BMW 51422000381 Cap

( Manufacturer Part Number: 51422000381 ), ( Part Type: Cap ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: I2 Nwf-n Buk 125 Bin 2 )

Review BMW Genuine Oem Cap Qty

The **BMW 51422000381 Cap** is a high-performance, precision-engineered component designed to deliver exceptional reliability and efficiency within BMW s advanced fuel injection systems. This specific cap, part of the **M52/M54/M56/M57** engine family, is meticulously crafted to ensure optimal fuel delivery while maintaining the integrity of the fuel rail assembly. Constructed from high-grade **aluminum alloy**, it is engineered to withstand the demanding conditions of modern high-performance engines, offering superior resistance to thermal expansion and mechanical stress. The cap features a **threaded interface** that ensures a secure, leak-proof connection to the fuel rail, preventing any potential fuel vapor escape or contamination, which is critical for maintaining engine performance and longevity. Its sleek, aerodynamic design not only enhances its functionality but also contributes to a streamlined under-hood environment, reducing drag and improving airflow efficiency. This component is compatible with BMW vehicles equipped with **direct or port injection systems**, making it a versatile choice for both original equipment and aftermarket applications. Whether used in a high-mileage vehicle requiring a replacement or in a performance upgrade scenario, the **51422000381 Cap** exemplifies BMW s commitment to precision engineering, ensuring seamless operation and adherence to strict emissions and performance standards. Its compatibility with genuine BMW fuel systems guarantees compatibility with OEM specifications, providing peace of mind for technicians and enthusiasts alike.

### **Pros and Cons of Buying a BMW 5 Series (F10/F11/F20/F30) Model Code 51422000381**

The **BMW 51422000381** corresponds to a **5 Series sedan (F10/F11/F20/F30 generation) with a 2.0L turbocharged inline-4 engine (N20/N47) paired with an 8-speed automatic transmission (ZF 8HP). This model is typically a **2012 2015 520d (F10/F11) or 520i (F20/F30)** depending on the generation. Below is a detailed analysis of its strengths and weaknesses.

---

### **Pros**

1. **Reliability and Durability**

- The **N20/N47 engines** (2.0L turbo-4) are BMW s most reliable inline-4 powerplants, known for longevity when maintained properly. Many examples exceed **200,000 miles** with basic upkeep.

- The **8-speed ZF automatic transmission** (introduced in 2010) is smoother and more durable than older 6-speed automatics, with fewer reported failures compared to earlier BMW gearboxes.

- The **F10/F11/F20/F30 platforms** are structurally sound, with a robust chassis and good crash-test ratings.

2. **Performance and Driving Dynamics**

- The **520d (diesel)** produces **190 hp and 282 lb-ft of torque**, offering strong acceleration (0-60 mph in 7.5 seconds) and efficient fuel economy ( 30-35 MPG highway).

- The **520i (gasoline)** delivers **192 hp and 221 lb-ft**, providing a balanced mix of power and responsiveness, with better acceleration than the diesel ( 6.5-7.0 sec 0-60).

- **Precision handling** The 5 Series is known for its **sharp steering, well-tuned suspension (adjustable in some trims), and engaging driving experience**, especially in the **M Sport or xDrive variants**.

- **Quiet cabin** BMW s sound insulation is excellent, making for a comfortable long-distance drive.

3. **Comfort and Practicality**

- **Spacious interior** One of the largest sedans in its class, with **ample legroom (front and rear), a large trunk (16.3 cu. ft.), and a comfortable ride** (adjustable air suspension in higher trims).

- **Luxury features** Even base models include **leather seats, heated/ventilated front seats (in some trims), ambient lighting, and a high-quality infotainment system** (though the **iDrive can be clunky**).

- **Safety** Standard **stability control, multiple airbags, and advanced collision warning systems** (depending on year).

4. **Resale Value**

- The **5 Series holds its value well** compared to many competitors, especially the **520d (diesel)**, which remains popular in Europe and some U.S. markets.

- **Low-mileage examples** (under 60,000 miles) retain strong resale potential.

5. **Aftermarket and Customization**

- A **thriving aftermarket** exists for BMW 5 Series, with options for **tuning (MHD, BMS), suspension upgrades (coilovers, air suspension), and performance parts**.

- **Easier to modify** than some luxury rivals (e.g., Mercedes E-Class) due to BMW s modular architecture.

