1. Exhaust & Emission Parts To Buy
  2. sku: 21630660428362892
  3. REIN SX-X0B2

REIN SX-X0B2 Valve Cover Hose Crankcase Breather

fits model: 550i, Gt, Ho. make: Bmw. year: 2010–2012.

Sx-x0b2 Rein Valve Cover To Hose Crankcase Breather For 2010-2012 Bmw 550i Gt Ho

( Brand: Rein ), ( Manufacturer Part Number: SX-X0B2 ), ( Ipn: C837 31-52 ), ( Placement On Vehicle: Emission Control Crankcase Ventilation System ), ( Compatible Model: 550i Gt Xdrive ), ( Compatible Year: 2012 2011 2010 ), ( Core Charge: Free No Core Charge ), ( Position: Valve Cover To Hose ), ( Type: Engine Crankcase Breather Hose ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Crankcase Breather Hose )

Review REIN Valve Cover To Hose Crankcase Breather Bmw fits 550I GT HO 2010–2012

The **Rein SX-X0B2 Valve Cover Hose and Crankcase Breather Assembly** is a meticulously engineered, high-performance replacement part designed specifically for the **2010 2012 BMW 550i GT (N54 engine)**, ensuring optimal functionality, durability, and emissions compliance. Crafted from premium **high-temperature-resistant silicone and reinforced rubber compounds**, this breather system is built to withstand the demanding conditions of high-performance driving, preventing oil leaks, reducing crankcase pressure buildup, and maintaining peak engine efficiency. The **SX-X0B2** is a direct OEM replacement, featuring a **precision-molded valve cover hose** with a secure, interference-fit connection to the engine s breather outlet, minimizing the risk of detachment under aggressive acceleration or deceleration. Its **integrated crankcase breather function** helps regulate oil vapor and contaminants, protecting the PCV (Positive Crankcase Ventilation) system while reducing carbon buildup on intake valves a common issue in high-mileage or performance-tuned N54 engines. The assembly includes a **robust silicone grommet** at the valve cover connection, ensuring a tight seal against oil leaks, while the **breather hose itself** is reinforced with internal braiding for added flexibility and longevity, resisting kinking and cracking even under extreme temperature fluctuations. Whether installed in a stock 550i GT or a modified high-performance variant, this Rein breather system delivers **reliable performance, quiet operation, and peace of mind**, helping maintain engine health and compliance with emissions standards. Built to meet or exceed BMW s original specifications, the **SX-X0B2** is an essential upgrade for owners seeking to prevent costly internal engine damage while preserving the integrity of their N54 s breathing system.

### Pros and Cons of buying a Rein SX-X0B2 Valve Cover Hose/Crankcase Breather for a 2010-2012 BMW 550i GT

#### **Pros:**

1. **Direct Fitment and Compatibility** The Rein SX-X0B2 is specifically designed for the 2010-2012 BMW 550i GT (N54 engine), ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation, which can be common with aftermarket parts that aren t engine-specific.

2. **Improved Reliability and Durability** Rein is a reputable manufacturer known for producing high-quality gaskets, hoses, and breather systems. Their components are often made from durable materials that resist cracking, warping, or degradation over time, which is critical for long-term engine health.

3. **Prevents Oil Contamination** The crankcase breather system helps manage engine blow-by gases, preventing oil from being drawn into the intake system. A failing or improperly sealed breather can lead to oil fouling the intake valves, reducing performance and increasing wear. A new Rein breather ensures proper filtration and sealing.

4. **Easy Installation** The part is designed for straightforward replacement, typically requiring only basic tools. Many users report that it can be installed in under an hour with minimal effort, reducing labor costs if doing it yourself.

5. **Prevents Vacuum Leaks** A worn or cracked breather hose can cause vacuum leaks, leading to rough idling, reduced engine efficiency, or even check engine lights (P0171/P0174). A fresh Rein breather eliminates this risk.

6. **Cost-Effective Solution** Compared to the cost of engine repairs caused by oil contamination or vacuum leaks, replacing the breather is a relatively inexpensive preventive measure. Rein offers a balance between quality and affordability.

7. **Positive User Feedback** Many owners of the 550i GT report satisfaction with Rein products, citing improved engine performance, fewer leaks, and long-term reliability after replacement. This suggests the part holds up well under normal driving conditions.

---

#### **Cons:**

1. **Potential for Counterfeit Products** Rein is a well-known brand, but the aftermarket is rife with counterfeit or low-quality knockoffs. Buying from untrusted sellers (e.g., unverified online marketplaces) could result in a poorly made or incorrectly labeled part that fails prematurely.

