Standard Ignition S3148 Turbocharger Boost Sensor Connector
OE Quality 60-Day Returns
Standard Ignition

Standard Ignition S3148 Turbocharger Boost Sensor Connector

Brand Standard Ignition S3148
Bend Angle (Deg.) 0
Connector Gender Male
Connector Quantity 1
Connector Shape Rectangle
Gauge 18
Harness Length (mm.) 440
Harness Length - cm 45
Harness Length - inches 17.5
Housing Length (in) 1
Terminal Gender Female
Terminal Quantity 4
Terminal Type Blade
Wire Quantity 4
Fits BMW · 86 vehicles

Direct connector replacement. Matches the original connector style for a straightforward repair.

4-terminal design. Supports a secure electrical connection with blade terminals.

17.5-inch harness. Provides extra length for easier routing and installation.

Cross-references Standard Ignition S3148, 12527549003 and CONB10878 for the same application. See all 5.

$26.32Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $26.32
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Turbocharger Boost Sensor Connector options

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.

This part fits 86 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2019BMW750Li xDrive4.4LV8—
2018BMW750Li xDrive4.4LV8—
2017BMW750Li xDrive4.4LV8—
2014BMWX64.4LV8Location-Intercooler Piping
2014BMWZ43.0LL6Located on Air Cleaner Housing
2013BMW650i Gran Coupe———
2013BMW650i xDrive Gran Coupe———
2013BMWX54.4LV8Location-Intercooler Piping
2013BMWX64.4LV8Location-Intercooler Piping
2012BMW335is———
2012BMW550i———
2012BMW550i GT———
2012BMW550i GT xDrive———
2012BMW550i xDrive———
2012BMW650i———
2012BMW650i xDrive———
2012BMW740i———
2012BMW740Li———
2012BMW750i———
2012BMW750i xDrive———
2012BMW750Li———
2012BMW750Li xDrive———
2012BMWAlpina B7———
2012BMWAlpina B7 xDrive———
2012BMWAlpina B7L———
2012BMWAlpina B7L xDrive———
2012BMWX54.4LV8Location-Intercooler Piping
2012BMWX64.4LV8Location-Intercooler Piping
2012BMWZ43.0LL6—
2011BMW1 Series M———
2011BMW135i———
2011BMW335i———
2011BMW335i xDrive———
2011BMW335is———
2011BMW535i———
2011BMW535i GT———
2011BMW535i GT xDrive———
2011BMW535i xDrive———
2011BMW550i———
2011BMW550i GT———
2011BMW550i GT xDrive———
2011BMW550i xDrive———
2011BMW740i———
2011BMW740Li———
2011BMW750i———
2011BMW750i xDrive———
2011BMW750Li———
2011BMW750Li xDrive———
2011BMWAlpina B7———
2011BMWAlpina B7 xDrive———
2011BMWAlpina B7L xDrive———
2011BMWX54.4LV8Location-Intercooler Piping
2011BMWX64.4LV8Location-Intercooler Piping
2011BMWZ43.0LL6—
2010BMW135i———
2010BMW335i———
2010BMW335i xDrive———
2010BMW535i———
2010BMW535i GT———
2010BMW535i xDrive———
2010BMW550i GT———
2010BMW550i GT xDrive———
2010BMW750i———
2010BMW750i xDrive———
2010BMW750Li———
2010BMW750Li xDrive———
2010BMWX54.8LV8Location-Intercooler Piping
2010BMWX64.4LV8Location-Intercooler Piping
2010BMWZ43.0LL6—
2009BMW135i———
2009BMW335i———
2009BMW335i xDrive———
2009BMW535i———
2009BMW535i xDrive———
2009BMW750i———
2009BMW750Li———
2009BMWX63.0LL6—
2009BMWZ43.0LL6—
2008BMW135i———
2008BMW335i———
2008BMW335xi———
2008BMW535i———
2008BMW535xi———
2008BMWX63.0LL6—
2007BMW335i———
2007BMW335xi———
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — S314812527549003CONB10878EC3173PT3923