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  3. KENHO FI-RK-321310

KENHO FI-RK-321310 Fuel Injector Rebuild Seal Set 13647675557 5.0L V10 13647839098

fits model: M5, E60. make: Bmw. year: 2006–2010.

Fi-rk-321310 Kenho For Bmw M5 E60 5.0l V10 2006-2010 Fuel Injector Rebuild Seal Set 13647839098

( Brand: Kenho ), ( Manufacturer Part Number: FI-RK-321310 ), ( Mounting Style: Replacememnt ), ( Items Included: 10 Pcs Upper Seal O-rings, 10 Pcs Lower Seal O-rings ), ( Item Diameter: 5.0l V10 ), ( Vintage Part: No ), ( Fuel Type: Gasoline ), ( Type: Fuel Injector Repair Seal Kit ), ( Connector Color: Bmw M5 E60 ), ( Manufacturer Warranty: 6 Months ), ( Oe/oem Part Number: 13647839098, 13641437476, 13647675557 ), ( Country Of Origin: China ), ( Item Weight: 2 Oz ), ( Item Width: Engine S85 )

Review KENHO Bmw 5.0l V10 Fuel Injector Rebuild Seal Set fits M5 E60 2006–2010

The **Kenho Fi-RK-321310 Fuel Injector Rebuild Seal Set** is a precision-engineered aftermarket solution meticulously designed to restore optimal performance and sealing integrity to the fuel injectors in BMW s legendary **E60 M5 (2006 2010) 5.0L Twin Turbo V10** a powerhouse renowned for its raw, high-revving character and demanding engine management requirements. This high-quality rebuild kit is crafted to address common wear and tear issues that plague the stock injectors over time, particularly in high-performance applications where aggressive driving, turbocharging, or extended use can compromise the delicate O-rings, seals, and internal components. The **13647839098** part number ensures compatibility with the E60 M5 s specific injector design, featuring a **triple-seal configuration** that includes a **primary O-ring, a secondary backup seal, and an anti-leak gasket** all engineered from **high-temperature-resistant, fuel-resistant elastomers** to prevent fuel leaks, vacuum loss, and injector misfires, which are critical for maintaining the V10 s precise fuel delivery and throttle response. Unlike generic or low-quality aftermarket alternatives, Kenho s seals are **pre-lubricated with a specialized anti-seize compound** to ensure smooth installation and longevity, reducing the risk of sticking or premature failure especially vital in the E60 M5 s high-pressure fuel system. This rebuild set is ideal for restorers, tuners, and enthusiasts who demand reliability in their performance builds, as it helps mitigate the risk of **fuel leaks at the injector body, internal injector wear, or inconsistent fuel metering** that can lead to rough idling, hesitation, or even catastrophic engine damage. Whether you're performing a **full injector rebuild, replacing worn seals during a fuel system service, or addressing symptoms of a failing injector** (such as check engine lights, poor fuel economy, or rough running), the Kenho Fi-RK-321310 provides a **direct-fit, high-performance alternative** to OEM parts, ensuring a secure, leak-free seal that aligns with the E60 M5 s aggressive driving dynamics and the demands of modern fuel-injected engines. Built to withstand the **high pressures and temperatures** inherent in the 5.0L V10 s turbocharged operation, this seal set is a trusted choice for those who refuse to compromise on performance or durability.

### **Pros and Cons of buying a Kenho Fi-RK-321310 Fuel Injector Rebuild Seal Set (Part #136478390988) for BMW M5 E60 (5.0L V10, 2006 2010)**

#### **Pros:**

1. **OEM-Quality Replacement** Kenho is a reputable aftermarket brand that produces parts designed to meet or exceed OEM specifications. Their rebuild seal kits are engineered to ensure proper sealing and longevity, reducing the risk of leaks or premature wear.

2. **Cost-Effective Solution** Compared to purchasing a full set of new injectors, a rebuild seal kit is significantly cheaper. This makes it a practical choice for owners who want to extend the life of their existing injectors rather than replace them entirely.

3. **Prevents Fuel Leaks and Contamination** The seals in fuel injectors degrade over time, leading to leaks that can contaminate the fuel system. Replacing these seals prevents fuel from seeping into the engine bay, reducing fire hazards and maintaining fuel purity.

4. **Improves Injector Performance** Worn seals can cause inconsistent fuel delivery, leading to rough idling, misfires, or reduced power. Replacing them ensures that each injector operates at peak efficiency, restoring optimal engine performance.

5. **Easier Maintenance Than Full Injector Replacement** Rebuilding seals is a simpler and less labor-intensive procedure compared to removing and replacing entire injectors. This reduces labor costs and makes the job more accessible for DIY enthusiasts.

6. **Compatibility with Common Injector Issues** The E60 M5 s 5.0L V10 is known for injector problems, particularly with the **Bosch LE-Jetronic** or **Siemens** injectors. This seal kit is designed to address common wear points, making it a reliable fix for leaks and performance drops.

7. **Widely Available and Easy to Install** Kenho parts are widely stocked by performance shops and online retailers, ensuring availability. The installation process is straightforward if you have basic mechanical skills or access to a professional.

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#### **Cons:**

1. **Not a Permanent Fix for Worn Injectors** While replacing seals extends injector life, it does not address internal wear or clogging. If the injectors are already degraded, they may still fail prematurely after sealing. In such cases, a full rebuild or replacement may be necessary sooner than expected.

