1. Engine Cooling Components Deals
  2. sku: 21560105141403892
  3. REIN 2015

REIN C464 Engine Water Pump Plug Alpina Xdrive Gi 62-65 B7L 4.4L V8

fits make: Bmw. year: 2011–2015.

C464 Rein 62-65 Engine Water Pump Plug For 2011-2015 Bmw Alpina B7l Xdrive 4.4l V8 Gi

( Brand: Rein ), ( Manufacturer Part Number: 2015 ), ( Ipn: C464 62-65 ), ( Placement On Vehicle: Belts Cooling Hardware Fasteners Fittings ), ( Compatible Model: Alpina B7l Xdrive ), ( Compatible Year: 2015 2014 2013 2012 2011 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Water Pump Plug ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Water Pump Plug )

Review REIN 62-65 Engine Water Pump Plug Bmw Alpina B7l Xdrive 4.4l V8 Gi fits 2011–2015

The **REIN C464-62-65 Engine Water Pump Plug** is a precision-engineered replacement part specifically designed to restore optimal cooling system performance in the **2011 2015 BMW Alpina B7 (S63) 4.4L Twin-Turbo V8 (Gi)** models, including the **S63 XDrive, S63 M, and Alpina B7**. Crafted from high-grade **aluminum alloy**, this water pump plug is built to withstand the extreme thermal and mechanical stresses of BMW s high-performance engine bay, ensuring reliable sealing and efficient coolant circulation. The component features a **threaded design** that matches the original equipment manufacturer (OEM) specifications, guaranteeing a secure and leak-free fit when properly installed. Its **smooth, machined surface** minimizes friction and wear, while the **reinforced gasket surface** ensures a tight seal against the engine block, preventing coolant leaks that could compromise cooling efficiency especially critical in the aggressive, high-output environments of the S63 s forced-induction setup. The plug is engineered to maintain proper water pump alignment and pressure, supporting the **high-flow cooling system** required by the Alpina s turbocharged V8, which generates substantial heat under full-throttle conditions. Whether replacing a worn-out original part or upgrading during a cooling system overhaul, this REIN component delivers **OEM-level durability and performance**, helping to preserve the longevity of the engine s critical cooling components while maintaining the Alpina s signature blend of luxury and raw power.

### Pros and Cons of Buying a Rein C464 62-65 Engine Water Pump Plug for a 2011-2015 BMW Alpina B7 (XDrive 4.4L V8 G1)

#### **Pros:**

1. **Direct Fitment** The Rein C464 water pump plug is specifically designed for the BMW Alpina B7 (G1) 4.4L V8 engine, ensuring compatibility with the 2011-2015 model years. This reduces the risk of sizing or threading issues that could arise with aftermarket parts not tailored to the exact application.

2. **High-Quality Materials** Rein is known for producing parts with durable materials, including corrosion-resistant coatings and precision-engineered components. This can extend the lifespan of the water pump and prevent leaks or failures over time.

3. **OEM-Level Performance** The part is designed to match the original equipment manufacturer (OEM) specifications, ensuring proper sealing, cooling efficiency, and pressure resistance. This helps maintain the engine s cooling system integrity, which is critical for high-performance vehicles like the Alpina.

4. **Ease of Installation** Rein parts are often designed with user-friendly features, such as clear threading or alignment guides, making installation less prone to errors. This can save time and reduce the risk of damaging surrounding components during replacement.

5. **Warranty and Reliability** Rein offers warranties on their products, providing peace of mind in case of defects. Additionally, their reputation in the aftermarket suggests a lower likelihood of premature failure compared to cheaper, unknown brands.

6. **Compatibility with Upgrades** If you ve modified your Alpina s cooling system (e.g., upgraded radiator, performance water pump, or cooling hoses), a high-quality water pump plug ensures that these modifications integrate seamlessly without compromising performance or safety.

---

#### **Cons:**

1. **Cost** Aftermarket parts, even from reputable brands like Rein, are often more expensive than OEM replacements. While Rein offers quality, the price may be a deterrent for budget-conscious buyers. The cost could be justified if the part is critical to engine longevity, but it s still an upfront investment.

2. **Availability and Lead Times** Depending on the region and supplier, Rein parts may not be as widely stocked as OEM or more common aftermarket brands. This could result in longer wait times for delivery, especially if ordering from international suppliers.

3. **Potential for Counterfeit Products** While Rein is a trusted brand, the risk of purchasing counterfeit or low-quality knockoffs exists, particularly when buying from third-party sellers (e.g., eBay, Amazon, or unverified online marketplaces). Always verify the seller s authenticity and check for genuine Rein packaging or serial numbers.

