Dorman 977-033 Throttle Position Sensor

Dorman 977-033 Throttle Position Sensor

Dorman 977-033 is a throttle position sensor built to match the fit and function of the original sensor on specified vehicles. It is designed for durable, reliable performance and direct replacement service on BMW applications including the Z4, M3, and M5.

Key Features

• Throttle body mounted design for direct OE-style placement
• 3-pin terminal count with female electrical connection
• Black plastic housing for a factory-style appearance
• Non-adjustable sensor configuration
• Includes installation hardware and an O-ring for service replacement
• Cross-references Delphi SS11002 and Standard Ignition TH424 for the same application

Detailed Description

This throttle position sensor monitors throttle movement and sends the signal needed for accurate engine management. Dorman 977-033 is engineered for BMW throttle body applications and is a direct replacement for vehicles such as the 2006-2008 BMW Z4, 2001-2006 BMW M3, and 1999-2003 BMW M5. If you are replacing a worn BMW throttle position sensor, this part number 977-033 provides the correct mounting style, terminal layout, and connection type for service work.

Use this sensor when you need a replacement throttle position sensor for BMW Z4, BMW M3, or BMW M5 models listed in the fitment data. The part number 977-033 is also a useful reference when comparing OE-style replacement options for throttle body mounted sensor applications.

What It Helps Fix

• Throttle response that becomes inconsistent or delayed
• Engine control issues caused by an inaccurate throttle signal
• Driveability problems related to a failing throttle position sensor
• Warning lights triggered by throttle position sensor faults
• Replacement needs after sensor wear or electrical connection failure

Installation Notes

Install on the throttle body using the correct 3-pin female electrical connection and included O-ring. Verify connector condition, clean the mounting surface, and confirm proper sensor alignment before final assembly. Because this sensor is not adjustable, installation should follow the original mounting position and vehicle service procedure.

Quality Assurance

Dorman designs this sensor to match original fit and function on specified BMW applications and to deliver dependable service in emission control systems. Part number 977-033 is built for direct replacement use on the listed vehicles.

Compatible Vehicles

• Fits 2006-2008 BMW Z4, N/A
• Fits 2001-2006 BMW M3, N/A
• Fits 1999-2003 BMW M5, N/A