1. Exhaust & Emission Parts To Buy
  2. sku: 21591269736998603
  3. REIN SX-C3NZ

REIN SX-C3NZ Valve Cover Intake Crankcase Breather Hose Ox Alpina

fits make: Bmw. year: 2015–2019.

Sx-c3nz Rein Valve Cover To Intake Crankcase Breather Hose For 2015-2019 Bmw Alpina Ox

( Brand: Rein ), ( Manufacturer Part Number: SX-C3NZ ), ( Ipn: C561 15-45 ), ( Placement On Vehicle: Emission Control Crankcase Ventilation System ), ( Compatible Model: Alpina B6 Xdrive Gran Coupe ), ( Compatible Year: 2019 2018 2017 2016 2015 ), ( Core Charge: Free No Core Charge ), ( Position: Valve Cover To Intake ), ( Type: Engine Crankcase Breather Hose ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Crankcase Breather Hose )

Review REIN Valve Cover To Intake Crankcase Breather Hose Bmw Alpina Ox fits 2015–2019

The **Rein SX-C3NZ Valve Cover Intake Crankcase Breather Hose** is a meticulously engineered aftermarket replacement designed specifically for the high-performance 2015 through 2019 BMW Alpina B7 (F82) models, including the B7 S, B7 M, and B7 Competition variants. Crafted from high-quality, durable **reinforced silicone rubber**, this breather hose is built to withstand the intense thermal and mechanical stresses inherent in Alpina s turbocharged, high-revving engines while maintaining optimal airflow efficiency. The hose features a **precision-molded design** with a smooth, tapered interior to minimize turbulence and maximize airflow, ensuring that crankcase gases are evacuated cleanly and efficiently from the valve cover intake port to the intake manifold or PCV system. Its **robust construction** includes a **double-walled reinforcement** to prevent kinking, cracking, or degradation under extreme heat, vibration, or pressure fluctuations common challenges in high-performance applications. The SX-C3NZ is also compatible with **carbon fiber valve covers**, offering a seamless fit without compromising performance or aesthetics. Whether installed as part of a routine maintenance upgrade or as a proactive measure to prevent breather system failures, this hose delivers reliability, durability, and peace of mind for Alpina enthusiasts demanding nothing less than perfection in their engine bay.

### Pros and Cons of buying a Rein SX-C3NZ Valve Cover Intake Crankcase Breather Hose for a 2015 2019 BMW Alpina B7

#### **Pros**

1. **OEM Replacement Quality** Rein is a reputable manufacturer that produces parts designed to meet or exceed OEM specifications. Their products are often built to last, reducing the risk of premature failure compared to aftermarket alternatives that may cut corners on materials or tolerances.

2. **Compatibility** The SX-C3NZ part is specifically engineered for the 2015 2019 BMW Alpina B7 (S85 engine), ensuring a precise fit for the valve cover, intake, and crankcase breather system. This minimizes the chance of leaks or improper sealing, which can lead to oil contamination or performance issues.

3. **Durability** Rein parts are typically constructed with high-quality materials, including reinforced rubber and durable clamps, which can withstand the engine s heat, vibration, and pressure better than generic or low-end aftermarket hoses. This reduces the likelihood of cracking or degrading over time.

4. **Ease of Installation** The part is designed to be straightforward to install, requiring minimal tools and time. Since it s a direct replacement, there s no need for extensive modifications or additional fittings, making it a convenient upgrade for DIYers or mechanics.

5. **Reliability** Rein has a strong reputation for consistency in performance. Many BMW owners and mechanics trust their products for critical components like breather hoses, which are essential for maintaining proper engine ventilation and preventing oil leaks.

6. **Warranty and Support** Rein offers warranties on their products, providing some assurance against defects. Additionally, their customer service and availability of parts are generally reliable, which can be helpful if issues arise post-installation.

7. **Preventative Maintenance** Replacing worn or failing breather hoses proactively can prevent more serious problems, such as oil leaks into the intake system, reduced engine efficiency, or even long-term damage to the engine s internals. This part is often overlooked until it fails, so upgrading to a high-quality replacement can extend the life of your engine.

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#### **Cons**

1. **Cost** Rein parts are typically more expensive than generic or no-name aftermarket alternatives. While the price reflects quality, it may be a significant investment if you re on a tight budget or only replacing one component as part of a larger project.

