BOSCH W0133-1944095-BOS Fuel Injector
fits make: Bmw. year: 2014–2016.
( Brand: Bosch ), ( Manufacturer Part Number: W0133-1944095-BOS ), ( Part Type: Fuel Injector ), ( Product Type: Fuel Delivery ), ( California Prop 65 Warning: Cancer And Reproductive Harm. ), ( Fitment Type: Direct Replacement ), ( Compatible Model S : X5, X6, 550i Gt Xdrive, 550i, M5, 550i Xdrive, 550i Gt ), ( Fitnote: Enginedesignationname ), ( Product Subtype: Fuel Injectors, Fuel Rails ), ( Department: Replacement )
Review BOSCH Bmw Fuel Injector fits X5 2014–2016
The **Bosch W0133-1944095-BOS** is a high-performance, precision-engineered fuel injector specifically designed for BMW s **X5 (E70) models produced between 2014 and 2016**, which are equipped with **N57 or N55 inline-6 turbocharged engines**. This injector is a direct-replacement part, meticulously crafted to meet or exceed OEM specifications, ensuring seamless integration with the vehicle s fuel delivery system. Built with **Bosch s advanced solenoid technology**, this injector features a **high-flow, multi-hole nozzle** that delivers an ultra-fine atomization of fuel, optimizing combustion efficiency and power output while minimizing emissions. The robust **stainless steel construction** and **laser-welded components** enhance durability, resisting corrosion and wear even under the demanding conditions of high-performance driving or extended use in demanding climates. Engineered with **precise internal tolerances**, the injector maintains consistent spray patterns and flow rates, critical for maintaining optimal engine performance, throttle response, and fuel economy. Whether used in a **restoration project, performance upgrade, or routine maintenance**, this Bosch injector is a reliable choice for BMW enthusiasts seeking dependable, high-quality components that restore or enhance the engine s original functionality. Its compatibility with **E30, E36, E39, E53, and other BMW models** with similar fuel systems further underscores its versatility, making it a trusted solution for both OEM replacements and aftermarket applications.
### **Bosch W0133-1944095-B00 (Fuel Injector for BMW X5 E70 2014 2016) Pros and Cons**
#### **Pros:**1. **OEM Quality** Bosch is a trusted manufacturer of automotive components, known for reliability and compatibility with BMW s engine management systems. This injector is designed to meet or exceed the specifications of the original equipment, ensuring proper fuel delivery and engine performance.
2. **Direct Replacement** The part number (W0133-1944095-B00) is a direct match for the BMW X5 E70 (2014 2016) with the N55 or N63 engine, eliminating the need for modifications or adapters. It fits seamlessly into the fuel rail and connects properly with the wiring harness.
3. **Improved Fuel Efficiency** If the original injector was failing (e.g., clogged, leaking, or delivering inconsistent fuel), replacing it with a new Bosch unit can restore optimal fuel atomization, leading to better mileage and reduced emissions.
4. **Durability** Bosch injectors are built to last, often exceeding the lifespan of the original components. They are designed for high-pressure direct injection (HPDI) systems, which are common in BMW s N55 and N63 engines, ensuring long-term reliability.
5. **Warranty Coverage** Bosch offers warranties on many of its injectors, providing peace of mind against premature failure. Some authorized dealers or online retailers may also extend additional coverage.
6. **Performance Stability** A faulty injector can cause rough idling, misfires, or poor acceleration. Replacing it with a Bosch unit can restore smooth operation, especially if the issue was injector-related rather than a broader engine problem.
7. **Compatibility with Aftermarket Tuning** If you plan to modify your engine (e.g., forced induction, remapping), Bosch injectors are a reliable choice for supporting increased fuel demands without risking failure.
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#### **Cons:**1. **Cost** Bosch injectors are premium-priced compared to generic or aftermarket alternatives. For a single injector, you may pay **$150 $300 **, depending on the retailer and whether labor is included. Since BMW engines often require all injectors replaced in pairs (or sets of four), costs can add up quickly.
2. **Installation Complexity** Replacing fuel injectors requires removing the fuel rail, which involves disconnecting electrical connectors, draining fuel, and potentially recalibrating the engine control unit (ECU). If you re not experienced with automotive electrical or fuel systems, professional installation is recommended, adding to the total cost.
3. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., unlicensed online marketplaces) risks receiving fake or low-quality injectors. Always buy from authorized BMW dealers, Bosch-approved distributors, or reputable aftermarket suppliers (e.g., RockAuto, Amazon, or specialized auto parts stores).
4. **ECU Learning Cycle** After replacement, the engine may require a **learning cycle** (relearning injector characteristics) via a diagnostic tool (e.g., BMW ISTA or third-party software like Torque or Snap-on). This step is necessary to ensure the new injector is properly calibrated, but it adds time and may require professional assistance.
5. **Risk of Other Underlying Issues** If the injector failure was caused by a broader problem (e.g., contaminated fuel, faulty fuel pressure regulator, or carbon buildup), replacing just the injector may not fully resolve the issue. A diagnostic check is advisable before purchase.
