TechSmart U43003 Turbocharger Boost Solenoid

Brand TechSmart U43003
Connector Gender Female
Connector Quantity 1
Connector Shape Rectangular
Hose Connector Quantity 2
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits BMW · 36 vehicles

OE direct replacement. Direct-fit installation helps restore proper boost control.

Includes mounting bracket. Makes installation easier with a direct-fit design.

Female connector. Rectangular connector with two hose ports and blade terminals.

Cross-references Standard Ignition BST103, Standard Ignition TCD103 and VEMO V20-63-0010 for the same application. See all 7.

$113.96Free shipping
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Turbocharger Boost Solenoid for BMW Applications

Restore turbocharger control with the TechSmart U43003 turbocharger boost solenoid. This direct-fit OE replacement is built to help return proper wastegate function and consistent boost pressure on select BMW models, including 335i, 535i, X5, and Z4 applications.

TechSmart U43003 is designed for straightforward installation and OE-style fitment, with a mounting bracket included for direct replacement service.

Key Features

  • Direct-fit OE replacement turbocharger boost solenoid
  • Helps restore proper wastegate operation for turbo boost control
  • Designed to support consistent turbocharger boost pressure and engine performance
  • Female rectangular connector with 1 connector and 2 blade terminals
  • 2 hose connectors for turbo control routing
  • Includes mounting bracket for direct-fit installation
  • Compatible with select BMW turbocharged models from 2007-2013

Detailed Description

The TechSmart U43003 turbocharger boost solenoid is an OE-style replacement part for turbocharged BMW vehicles that rely on accurate wastegate control. By replacing a worn or malfunctioning solenoid, this component helps restore the signal control needed for stable boost regulation and normal engine response. It is a practical replacement for BMW 335i, 535i, X5, Z4, and related applications where boost control performance matters.

This part cross-references Standard Ignition BST103 and VEMO V20-63-0010 for the same application. The TechSmart U43003 also cross-references OE-style part numbers used on select BMW turbo systems.

What It Helps Solve

  • Inconsistent turbo boost pressure
  • Wastegate control faults
  • Reduced engine performance from boost regulation issues
  • Check engine light conditions related to boost control
  • Driveability problems caused by a failing boost solenoid

Installation Notes and Tips

Verify connector style, hose routing, and mounting location before installation. The U43003 uses a female rectangular connector, 2 hose connections, and 2 male blade terminals, so matching the original configuration is important for proper installation. Confirm vehicle application by year and model before service.

Compatible With: Fits 2007-2010 BMW 335i, N/A; Fits 2007-2008 BMW 335xi, N/A; Fits 2008-2010 BMW 535i, N/A; Fits 2008-2010 BMW 535xi, N/A; Fits 2008-2011 BMW X6, N/A; Fits 2009-2011 BMW 750i, N/A; Fits 2009-2011 BMW 750Li, N/A; Fits 2009-2011 BMW Z4, N/A; Fits 2010-2011 BMW 550i GT, N/A; Fits 2010-2011 BMW 750i xDrive, N/A; Fits 2011 BMW 1 Series M, N/A; Fits 2011 BMW 550i GT xDrive, N/A; Fits 2011 BMW X5, N/A; Fits 2011-2013 BMW 335is, N/A.

Quality Assurance

TechSmart parts are engineered to meet or exceed OE performance standards, giving technicians a direct replacement option for turbo boost control service.

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013BMW335isN/A
2012BMW335isN/A
2011BMW1 Series MN/A
2011BMW335isN/A
2011BMW550i GTN/A
2011BMW550i GT xDriveN/A
2011BMW750i4.4LV8N/A
2011BMW750i xDrive4.4LV8N/A
2011BMW750Li4.4LV8N/A
2011BMWX54.4LV8N/A
2011BMWX64.4LV8N/A
2011BMWZ43.0LL6N/A
2010BMW135iN/A
2010BMW335iN/A
2010BMW535i3.0LL6N/A
2010BMW550i GTN/A
2010BMW750i4.4LV8N/A
2010BMW750i xDrive4.4LV8N/A
2010BMW750Li4.4LV8N/A
2010BMWX64.4LV8N/A
2010BMWZ43.0LL6N/A
2009BMW135iN/A
2009BMW335iN/A
2009BMW535iN/A
2009BMW750i4.4LV8N/A
2009BMW750Li4.4LV8N/A
2009BMWX64.4LV8N/A
2009BMWZ43.0LL6N/A
2008BMW135iN/A
2008BMW335iN/A
2008BMW335xiN/A
2008BMW535iN/A
2008BMW535xiN/A
2008BMWX64.4LV8N/A
2007BMW335iN/A
2007BMW335xiN/A
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — BST103Standard Ignition — TCD103VEMO — V20-63-001070088719011747548706MSAA12TBR701