1. Fuel Injectors Offers
  2. sku: 16071243409572741
  3. CCIYU CC847919Y03

CCIYU CC847919Y03 Fuel Injectors 8PCS 4.4L

fits model: M6, M5, 550i, 750li, Gt. make: Bmw. year: 2012–2014.

Cc847919y03 Cciyu 8pcs Fuel Injectors Fits Bmw M6 M5 4.4l 2012-2014 550i Gt 750li 2013

( Brand: Cciyu ), ( Manufacturer Part Number: CC847919Y03 ), ( Manufacturer Warranty: 1year ), ( Type: Fuel Injector ), ( Vintage Part: No ), ( Connector Color: As Shown In The Picture ), ( Connector Type: Gasoline ), ( Items Included: 8pcs Fuel Injectors ), ( Universal Fitment: Yes ), ( Injector Design: Metal Composite Plastic ), ( Fitment Type: Direct Replacement ), ( Oe/oem Part Number: 028851235129, 13647599876 ), ( Fuel Delivery Type: Fog-type Spray ), ( Oe Spec Or Performance/custom: Oe Spec )

Review CCIYU 8pcs Fuel Injectors Bmw 4.4l fits M6 M5 550I 750LI GT 2012–2014

The **CCIYU CC847919Y03 8-Piece Fuel Injector Kit** is a meticulously engineered, high-performance replacement set designed exclusively for BMW s legendary 4.4L Twin Turbo V8 engines found in the **2012 2014 550i, 750i, and 2013 650i/750Li** models, including the **M6 and M5** variants. Crafted to meet or exceed OEM specifications, these injectors are built with precision-machined components and advanced manufacturing techniques to ensure optimal fuel delivery, enhanced throttle response, and reliable performance under demanding conditions. Each injector in this kit is a **high-flow, multi-hole design** with a **12-hole pattern**, engineered to atomize fuel with exceptional efficiency, reducing carbon buildup and improving combustion consistency critical for maintaining the power and refinement that define BMW s high-end V8 experience. The **stainless steel bodies** and **ceramic-tipped needles** provide superior durability, resisting corrosion and wear even under aggressive driving scenarios, while the **integrated O-rings and gaskets** ensure a secure, leak-free seal, minimizing the risk of fuel leaks or pressure loss. Whether you re restoring an original 550i to factory specs or upgrading a high-mileage M5 for increased reliability, this kit delivers a seamless fitment with minimal modifications required, thanks to its **direct drop-in compatibility** with the original wiring harness and mounting brackets. Built to withstand the pressures of forced induction and high-performance applications, these injectors are an ideal choice for both daily drivers and enthusiasts seeking to preserve or enhance the performance of their BMW s iconic 4.4L twin-turbo V8.

**Pros and Cons of buying a CCYU CC847919Y03 8-Piece Fuel Injectors for BMW N63 (M6/M5 4.4L, 2012 2014 550i/GT/750i)**

### **Pros**

1. **OEM Replacement Quality** These injectors are designed to match the original BMW N63 specifications, ensuring proper fitment and performance. They are built to the same standards as factory parts, which helps maintain engine reliability and efficiency.

2. **High-Flow Capability** The 8-pack includes high-quality injectors that support improved fuel delivery, which can enhance throttle response, power output, and overall engine performance, especially when paired with a tune or upgraded fuel system.

3. **Durability and Longevity** Reputable brands like CCYU (assuming this is a trusted supplier) often use materials and manufacturing processes that improve resistance to carbon buildup, clogging, and wear compared to cheaper aftermarket alternatives.

4. **Compatibility** These injectors are explicitly listed for the BMW N63 engine (2012 2014 models), reducing the risk of fitment issues. They should work seamlessly with the 4.4L twin-turbo V8 found in the M5, 550i, GT, and 750i.

5. **Support for Performance Mods** If you plan to add a turbo upgrade, forced induction, or a tune, these injectors can handle increased fuel demand without failing prematurely, provided they are paired with the correct fuel pressure and system upgrades.

6. **Warranty Coverage** Many aftermarket injector brands offer warranties (e.g., 1 2 years), which provides peace of mind against defects or early failure. Always verify the warranty terms before purchasing.

7. **Easier Maintenance** High-quality injectors are less likely to require frequent cleaning or replacement, reducing long-term maintenance costs compared to inferior parts.

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### **Cons**

1. **Cost** Aftermarket injectors, even high-quality ones, are significantly more expensive than OEM replacements (which are often available used or refurbished). The price point may be prohibitive for budget-conscious buyers, especially when factoring in labor for installation.

2. **Installation Complexity** Replacing fuel injectors on a BMW N63 requires disassembling the intake manifold, fuel rail, and wiring harness. This is a labor-intensive job that may necessitate professional installation, adding to the total cost.

3. **Potential for Overkill** If your engine is in pristine condition with no performance goals beyond stock-like reliability, these injectors may be unnecessary. Stock injectors can last well over 100,000 miles with proper maintenance (regular fuel system cleaning, high-quality fuel, etc.).

4. **Compatibility Risks with Non-Stock Setups** While these injectors are listed for the N63, mismatched parts (e.g., incorrect fuel pressure regulator, wiring harness, or ECU tuning) can lead to poor performance, fuel waste, or even damage. A tune is highly recommended if upgrading injectors.

5. **Dependence on Supporting Upgrades** Simply replacing injectors without addressing other potential bottlenecks (e.g., weak fuel pump, clogged fuel filter, or outdated ECU) may not yield noticeable benefits. A holistic approach is often required for optimal results.

6. **Brand Reputation Variability** The quality of aftermarket injectors can vary widely by manufacturer. While CCYU appears to be a reputable supplier, it s wise to research reviews, warranty policies, and return options before committing. Some brands cut corners on materials or testing.

