Standard Ignition S3148 Turbocharger Boost Sensor Connector

Turbocharger Boost Sensor Connector for BMW

Standard Ignition S3148 is a turbocharger boost sensor connector built for BMW applications that use a 4-terminal blade-style electrical connection. With a 17.5-inch harness and 18-gauge wiring, it provides the correct lead length and terminal layout for service replacement on select BMW turbocharged models.

Key Features

• Standard Ignition S3148 turbocharger boost sensor connector
• Male connector with a rectangular housing and female blade terminals
• 4-wire, 4-terminal configuration for the specified sensor connection
• 17.5-inch harness length for routing in engine-bay applications
• 18-gauge wire construction
• Direct-fit style replacement for select BMW turbocharger boost sensor locations

Detailed Description

This Standard Ignition S3148 connector is used in turbocharger boost sensor circuits on a range of BMW vehicles, including 2007-2011 BMW 335i, 2008-2011 BMW 535i, 2009-2012 BMW 750i, 2010-2014 BMW X6, and 2010-2013 BMW X5. It also applies to additional BMW models such as the 135i, 335is, 550i, 740i, 740Li, Z4, and 1 Series M. The harness length and terminal design support replacement of damaged, heat-affected, or corroded sensor connectors in the boost pressure signal path. Part number S3148 is also referenced by cross numbers such as EC3173 and PT3923 for the same application.

What It Helps Address

• Broken or brittle turbo boost sensor connector housings
• Corroded or loose electrical terminals at the sensor plug
• Intermittent boost pressure signal loss
• Check engine lights related to turbocharger sensor circuit faults
• Harness damage near the intercooler piping or air cleaner housing locations

Installation Notes and Tips

Verify connector shape, terminal count, and harness length against the original part before installation. This connector is listed for BMW turbocharger boost sensor locations including intercooler piping and air cleaner housing applications, so route the harness to match the factory path and secure it away from heat and moving components. Confirm terminal engagement and locking before returning the vehicle to service.

Quality Assurance

Standard Ignition supplies electrical service parts for OE-style repair applications. S3148 is built to match the specified connector format and fitment details for the listed BMW vehicles.