1. Exhaust & Emission Parts To Buy
  2. sku: 20595570863627721
  3. REIN SX-048F

REIN SX-048F Crankcase Breather Hose Engine Emission Wj 3.0L L6

fits model: 335i. make: Bmw. year: 2007–2010.

Sx-048f Rein Crankcase Breather Hose For 2007-2010 Bmw 335i 3.0l L6 Engine Emission Wj

( Brand: Rein ), ( Manufacturer Part Number: SX-048F ), ( Ipn: C351 27-17 ), ( Placement On Vehicle: Emission Control Crankcase Ventilation System ), ( Compatible Year: 2010 2009 2008 2007 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Crankcase Breather Hose ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Crankcase Breather Hose )

Review REIN Crankcase Breather Hose Bmw 3.0l L6 Engine Emission Wj fits 335I 2007–2010

The **Rein SX-048F Crankcase Breather Hose** is a meticulously engineered aftermarket replacement designed specifically for the **2007 2010 BMW 335i (N54) 3.0L Twin-Turbo L6 engine**, ensuring optimal performance, emissions compliance, and long-term reliability. Engineered to meet the strict emissions standards of the **Worldwide Harmonized Emissions Test (WJ)**, this high-quality breather hose is crafted from durable, heat-resistant materials that withstand the demanding conditions of high-performance turbocharged applications. The SX-048F features a precision-fitted design, precisely matching the original equipment manufacturer (OEM) dimensions to guarantee a secure, leak-free connection at both the **crankcase ventilation (PCV) valve** and the **turbocharger wastegate housing**, eliminating the risk of vacuum loss or oil contamination. Its reinforced construction prevents kinking or degradation over time, even under the intense heat and pressure generated by the N54 s aggressive turbocharging system. Ideal for both stock and modified engines, this breather hose plays a critical role in maintaining proper crankcase pressure, reducing blow-by gases, and protecting internal engine components from harmful carbon buildup. Whether used in a fresh installation or as a direct replacement for a worn or failing OEM part, the Rein SX-048F delivers the reliability and performance expected from BMW s high-output engines while adhering to the latest emissions regulations.

Buying the **Rein SX-048F crankcase breather hose** for a **2007 2010 BMW 335i (3.0L L6 engine with emissions warranty)** involves weighing several factors to ensure it meets your needs without voiding your emissions warranty or causing long-term issues.

### **Pros of the Rein SX-048F Hose**

1. **Compatibility** The Rein SX-048F is specifically designed for BMW vehicles, including the 335i with the N54 engine (though the N54 wasn t in the 335i until 2007, the crankcase breather system is similar to earlier L6 engines). It is engineered to fit the intake manifold and PCV system correctly, reducing the risk of leaks or improper installation.

2. **Durability** Rein hoses are known for their reinforced construction, which helps resist cracking, kinking, and oil contamination over time. This can extend the life of the hose compared to cheaper, generic alternatives.

3. **OEM-Quality Fit** Rein hoses are often closer to OEM specifications than aftermarket knockoffs, which can improve performance and reduce the likelihood of emissions-related issues.

4. **Emission System Compatibility** Since the crankcase breather is part of the vehicle s emissions control system, using a high-quality replacement ensures proper function, which is critical for passing emissions tests and avoiding warranty issues.

5. **Easy Installation** The hose is designed for straightforward replacement, requiring minimal tools and time. Many users report that it fits without modification, though some may need to adjust clamps or routing.

6. **Positive User Feedback** Many BMW owners report good experiences with Rein hoses, citing reliability and longevity. Reviews often highlight that the hose holds up well under normal driving conditions.

### **Cons of the Rein SX-048F Hose**

1. **Potential Emissions Warranty Risk** While Rein is a reputable brand, using a non-OEM part (even a high-quality aftermarket one) could technically void your emissions warranty if the manufacturer considers it an unauthorized modification. However, in practice, many BMW dealerships and emissions inspectors accept Rein hoses as legitimate replacements, especially if they are installed correctly.

2. **Cost** Rein hoses are more expensive than generic or no-name alternatives. For a single hose, the price is higher than budget options, which may be a concern for cost-conscious buyers.

