SIEMENS
Siemens 7525721 Reman Fuel Injector w/ Flow Test Report – OEM
Part Numbers
7525721
1550434, 16589, 852-12200, FJ739
SIEMENS
SKU: 7525721-pro-single
With Independent Test Report
Every injector in this set is bench-tested at rated PSI on calibrated Bosch lab equipment. A serialized Test Report Certificate is included in the box.
OEM-Level Engineered Product
Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty
Part Numbers
7525721
1550434, 16589, 852-12200, FJ739
$43.99
Part Numbers
Part Numbers
7525721
1550434, 16589, 852-12200, FJ739
Item Specifics
Item Specifics
| Manufacturer Part Number | 7525721 |
| MPN | 7525721 |
| Injectors per set | 1 |
| Brand | Siemens |
| Manufacturer Warranty | Lifetime |
| Test Report Included | Yes (serialized) |
| Condition | Remanufactured |
| Interchange Part Number | 1550434, 16589, 852-12200, FJ739 |
Description
Description
Premium-tier single Siemens remanufactured fuel injector. Bench-tested at rated PSI on calibrated lab equipment in our US facility.
Each injector ships with a serialized Test Report Certificate inside the box and emailed to you.
What You Get
- ✓ Bench-tested on calibrated lab equipment
- ✓ Serialized Test Report Certificate (flow rate, leak test, spray pattern)
- ✓ Lifetime Warranty
- ✓ Free shipping (US)
- ✓ Certificate emailed AND included in the box
- ✓ View Sample Report
Compatible With
- 2004 BMW 545i 4.4L 4398CC
- 2004 BMW 645Ci 4.4L 4398CC
- 2004 BMW 745Li 4.4L 4398CC
- 2004 BMW 745i 4.4L 4398CC
- 2004 BMW X5 4.4L 4398CC
- 2004 BMW X5 4.8L 4837CC
- 2005 BMW 545i 4.4L 4398CC
- 2005 BMW 645Ci 4.4L 4398CC
- 2005 BMW 745Li 4.4L 4398CC
- 2005 BMW 745i 4.4L 4398CC
- 2005 BMW X5 4.4L 4398CC
- 2005 BMW X5 4.8L 4799CC
- 2005 BMW X5 4.8L 4837CC
- 2006 BMW 550i 4.8L 4799CC
- 2006 BMW 550i 4.8L 4837CC
- 2006 BMW 650i 4.8L 4837CC
- 2006 BMW 750Li 4.8L 4799CC
- 2006 BMW 750Li 4.8L 4837CC
- 2006 BMW 750i 4.8L 4799CC
- 2006 BMW 750i 4.8L 4837CC
- 2006 BMW X5 4.4L 4398CC
- 2006 BMW X5 4.8L 4799CC
- 2006 BMW X5 4.8L 4837CC
- 2007 BMW 550i 4.8L 4799CC
- 2007 BMW 550i 4.8L 4837CC
- 2007 BMW 650i 4.8L 4837CC
- 2007 BMW 750Li 4.8L 4799CC
- 2007 BMW 750Li 4.8L 4837CC
- 2007 BMW 750i 4.8L 4799CC
- 2007 BMW 750i 4.8L 4837CC
- 2007 BMW X5 4.8L 4799CC
- 2007 BMW X5 4.8L 4837CC
- 2008 BMW 550i 4.8L 4799CC
- 2008 BMW 550i 4.8L 4837CC
- 2008 BMW 650i 4.8L 4837CC
- 2008 BMW 750Li 4.8L 4799CC
- 2008 BMW 750Li 4.8L 4837CC
- 2008 BMW 750i 4.8L 4799CC
- 2008 BMW 750i 4.8L 4837CC
- 2008 BMW X5 4.8L 4799CC
- 2008 BMW X5 4.8L 4837CC
- 2009 BMW 550i 4.8L 4799CC
- 2009 BMW 550i 4.8L 4837CC
- 2009 BMW 650i 4.8L 4837CC
- 2009 BMW X5 4.8L 4799CC
- 2009 BMW X5 4.8L 4837CC
- 2010 BMW 550i 4.8L 4799CC
- 2010 BMW 550i 4.8L 4837CC
- 2010 BMW 650i 4.8L 4837CC
- 2010 BMW X5 4.8L 4799CC
- and 1 more applications
Warranty
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
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
USA Priority Shipping
2–3 business days
USA Overnight
Next business day
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
Remanufacturing
- OEM core inspection
- Full disassembly & cleaning
- Component replacement
- New OEM seals, O-rings, filters
- Precision reassembly
Testing
- Multi-stage flow testing
- Spray pattern validation
- Leak testing
- Electrical response testing
Technical Standards
- OEM specifications compliance
- Flow-matched calibration
- Pressure tolerance validation
- Electrical response testing
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Common symptoms that point to a failing fuel injector. Read the diagnostic guides before you buy.
$43.99