HomeWalker 550-2040 Fuel Injector
Part #: 550-2040

Walker 550-2040 Fuel Injector

Walker Products
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: BMW, 540i, X5, Z8, 740i, and 740iL
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Overview of Walker Products Fuel Injector 550-2040

The Walker Products fuel injector 550-2040 is designed for precise fuel delivery in select BMW models. This fuel injector supports optimal engine performance and efficiency for vehicles such as the BMW 540i, 740i, 740iL, X5, and Z8.

  • Compatible with BMW 540i, 740i, 740iL, X5, and Z8 models
  • Part number 550-2040 ensures exact fitment and function
  • Manufactured by Walker Products, a recognized brand in fuel injection components
  • Designed for use in air and fuel delivery systems
  • Supports consistent fuel atomization for improved combustion

Detailed Description of Fuel Injector 550-2040

This Walker Products fuel injector 550-2040 is engineered to meet the specific fuel delivery requirements of various BMW vehicles. It is part of the Walker Products line, which focuses on providing reliable components for air and fuel delivery systems. The injector is built to maintain precise fuel flow rates, contributing to efficient engine operation and reduced emissions. Its compatibility with BMW 540i, 740i, 740iL, X5, and Z8 models ensures that it meets OEM specifications for these vehicles.

Applications and Common Issues Addressed

  • Restores proper fuel injection in BMW 540i, 740i, 740iL, X5, and Z8
  • Resolves rough idling and engine misfires caused by faulty injectors
  • Improves fuel efficiency by ensuring accurate fuel delivery
  • Helps reduce engine hesitation and poor acceleration
  • Addresses increased emissions due to injector malfunction

Installation Notes and Tips

  • Ensure compatibility by verifying the part number 550-2040 with your BMW model
  • Follow manufacturer guidelines for fuel system depressurization before removal
  • Inspect injector seals and replace if necessary during installation
  • Use proper tools to avoid damage to the injector or fuel rail
  • Test the fuel system for leaks and proper operation after installation

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for the 550-2040 fuel injector to ensure durability and performance. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003BMW540i4.4LV8N/AWalker Products
2003BMWX54.6LV8N/AWalker Products
2003BMWX54.4LV8N/AWalker Products
2003BMWZ84.8LV8N/AWalker Products
2002BMW540i4.4LV8N/AWalker Products
2002BMWX54.6LV8N/AWalker Products
2002BMWX54.4LV8N/AWalker Products
2001BMW540i4.4LV8N/AWalker Products
2001BMW740i4.4LV8N/AWalker Products
2001BMW740iL4.4LV8N/AWalker Products
2001BMWX54.4LV8N/AWalker Products
2000BMW540i4.4LV8N/AWalker Products
2000BMW740i4.4LV8N/AWalker Products
2000BMW740iL4.4LV8N/AWalker Products
2000BMWX54.4LV8N/AWalker Products
1999BMW540i4.4LV8N/AWalker Products
1999BMW740i4.4LV8N/AWalker Products
1999BMW740iL4.4LV8N/AWalker Products

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.