Bosch 0445110047 Diesel Injector
3.0L Diesel · 0445110047
Remanufactured Bosch 0445110047 diesel injector for BMW M57 3.0d early Common Rail solenoid applications. Direct replacement for BMW 3 Series (E46), 5 Series (E39) and X5 (E53) with M57D30 and 306D1 engines. Cross-references 0445110266, 0445110039, 0986435022, 13537785573, 13537785984 and 13534701464. Not interchangeable with newer M57N/N2 piezo or N57 generation injectors. OEM-tested and calibrated with full flow and leak-back verification on CR318 PRO test bench. Includes 12-month unlimited-mileage warranty. Supplied as an exchange unit — return your old injector within 30 days.
2
Engine codes
29
OE / cross-refs
4
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 3.0L Diesel platform, a failing Bosch 0445110047 injector typically presents as: hard starting when warm; uneven idle with single-cylinder knock; loss of power / limp mode with rail-pressure faults; excess smoke on hard acceleration; individual cylinder misfire entries.
When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.
When two or more symptoms appear together, suspect the injector before peripherals (EGR, glow plugs, turbo). A live-data leak-off test on each cylinder is the fastest route to the failed unit.
What Causes These Injectors To Fail
The documented failure modes on this platform are: injector back-leak rising with temperature on high-mileage units; nozzle wear causing over-fuelling on individual cylinders; electrical connector corrosion causing intermittent circuit faults.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose 0445110047 Faults
Six-cylinder layout — always compare leak-off volumes across all six injectors, not just the suspect one. A warm-engine leak-off test is more conclusive than a cold test on this platform. Check smooth-running (cylinder balance) live data to identify the offending cylinder before removal.
Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.
How Every Unit Is Tested Before Despatch
Each remanufactured 0445110047 is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.
Every unit carries a 12-month parts warranty and free UK delivery.
Vehicle Coverage At A Glance
The 0445110047 trusted family covers 4 verified vehicle fitments across 1 make: BMW. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
0445110047 supersedes or cross-references 24 further OE numbers, including 0445110266, 0445110039, 0986435022, 0986435017, 0986435018, 0986435019, 13534701464 and 13537785573. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.
Related fault codes & engine guides
Trusted compatibility
Vehicle fitments
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | 3 Series (E46) | 330d M57 184-204hp | 1999–2005 |
| BMW | 5 Series (E39) | 530d M57 184-193hp | 1998–2003 |
| BMW | X5 (E53) | 3.0d M57 184-218hp | 2001–2006 |
| BMW | 7 Series (E38) | 730d M57 184hp | 2000–2001 |
Confirm fitment by registration
Enter your UK registration to verify your vehicle is in this trusted family. We'll cross-check the engine code against M57D30 / 306D1.
Confirm fitment for your vehicle
Frequently asked
Related engine guides
Other Bosch and same-platform injector families worth checking.
All cross-references in this family
Every reference below resolves to a PDP linked to this trusted family. 0445110047, 0445110266, 0445110039, 0986435022, 0986435017, 0986435018, 0986435019, 13534701464, 13537785573, 13537785984, 1353788573, 7785571, 11970011, INJD024R, DI314, IT0445110047, 87041, MJY0000070, MJY000070E, R0986435018, R0986435022, 0870075, 002003000146R, 3902I0014R, 810042.
Bosch know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.