ORIGINAL AURUSU.S.-Made • Lifetime Warranty

AURUS

Aurus OEM Set of 8 Fuel Injectors for 2004-2010 BMW X5 545i 550i 650i 645Ci 750i 750Li 7525721

VERIFIED FITMENT

BMW 550iBMW 650iBMW X5+6 more
$179.99
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Part Numbers

OEM / Manufacturer Part Number

7525721

Other Part Numbers

852-12200, FJ739, 16589, 1550434

Aurus OEM Set of 8 Fuel Injectors for 2004-2010 BMW X5 545i 550i 650i 645Ci 750i 750Li 7525721 — view 1

Fitment

  • 2004–2005BMW 545i4.4L
  • 2006–2010BMW 550i4.8L
  • 2004–2005BMW 645Ci4.4L
  • 2006–2010BMW 650i4.8L
  • 2004–2005BMW 745i4.4L
  • 2004–2005BMW 745Li4.4L
  • 2006–2008BMW 750i4.8L
  • 2006–2008BMW 750Li4.8L
  • 2004–2010BMW X54.8L
  • 2004–2006BMW X54.4L

10 vehicle fitments

Part Numbers

OEM / Manufacturer Part Number

7525721

Other Part Numbers

852-12200, FJ739, 16589, 1550434

Item Specifics

MPN7525721
Injectors per set8
Manufacturer WarrantyLifetime
ManufacturerAURUS
Manufacturer Part Number7525721
BrandAURUS
Interchange Part Number852-12200, FJ739
OE/OEM Part Number7525721
Country/Region of ManufactureUnited States
Other part numbers16589 1550434
Fitment2004 2005 2006 2007 2008 2009 2010 BMW X5 4.8L V8, 2006 2007 2008 2009 2010 BMW 650i 4.8L V8, 2004 2005 BMW 645Ci 4.4L V8, 2006 2007 2008 2009 2010 BMW 550i 4.8L V8, 2004 2005 BMW 545i 4.4L V8, 2006 2007 2008 BMW 750Li 4.8L V8, 2006 2007 2008 BMW 750i 4.8L V8, 2004 2005 BMW 745Li 4.4L V8, 2004 2005 BMW 745i 4.4L V8, 2004 2005 2006 BMW X5 4.4L V8

Description

Engineered & Tested for OEM-Level Reliability

This fuel injector is engineered and assembled to deliver precise fuel flow and consistent engine operation under real driving conditions.

Each unit is produced using high-quality internal components and assembled with new seals and O-rings to ensure durability, proper sealing, and long-term stability.

Every injector undergoes a controlled multi-stage validation process, including high-pressure leak testing, flow rate calibration, spray pattern and atomization analysis, and electrical response verification.

Precision machining and controlled assembly help ensure exact fitment and alignment with OEM specifications.

Final calibration and testing are performed to support consistent fuel delivery, smooth engine operation, and long-term reliability.

Direct Fit & Plug-and-Play

No tuning or modification is required. Designed to match OEM specifications for seamless installation and dependable operation.

Please confirm compatibility using the fitment section above before purchase.

Warranty

Lifetime Warranty

All AURUS fuel injectors are backed by a Lifetime Warranty. If any injector fails under normal use, we will replace it free of charge — no questions asked.

What's Covered

Manufacturing defects, electrical failure, flow performance degradation, and leaks under normal operating conditions.

Not Covered

Physical damage, misuse, improper installation, or use with incompatible vehicles not listed in fitment.

Shipping & Returns

Free Same Day or Next Business Day Shipping

Orders placed before 3:00 PM PST ship the same business day.

USA Standard Delivery

3–7 business days

FREE

USA Priority Shipping

2–3 business days

$12.99

USA Overnight

Next business day

$49.99

30-Day Hassle-Free Returns or Replacements

Not satisfied? Return any unused item within 30 days for a full refund or replacement. Return shipping is on us for defective items.

100% Quality Assurance

Each Unit Tested Individually

Quality Assurance

Engineered for Exact Tolerances

OEM-level precision manufacturing and quality assurance

Manufacturing

  • New high-pressure injector body
  • OEM internal components
  • New OEM seals, O-rings, filters
  • Precision CNC calibration

Testing

  • Multi-stage flow testing
  • Spray pattern validation
  • Leak testing
  • Electrical response testing
  • Engine simulation testing

Technical Standards

  • OEM specifications compliance
  • Flow-matched calibration
  • Pressure tolerance validation
  • Electrical response testing

Not Sure If You Need This Part?

Common symptoms that point to a failing fuel injector. Read the diagnostic guides before you buy.

$179.99

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