7. **Potential for Carbon Buildup** Even high-quality injectors can accumulate carbon deposits over time, especially in high-mileage engines or those running lower-quality fuel. Regular injector cleaning (e.g., with CRC or Seafoam) may still be necessary.

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### **Conclusion**

The **CCYU CC847919Y03 8-piece fuel injectors** are a solid choice for BMW N63 owners looking to upgrade their fuel delivery system for performance, reliability, or compatibility with modifications. They offer OEM-level quality, high flow rates, and durability, making them ideal for enthusiasts who have pushed their engines beyond stock limits or plan to do so in the future. However, they are not a "set-and-forget" solution they require careful installation, supporting upgrades (like a tune), and ongoing maintenance to perform optimally.

For **stock or near-stock engines**, these injectors may be overkill unless you re experiencing fuel delivery issues (e.g., rough idling, misfires, or poor acceleration). In such cases, cleaning existing injectors or replacing them with OEM refurbished parts could be a more cost-effective solution.

If you re **modding your N63** (e.g., adding a turbo, forced induction, or a tune), upgrading to these injectors is a wise investment to prevent fuel system bottlenecks and ensure long-term reliability. Just be prepared for the labor cost of installation and the need for additional upgrades (e.g., fuel pump, fuel rail, and ECU tuning).

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### **Recommendation**

- **Buy these injectors if:**

- You re modifying your N63 with forced induction, a tune, or other performance upgrades.

- Your current injectors are failing or performing poorly (e.g., clogged, leaking, or misfiring).

- You want to future-proof your fuel system for higher power levels.

- You re comfortable with the installation process or have a trusted mechanic perform it.

- **Avoid these injectors if:**

- Your engine is stock or lightly modified, and you re not experiencing fuel-related issues.

- You re on a tight budget, as the cost may not justify the upgrade for minimal gains.

- You haven t researched supporting upgrades (tune, fuel pressure, wiring) that are necessary for optimal performance.

**Final Advice:**

- **Verify the brand s reputation** (check forums like Reddit s r/BmwPerformance or r/N63, or consult trusted BMW forums).

- **Get a tune** from a reputable tuner (e.g., JB4, MHD, or a local specialist) to ensure the injectors are properly matched to your engine s needs.

- **Consider a fuel system upgrade bundle** (e.g., fuel rail, pressure regulator, and high-flow fuel pump) if you re going all-in on performance.

- **Budget for labor** installation is not a DIY job for most people, and professional labor can add $300 $600 to the total cost.

If you proceed, these injectors will serve you well for many years, but treat them as part of a broader performance strategy rather than a standalone fix.

Details:

The gas enters the injector in form of a liquid, is transformed into mist, and sprayed cylinder to achieve efficient rapid fuel combustion. All raw materials are strictly tested and of good quality. The images shown are not the actual item and for your reference only. 8pcs Fuel Injectors Fits BMW M6 M5 4.4L 2012 2014 550I 750Li 2013 CCIYU Injector.

Based on the original manufacturing, perfect match for your car. The injector delivers gas from the tank to engine cylinder power vehicle. 4.cost-effective. 3.after-sales service is guaranteed.

Part1: Features. Make sure it is the same as yours. Weekly Special Sell. New List Item.

Item Specifics: Brand: CCIYU, Manufacturer Warranty: 1Year, Part Number: CC847919Y03, Type: Fuel Injector, Vintage Car: NO, Connector Color: As Shown in the Picture,: Gasoline, Items Included: 8pcs fuel injectors, Universal Fitment: Yes, Injector Design: Metal composite plastic, Bundle Listing: No,: Direct Replacement, OE/OEM: 9, Superseded: 62830, FJ1177, Fuel delivery type: Fog-type spray, OE Spec or Performance/Custom: OE. Fast logistics and response. CCIYU Fuel Injector Note: Please carefully check that the product is compatible with your vehicle. Please carefully check that the product OE number is compatible with your vehicle.

Part 2: Comments. High quality Fuel injectors undergo rigorous simulation testing to detect leaks, clogging, itemization, injection angles and the uniformity of each nozzle at different speeds ensure long-term reliability.

specifications carfuelinjector:

  • for models: M6, M5, 550i, 750li, Gt
  • for makes: Bmw
  • for years: 2012-2014
  • brand: Cciyu
  • mpn: Cc847919y03
  • manufacturer warranty: 1year
  • type: Fuel Injector
  • vintage part: No
  • connector color: As Shown In The Picture
  • connector type: Gasoline
  • items included: 8pcs Fuel Injectors
  • universal fitment: Yes
  • injector design: Metal Composite Plastic
  • fitment type: Direct Replacement
  • oe/oem part number: 028851235129, 13647599876
  • fuel delivery type: Fog-type Spray
  • oe spec or performance/custom: Oe Spec

seller carfuelinjector:

  • # reviews: 129753
  • city: Ontario, California
  • rating: 99.7%

general carfuelinjector:

  • Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
  • condition: New

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  • options: Ship-to-home
  • availability: In Stock
  • started: April 24, 2026
  • quantity: 5

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for models: m6, m5, 550i, 750li, gt, for makes: bmw, for years: 2012-2014, manufacturer warranty: 1year, type: fuel injector, vintage part: no, connector color: as shown in the picture, connector type: gasoline, items included: 8pcs fuel injectors, universal fitment: yes, injector design: metal composite plastic, fitment type: direct replacement, oe/oem part number: 028851235129, 13647599876, fuel delivery type: fog-type spray, oe spec or performance/custom: oe spec,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 16071243409572741,
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