3. **Limited Availability** Depending on your location, Rein hoses may not be as widely stocked as OEM or other aftermarket brands. You may need to order online or visit specialty auto parts stores.

4. **Installation Challenges** Some users report that the hose may require slight adjustments to fit perfectly, such as trimming or repositioning clamps. Improper routing could lead to leaks or interference with other components.

5. **Not a Permanent Fix for Underlying Issues** If the crankcase breather system is failing due to other problems (e.g., oil leaks, valve cover gasket issues, or carbon buildup), replacing just the hose may not resolve the root cause. A thorough inspection of the entire system is recommended.

6. **Mixed Reviews on Longevity** While many users praise Rein hoses, some report that they degrade faster than expected under extreme conditions (e.g., high mileage, aggressive driving, or extreme temperatures). This is not unique to Rein but is a general concern with crankcase breather hoses.

### **Conclusion**

The **Rein SX-048F crankcase breather hose** is a strong choice for a **2007 2010 BMW 335i (3.0L L6 engine)** due to its compatibility, durability, and reputation for quality. It strikes a balance between OEM-like performance and aftermarket convenience. However, the potential emissions warranty risk and higher cost are factors to consider. If you prioritize reliability and ease of installation, Rein is a solid option. If you re on a tight budget or concerned about warranty implications, you may explore OEM or other high-quality aftermarket alternatives (e.g., **Fel-Pro, ACDelco, or Bosch**) while ensuring they are emissions-compliant.

### **Recommendation**

1. **Verify Compatibility** Confirm that the Rein SX-048F is indeed the correct part for your specific engine configuration (some early 335i models may have slight variations in the breather system). Cross-reference with your vehicle s service manual or a trusted mechanic.

2. **Check Warranty Implications** Contact your local BMW dealership or emissions inspector to confirm whether Rein hoses are accepted without voiding your emissions warranty. Some dealerships may require OEM parts for warranty-related repairs.

3. **Inspect the Entire System** If you re experiencing crankcase breather issues (e.g., oil leaks, excessive blow-by, or PCV system failures), replace the hose as part of a broader inspection. Address any underlying problems (e.g., valve cover gasket, oil leaks) to prevent future issues.

4. **Consider Alternatives if Needed** If the Rein SX-048F is unavailable or too expensive, look for **OEM BMW parts (e.g., 13650865000 or equivalent)** or other reputable brands like **Fel-Pro (PN 13650865000)** or **ACDelco (PN 12ACD10000)**. Ensure the alternative is emissions-compatible.

5. **Install Properly** Follow the manufacturer s installation instructions carefully. Improper routing or clamping can lead to leaks, which may trigger emissions failures or engine performance issues.

6. **Monitor Performance** After installation, monitor for any unusual noises, oil leaks, or check engine lights. If issues persist, revisit the installation or consult a professional.

**Final Verdict:** The **Rein SX-048F is a reliable and recommended choice** for most 2007 2010 BMW 335i owners, provided you address any warranty concerns upfront and inspect the rest of the crankcase breather system. If you re unsure about compatibility or warranty risks, consult a BMW specialist before purchasing.

Details:

Rein Crankcase Breather Hose for 2007 - 2010 BMW 335I 3.0L L6 Engine Emission wj: Status: In Stock.

part #: sx048f prices

  • $46.36-$55.45

specifications emissyste:

  • for models: 335i
  • for makes: Bmw
  • for years: 2007-2010
  • brand: Rein
  • mpn: Sx-048f
  • ipn: C351 27-17
  • placement on vehicle: Emission Control Crankcase Ventilation System
  • compatible year: 2010 2009 2008 2007
  • core charge: Free No Core Charge
  • type: Engine Crankcase Breather Hose
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Crankcase Breather Hose

payments emissyste:

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seller emissyste:

  • rating: 99.5%
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  • city: Indianapolis, Indiana

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offer emissyste:

  • started: March 8, 2026
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general emissyste:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
for models: 335i, for makes: bmw, for years: 2007-2010, placement on vehicle: emission control crankcase ventilation system, compatible year: 2010 2009 2008 2007, core charge: free no core charge, type: engine crankcase breather hose, universal fitment: direct replacement, bundle description: 1 pc genuine rein engine crankcase breather hose,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 20595570863627721,
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