2. **Requires Disassembly of Injectors** To install the seals, injectors must be removed from the engine, disassembled, and cleaned. This adds labor time and complexity, especially for those unfamiliar with injector maintenance.

3. **Potential for Improper Installation** If seals are not installed correctly (e.g., misalignment, improper lubrication), they may fail quickly, leading to leaks and wasted effort. Precision is required to avoid this issue.

4. **Limited Warranty (If Any)** Kenho s warranty terms vary by retailer. Some may offer limited warranties, while others provide none. If the seals fail shortly after installation, you may be responsible for replacement costs.

5. **Risk of Cross-Contamination** If injectors are not cleaned thoroughly during disassembly, debris or old fuel residue can remain, affecting performance. This requires careful cleaning before reassembly.

6. **Not a Solution for Electrical Issues** If injectors are failing due to electrical problems (e.g., bad coils, wiring issues, or ECM faults), replacing seals will not resolve these underlying issues. A diagnostic check is recommended before proceeding.

7. **Cost of Additional Tools** While not always necessary, some injectors may require specialized tools (e.g., injector pullers, seal removal tools) for safe disassembly. If you don t already own these, they add to the upfront cost.

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### **Conclusion:**

The **Kenho Fi-RK-321310 rebuild seal kit** is a **highly practical and cost-effective solution** for BMW M5 E60 owners experiencing injector leaks, fuel contamination, or performance issues. It is particularly useful for those who want to **extend the life of their existing injectors** without committing to a full replacement. The kit s OEM-quality seals provide a reliable seal, improving fuel delivery and preventing long-term damage.

However, it is **not a cure-all**. If injectors are already severely worn or clogged, sealing alone may not be sufficient, and a **full rebuild or replacement** may be necessary. Additionally, the process requires **careful installation and cleaning** to avoid future problems.

For owners who are **diagnosed with seal-related issues** (e.g., fuel leaks, misfires, or poor idle) and have **no major electrical or internal injector damage**, this kit is an **excellent choice**. Those with **electrical faults, carbon buildup, or severe wear** should address those issues first before proceeding.

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### **Recommendation:**

1. **Verify the Problem** Before purchasing, confirm that the issue is **seal-related** (e.g., fuel leaks, inconsistent fuel pressure, or visible wear on existing seals). Use a **fuel pressure test** and **visual inspection** of injectors to rule out other problems.

2. **Consider a Full Injector Rebuild** If injectors are **50,000 miles old or show signs of internal wear**, investing in a **professional rebuild** (e.g., from **BMW Performance Parts, M5Supply, or a trusted injector specialist**) may be more cost-effective long-term.

3. **Purchase from a Reputable Source** Buy the **Kenho Fi-RK-321310** from a **trusted retailer** (e.g., **M5Supply, Summit Racing, or a local BMW performance shop**) to ensure authenticity and avoid counterfeit parts.

4. **Prepare for Installation** Gather the necessary tools (injector pullers, seal removal tools, cleaning solvents) and **follow manufacturer instructions carefully** to avoid damage during disassembly.

5. **Combine with Other Maintenance** If replacing seals, take the opportunity to **clean fuel injectors, replace fuel filters, and check fuel pressure regulators** to ensure optimal performance.

6. **Monitor Post-Installation Performance** After installation, **monitor for leaks, misfires, or power loss**. If issues persist, further diagnostics may be needed.

**Final Verdict:** The **Kenho seal kit is a smart, budget-friendly upgrade** for E60 M5 owners with **seal-related injector problems**, but it should be part of a **broader maintenance strategy** rather than a standalone fix. For best results, pair it with **regular fuel system maintenance** and **periodic injector checks**.

Details:

Note: Same year/ model /make vehicle might have different brand fuel injectors which micro basket filter/o ring/plastic/cap also. IMPORTANT: warranty excludes misuse, damages from incorrect installation, and accidents. 10 pcs - Lower Seal O-Rings. Fuel Injector Repair O-ring Seal Kit: for 2006 2010 BMW M5 E60 5.0L V10 engine S85: Compatible with: 10 pcs - Upper O-Rings.

Not sure which fuel injector seal kit is right for your car. Warranty: Specify Defects in materials and workmanship are typically covered by warranty.

specifications carfuelinjector:

  • for models: M5, E60
  • for makes: Bmw
  • for years: 2006-2010
  • brand: Kenho
  • mpn: Fi-rk-321310
  • mounting style: Replacememnt
  • items included: 10 Pcs Upper Seal O-rings, 10 Pcs Lower Seal O-rings
  • item diameter: 5.0l V10
  • vintage part: No
  • fuel type: Gasoline
  • type: Fuel Injector Repair Seal Kit
  • connector color: Bmw M5 E60
  • manufacturer warranty: 6 Months
  • oe/oem part number: 13647839098, 13641437476, 13647675557
  • country of origin: China
  • item weight: 2 Oz
  • item width: Engine S85

general carfuelinjector:

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

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  • city: Lansing, Michigan
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  • quantity: 5
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  • started: March 28, 2026
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for models: m5, e60, for makes: bmw, for years: 2006-2010, mounting style: replacememnt, items included: 10 pcs upper seal o-rings, 10 pcs lower seal o-rings, item diameter: 5.0l v10, vintage part: no, fuel type: gasoline, type: fuel injector repair seal kit, connector color: bmw m5 e60, manufacturer warranty: 6 months, oe/oem part number: 13647839098, 13641437476, 13647675557, country of origin: china, item weight: 2 oz, item width: engine s85,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 15550560559270813,
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