6. **Limited Availability of Parts** While Bosch is widely available, some specialized BMW parts stores may not stock this exact model, requiring online ordering with potential shipping delays.
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### **Conclusion**
The **Bosch W0133-1944095-B00** is an excellent choice for replacing a faulty fuel injector in a **BMW X5 E70 (2014 2016)** with an N55 or N63 engine. Its **OEM-quality build, reliability, and compatibility** make it a superior option over generic injectors, especially if you prioritize long-term performance and fuel efficiency. However, the **higher cost, installation complexity, and potential for counterfeit parts** are significant drawbacks that must be weighed against the benefits.
If your injector is confirmed faulty (via diagnostic scan showing misfires, poor fuel pressure, or visual signs of wear), the Bosch unit is a **strong recommendation** provided you source it from a trusted seller and consider professional installation. If budget is a concern, compare it to **high-quality aftermarket alternatives** (e.g., **Denso, Siemens, or Stanadyne injectors**), which may offer similar performance at a lower cost.
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### **Final Recommendation**
1. **Verify the Problem** Use an **OBD-II scanner** (e.g., Launch X-431, BMW ISTA, or free apps like Torque) to confirm the injector is the root cause of symptoms (e.g., P0171/P0174 lean conditions, rough idle, or misfires). Rule out other issues like fuel pressure, oxygen sensors, or ECU glitches.
2. **Purchase from a Trusted Source** Buy the **Bosch W0133-1944095-B00** from:- **Authorized BMW dealers** (for OEM-level assurance).
- **Bosch s official website** or **BMW-approved parts distributors** (e.g., RockAuto, Amazon, or local auto parts stores with BMW certification).
- Avoid eBay or unknown sellers unless they have verified feedback and return policies.
3. **Consider Professional Installation** Unless you re experienced with fuel system work, have a **BMW specialist** replace the injector. Improper installation can lead to fuel leaks, electrical shorts, or improper ECU learning.
4. **Replace in Pairs (or Sets)** BMW engines often require **all injectors replaced simultaneously** to avoid performance imbalances. If only one injector is failing, check the others for wear replacing them proactively may save money long-term.
5. **Perform ECU Learning** After installation, use **BMW ISTA or a compatible tool** to relearn the injector characteristics. This step is critical for optimal performance and fuel economy.
6. **Monitor Performance** After replacement, watch for:- **Smooth idle and acceleration** (indicating proper fuel delivery).
- **No check engine lights** (confirm no new codes appear).
- **Improved fuel efficiency** (if the original injector was clogged).
**If the budget allows and the injector is confirmed faulty, Bosch is the safest and most reliable choice.** If cost is a major factor, research **Denso or Siemens injectors** (often used as OEM replacements) as viable alternatives. Always prioritize quality over price to avoid repeated failures.
Details:
Optimal functioning of every component within the system is essential for overall engine performance. Fuel delivery system incorporates lots of components that fit together to ensure effective fuel consumption. Installs the same way as factory unit. Perfect hot-starting performance thanks to improved cross sections on the inside of valves.
Optimal resistance to corrosion thanks high-alloyed steel and an almost entirely plastic sheath. Replace a defective fuel injector and get rid of poor economy sluggish performance. Same dimensions as the OE part. It features exactly the same size as OE part and installs with no modifications to vehicle.
No modifications required for installation. Direct replacement. Reduced consumption and low emissions, particularly during the start warm-up phase. Fuel Injector W BOS by Bosch.
Bosch provides a comprehensive range of fuel delivery system parts including pumps, injectors, pump reservoirs, tank seals, throttle body assemblies, and so on. Features: Optimal spray pattern for optimum mixture preparation and efficient combustion, also during dynamic driving behavior. Maximum functionality and a long service life.
part #: w01331944095 price
- $110.75
specifications carfuelinjector:
- for makes: Bmw
- for years: 2014-2016
- brand: Bosch
- mpn: W0133-1944095-bos
- part type: Fuel Injector
- product type: Fuel Delivery
- california prop 65 warning: Cancer And Reproductive Harm.
- fitment type: Direct Replacement
- compatible model s : X5, X6, 550i Gt Xdrive, 550i, M5, 550i Xdrive, 550i Gt
- fitnote: Enginedesignationname
- product subtype: Fuel Injectors, Fuel Rails
- department: Replacement
payments carfuelinjector:
- wallet: Paypal
- credit card: Diners-club
- other
shipping carfuelinjector:
- type: Fixed
- service: UPS Ground
- carrier: UPS
- class: Standard
- cost: $15.00
- transit: 2-5 Days
returns carfuelinjector:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
general carfuelinjector:
- Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
- condition: New
offer carfuelinjector:
- availability: In Stock
- started: June 4, 2026
- quantity: 5
- sold: 0
- options: Ship-to-home
seller carfuelinjector:
- rating: 95.7%
- city: Shawnee, Kansas
- # reviews: 13276
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