications.

Quality Assurance

Standard Ignition supplies replacement electrical and engine management components for import and domestic vehicles. TS-471 is built to match the listed connector and mounting configuration for the specified applications.