Frequently asked questions
About this category
The BMW XDrive 30 D 249 hp injector category addresses a critical need for diesel performance and reliability, serving independent garages, DIY enthusiasts, and German-speaking buyers across DACH regions. This range includes high-pressure injectors designed for the N57 engine family, known for its robustness but also its sensitivity to fuel system wear. Whether you're troubleshooting a misfire or replacing a failing injector, the right part must match the motorization exactly.
Our injector range is built around Bosch references 0445118005 and 0445118037, selected for their precision engineering and widespread use in BMW diesel applications. As a wholesale supplier, we aggregate demand from workshops to secure bulk pricing while maintaining strict quality controls. The role of the grossist here is to bridge the gap between remanufactured reliability and cost-effective availability.
Professional uses by trade
Different users approach injector replacement with distinct priorities: garages prioritize turnaround time and compatibility, DIYers seek clear instructions and part accuracy, while German buyers expect documentation in their language. Each profile benefits from a range that eliminates guesswork and ensures the correct injector for the XDrive 30 D 249 hp motorization.
- Le garagiste independant : Replace the failing injector with a calibrated Bosch unit to restore engine performance and avoid costly misdiagnoses on the N57 engine.
- Le garagiste independant : Order injectors in bulk to maintain stock for multiple BMW diesel models, reducing downtime for customers.
- L'automobiliste depanne : Identify the correct injector by motorization code to ensure the replacement fits without modifications.
- L'automobiliste depanne : Return the faulty injector for a core deposit refund, reducing the cost of repair.
- Le passionne qui fait lui-meme : Follow step-by-step guides to swap the injector yourself, using only the necessary tools and safety precautions.
- Le passionne qui fait lui-meme : Verify injector compatibility with the vehicle’s VIN or engine code before purchasing.
- Der deutsche Kaeufer (DACH) : Receive documentation and support in German, including part numbers and installation notes for local workshops.
Range comparison
The following table compares the two Bosch injector references available for the BMW XDrive 30 D 249 hp, highlighting their specific applications and compatibility nuances.
| Range | Use | Format |
|---|---|---|
| Injector Bosch 0445118005 | Direct replacement for early N57 engines | |
| Injector Bosch 0445118037 | Updated version for later N57 variants |
How to choose
Selecting the right injector requires attention to motorization specifics, packaging integrity, and supplier reliability. Each criterion ensures the part meets the engine’s demands without hidden compatibility issues.
- Verify the injector matches the engine code and model year to avoid fitment errors in the XDrive 30 D 249 hp.
- Check the packaging for damage or tampering to confirm the injector arrives in pristine condition.
- Prefer suppliers with a core deposit system to reduce replacement costs and encourage responsible recycling.
- Ensure the injector’s calibration aligns with the vehicle’s ECU requirements for seamless integration.
- Opt for injectors from reputable remanufacturers to deliver consistent spray patterns and longevity.
- Confirm the supplier’s return policy for faulty units, protecting your investment in case of defects.
- Prioritize suppliers offering multilingual support, especially for German-speaking customers in DACH regions.
Storage & logistics
BMW XDrive 30 D 249 hp injectors must be stored in a dry, temperature-controlled environment to preserve their precision calibration and prevent seal degradation. Avoid exposure to direct sunlight or humidity, as these conditions can compromise the injector’s performance over time. For bulk orders, use sealed containers with desiccant packs to maintain optimal conditions until installation. Always handle injectors with care, using gloves to prevent contamination from skin oils or debris.
Since 2026, our team has specialized in sourcing remanufactured injectors that meet the exacting standards of BMW diesel engines. We’ve seen firsthand how a single faulty injector can disrupt performance, which is why we prioritize accuracy and reliability in every part we supply.— autoKUR team
Related categories
Browse our other ranges:
- XDrive M 40 D Mild-Hybrid 340 hp
- XDrive M 40 D 326 hp
- XDrive 30 D Mild-Hybrid 286 hp
- XDrive 30 D 265 hp
- XDrive 30 D Mild-Hybrid 249 hp
- XDrive 25 D 231 hp
Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.