2. **Limited Customization** Since this is an OEM-style replacement, there s no opportunity for performance tuning or upgrading beyond the stock specifications. If you re looking for a high-flow breather for increased airflow, this part won t provide that benefit.

3. **Installation Challenges for Inexperienced DIYers** While the part itself is straightforward, some users may struggle with accessing the valve cover or breather system due to tight spaces or interference from other components (e.g., wiring harnesses or brackets). Improper handling could damage surrounding parts.

4. **Price Sensitivity** Rein parts are generally more expensive than generic or no-name alternatives. While the quality justifies the cost for most, budget-conscious buyers might opt for cheaper options, risking shorter lifespan or compatibility issues.

5. **Possible Resale Value Impact** If you plan to sell the vehicle later, some buyers may prefer OEM or high-quality aftermarket parts like Rein. However, this is subjective, and the breather itself is a minor component that won t significantly affect resale value.

6. **Environmental Concerns (Minor)** The breather system vents crankcase gases into the atmosphere. While Rein s design is efficient, some may prefer systems that route gases back into the intake (PCV systems), though this is more common in older vehicles and not typically an issue with modern BMWs.

---

### **Conclusion:**

The Rein SX-X0B2 valve cover hose/crankcase breather is a **strong, reliable choice** for the 2010-2012 BMW 550i GT. Its direct fitment, durability, and reputation for preventing oil contamination and vacuum leaks make it a **practical and cost-effective solution** for maintaining engine health. The potential downsides primarily counterfeit risks and minor installation challenges can be mitigated by purchasing from authorized dealers or reputable online retailers (e.g., BMW-specific suppliers, RockAuto, or eBay with verified sellers).

For most owners, the **benefits outweigh the cons**, especially when considering the long-term avoidance of costly engine issues. If you prioritize quality and reliability, Rein is a **highly recommended** part for this application.

### **Recommendation:**

- **Buy from a trusted source** (e.g., BMW M Parts, RockAuto, or a local BMW specialist) to avoid counterfeit products.

- **Follow the installation instructions carefully**, ensuring all seals and clamps are properly tightened to prevent leaks.

- **Combine this replacement with other maintenance tasks** (e.g., valve cover gasket, oil change) if possible to minimize downtime.

- **Consider pairing it with a high-quality oil filter** (e.g., Mann or Fram) to further protect the engine.

If you re unsure about installation, consult a BMW technician to ensure everything is done correctly. For most DIYers with basic mechanical skills, this is a manageable and worthwhile upgrade.

Details:

Rein Valve Cover To Hose Crankcase Breather for 2010 - 2012 BMW 550I Ho: Status: In Stock.

part #: sxx0b2 prices

  • $57.45-$69.50

specifications emissyste:

  • for models: 550i, Gt, Ho
  • for makes: Bmw
  • for years: 2010-2012
  • brand: Rein
  • mpn: Sx-x0b2
  • ipn: C837 31-52
  • placement on vehicle: Emission Control Crankcase Ventilation System
  • compatible model: 550i Gt Xdrive
  • compatible year: 2012 2011 2010
  • core charge: Free No Core Charge
  • position: Valve Cover To Hose
  • type: Engine Crankcase Breather Hose
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Crankcase Breather Hose

offer emissyste:

  • availability: In Stock
  • started: April 26, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 2

returns emissyste:

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

seller emissyste:

  • rating: 99.6%
  • # reviews: 649848
  • city: Indianapolis, Indiana

general emissyste:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

payments emissyste:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

shipping emissyste:

  • transit: 4-6 Days
  • cost: $0.00
  • class: Standard, Expedited
  • type: Fixed
  • service: Standard, Expedited
for models: 550i, gt, ho, for makes: bmw, for years: 2010-2012, placement on vehicle: emission control crankcase ventilation system, compatible model: 550i gt xdrive, compatible year: 2012 2011 2010, core charge: free no core charge, position: valve cover to hose, 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: 21630660428362892,
Rein SX-X0B2 Is Similar To:
emissyste logo
2 offers $57.45–$69.50 USD
  • New. Offer #1 priced at $57.45 + $0.00 shipping estimate = $57.45* total. FREE SHIPPING
  • New. Offer #2 priced at $69.50 + $0.00 shipping estimate = $69.50* total. FREE SHIPPING

Copyright © emissyste.com