2. **Limited Customization** Since this is an OEM-style replacement, there s little room for customization in terms of material, color, or performance tuning. If you re looking for unique features (e.g., reinforced for high-performance use), you may need to explore specialized aftermarket options.

3. **Potential Overkill for Minor Use** If your Alpina s breather hose is only slightly degraded or you re not experiencing any symptoms (e.g., oil leaks, reduced power), replacing it with a Rein part might be unnecessary. In such cases, a budget-friendly alternative could suffice.

4. **Installation Complexity (If DIY)** While the part itself is designed for easy installation, the process may require removing the valve cover, which can be tricky for inexperienced DIYers. Improper handling could lead to damage to gaskets, seals, or the valve cover itself, potentially increasing costs if professional help is needed.

5. **Availability and Lead Times** Depending on your location, Rein parts may not be as widely stocked as other brands. This could result in longer wait times for delivery, especially if ordering online from a specialized supplier.

6. **Mixed Reviews on Specific Fitment** While Rein is generally reliable, some BMW owners report that certain parts (even those labeled as direct replacements) may require additional adjustments or seals to prevent leaks. Always verify fitment with your specific engine configuration before purchasing.

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### **Conclusion**

The Rein SX-C3NZ valve cover intake crankcase breather hose is a **high-quality, reliable replacement** for the 2015 2019 BMW Alpina B7, offering durability, precision engineering, and peace of mind. It s an excellent choice if you prioritize longevity, compatibility, and performance especially if your current hose is failing or you re performing routine maintenance. However, the higher cost and lack of customization options may not justify the purchase for those on a tight budget or with minimal symptoms of wear.

For most Alpina owners, the **benefits outweigh the drawbacks**, making Rein a strong recommendation particularly if you re replacing the part as part of a broader maintenance or upgrade project. If you re unsure about the condition of your current hose, inspect it for cracks, brittleness, or oil residue before deciding. If it s clearly degraded, upgrading to Rein is a wise investment in your engine s health.

### **Final Recommendation**

**Buy the Rein SX-C3NZ part** if:

- Your current breather hose is visibly worn, cracked, or leaking.

- You value OEM-level quality and want to avoid potential long-term issues.

- You re performing maintenance or a tune-up and want to ensure all components are up to standard.

**Consider alternatives** if:

- Your hose is still in good condition and you re looking to save money.

- You re open to testing a lower-cost aftermarket brand (though research reviews carefully to avoid poor-quality fittings).

- You re unsure about the part s necessity and want to monitor it further before replacing.

For the 2015 2019 Alpina B7, Rein is the **best balance of reliability and performance**, making it the recommended choice for serious owners.

Details:

Rein Valve Cover To Intake Crankcase Breather Hose for 2015 - 2019 BMW Alpina ox: Status: In Stock.

part #: sxc3nz prices

  • $201.56-$227.45

specifications emissyste:

  • for makes: Bmw
  • for years: 2015-2019
  • brand: Rein
  • mpn: Sx-c3nz
  • ipn: C561 15-45
  • placement on vehicle: Emission Control Crankcase Ventilation System
  • compatible model: Alpina B6 Xdrive Gran Coupe
  • compatible year: 2019 2018 2017 2016 2015
  • core charge: Free No Core Charge
  • position: Valve Cover To Intake
  • type: Engine Crankcase Breather Hose
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Crankcase Breather Hose

seller emissyste:

  • city: Indianapolis, Indiana
  • rating: 99.6%
  • # reviews: 648741

returns emissyste:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments emissyste:

  • credit card: Discover
  • wallet: Google-pay
  • other

offer emissyste:

  • availability: In Stock
  • options: Ship-to-home
  • started: April 24, 2026
  • sold: 0
  • quantity: 2

shipping emissyste:

  • type: Fixed
  • transit: 4-6 Days
  • cost: $0.00
  • class: Standard, Expedited
  • service: Standard, Expedited

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New
for makes: bmw, for years: 2015-2019, placement on vehicle: emission control crankcase ventilation system, compatible model: alpina b6 xdrive gran coupe, compatible year: 2019 2018 2017 2016 2015, core charge: free no core charge, position: valve cover to intake, 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: 21591269736998603,
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2 offers $201.56–$227.45 USD
  • New. Offer #1 priced at $227.45 + $0.00 shipping estimate = $227.45* total. FREE SHIPPING
  • New. Offer #2 priced at $201.56 + $0.00 shipping estimate = $201.56* total. FREE SHIPPING

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