4. **Installation Complexity** Replacing a water pump plug in a BMW Alpina involves working with the engine bay s cooling system, which may require draining coolant, removing hoses, and accessing the pump itself. If you re not experienced with automotive repairs, this could lead to mistakes (e.g., cross-threading, improper sealing) or damage to other components.

5. **Limited Customization** Unlike some aftermarket cooling system upgrades, the Rein water pump plug is a direct replacement with minimal customization options. If you re looking for performance-enhancing features (e.g., higher-flow paths, upgraded materials), this part may not offer those benefits beyond OEM standards.

6. **Potential for Overkill** If your Alpina s water pump is still functioning correctly and hasn t failed, replacing just the plug may not be necessary. Over-reliance on aftermarket parts for routine maintenance could lead to unnecessary expenses without tangible benefits.

---

### **Conclusion:**

The Rein C464 water pump plug is a **strong choice** for BMW Alpina B7 owners (2011-2015, 4.4L V8) who prioritize **quality, reliability, and direct fitment** over cost savings. It addresses the critical function of sealing the water pump, preventing leaks, and maintaining cooling efficiency especially important for high-performance engines prone to heat buildup. The part s durability and compatibility with potential cooling system upgrades make it a practical investment for those who want to avoid OEM part shortages or quality concerns.

However, the **higher cost and potential installation challenges** mean it s not the best option for casual DIYers or those on a tight budget. If your current water pump is still operational and the plug hasn t failed, there s no urgent need to replace it. Only upgrade if you re experiencing leaks, corrosion, or plan to perform related cooling system work.

For most Alpina owners, **this part is worth the investment** if you value long-term reliability and want to avoid the hassle of OEM part unavailability or inferior aftermarket alternatives.

---

### **Recommendation:** - **Buy the Rein C464 water pump plug** if:

- Your current water pump plug is leaking, corroded, or failing.

- You re upgrading other cooling system components (e.g., water pump, hoses, or radiator).

- You want a high-quality, long-lasting replacement that matches OEM specifications.

- You re comfortable with installation or have access to a trusted mechanic.

- **Avoid or reconsider** if:

- Your current plug is functioning fine, and you re not experiencing issues.

- You re on a tight budget and can find a comparable OEM or aftermarket part at a lower cost.

- You lack experience with engine bay repairs and are unsure about proper installation.

- **Purchase from authorized sources** to avoid counterfeit parts. Check Rein s official website or reputable BMW aftermarket suppliers (e.g., RockAuto, BMW Parts Zone, or specialized Alpina forums for trusted sellers).

- **Consider a full water pump replacement** if the plug failure is part of a broader cooling system issue (e.g., a worn-out pump or failing thermostat). Rein also offers water pumps for this application, which may be a better long-term solution.

Details:

Rein Engine Water Pump Plug for 2011 - 2015 BMW Alpina B7L xDrive 4.4L V8 gi: Status: In Stock.

specifications ocoosys:

  • for makes: Bmw
  • for years: 2011-2015
  • brand: Rein
  • mpn: 2015
  • ipn: C464 62-65
  • placement on vehicle: Belts Cooling Hardware Fasteners Fittings
  • compatible model: Alpina B7l Xdrive
  • compatible year: 2015 2014 2013 2012 2011
  • core charge: Free No Core Charge
  • type: Engine Water Pump Plug
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Water Pump Plug

payments ocoosys:

  • wallet: Paypal
  • credit card: Diners-club
  • other

shipping ocoosys:

  • transit: 4-7 Days
  • type: Fixed
  • cost: $0.00
  • service: Standard, Expedited
  • class: Standard, Expedited

seller ocoosys:

  • rating: 99.6%
  • # reviews: 655313
  • city: Indianapolis, Indiana

returns ocoosys:

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

offer ocoosys:

  • sold: 0
  • quantity: 7
  • availability: In Stock
  • options: Ship-to-home
  • started: May 10, 2026

general ocoosys:

  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
  • condition: New
for makes: bmw, for years: 2011-2015, placement on vehicle: belts cooling hardware fasteners fittings, compatible model: alpina b7l xdrive, compatible year: 2015 2014 2013 2012 2011, core charge: free no core charge, type: engine water pump plug, universal fitment: direct replacement, bundle description: 1 pc genuine rein engine water pump plug,
category: auto parts > car truck parts accessories > engine cooling components, sku: 21560105141403892,
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