6. **Fuel Efficiency (Diesel Model)**

- The **520d** achieves ** 30-35 MPG highway**, making it one of the most efficient BMWs in its class ideal for long commutes or highway driving.

7. **Technology (Later Models)**

- **F20/F30 (2013 )** models feature **improved infotainment (larger screens, Bluetooth, Apple CarPlay in later years)** and **better fuel economy** (especially the **520i with start-stop system**).

---

### **Cons**

1. **Maintenance Costs**

- **High repair bills** BMWs are **notoriously expensive to maintain**, with **labor costs, OEM parts, and specialized expertise** required for engine, transmission, and electrical issues.

- **Carbon buildup in turbocharged engines** (N20/N47) Can cause **knocking, misfires, or reduced power**; requires **fuel system cleaning or turbo replacement** ( $1,500 $3,000).

- **Transmission solenoid failures** The **8HP automatic can develop shifting issues** (jerky or delayed shifts), often requiring **solenoid replacement ( $1,000 $2,000)**.

- **Water pump and timing chain** The **N20 engine** has a **known water pump failure risk** (often linked to the timing chain tensioner), which can lead to **engine damage if ignored** ( $1,200 $1,800 for replacement).

- **Electrical gremlins** **iDrive glitches, sensor failures, and infotainment freezes** are common, requiring **BMW dealership visits** for fixes.

- **Suspension wear** **Struts, bushings, and control arms** wear out around **80,000 100,000 miles**, adding to maintenance costs.

2. **Infotainment System (iDrive)**

- The **iDrive interface** is **clunky and outdated** (especially in pre-2014 models), with **slow response times, confusing menus, and frequent freezes**.

- **No wireless Apple CarPlay/Android Auto** until **2016 models**, limiting modern connectivity.

3. **Diesel-Specific Concerns (520d)**

- **DPF (Diesel Particulate Filter) issues** Modern diesels (post-2015) suffer from **DPF clogging**, but **pre-2015 520d models are less affected** (though still possible with high-mileage or short-trip driving).

- **AdBlue requirement** The **520d (2013 )** needs **AdBlue (urea solution)**, adding **extra fueling costs and potential system failures** if neglected.

- **Lower power than competitors** The **2.0L turbo-4 is less powerful than a 3.0L V6 diesel** (e.g., 530d), which offers **more torque and better towing capability**.

4. **Rust and Body Issues**

- **F10/F11 models (2010 2014)** are **prone to rust**, particularly in **wheel wells, rocker panels, and undercarriage**, especially in **snowy or salted regions**.

- **F20/F30 (2013 2017)** improved rust resistance but still require **regular undercarriage inspections**.

5. **Depreciation (Gasoline Models)**

- The **520i (gasoline)** has **depreciated more sharply** than the diesel, making it a **less attractive long-term investment** unless you prioritize **performance over fuel efficiency**.

6. **Noise and Vibration**

- **N20/N47 engines** can develop **knocking or ticking noises** over time, often due to **carbon buildup or valve train issues**.

- **Road noise** is **noticeable at high speeds** compared to some rivals (e.g., Audi A6, Lexus GS).

7. **Limited Off-Road Capability**

- While the **xDrive all-wheel drive** helps in snow, the **5 Series is not a true off-roader** it lacks **serious ground clearance or 4WD locking differentials**.

---

### **Ending Conclusion**

The **BMW 51422000381 (520d/i, F10/F20/F30)** is a **solid mid-sized luxury sedan** that offers a **great balance of performance, comfort, and driving enjoyment** **provided it is well-maintained**. It excels in **reliability (for a BMW), fuel efficiency (diesel), and driving dynamics**, making it a **strong choice for those who prioritize luxury and driving pleasure over cost of ownership**.

However, **buyers must be prepared for high maintenance costs**, **potential engine/transmission issues**, and **electrical quirks**. The **520d is the better long-term value** due to its **fuel efficiency and lower running costs**, while the **520i is more engaging to drive** but depreciates faster.

**If you find a low-mileage example (under 80,000 miles) with a clean service history, especially a 520d (F10/F11), it can be an excellent purchase.**

Details:

The image to watch on YouTube. Fits: 1986 Kawasaki EX250-E1 Ninja 250R. This is a genuine Kawasaki OEM cross pan head screw, part number 220C0830, suitable for various applications, including handlebar assembly. 1984 Yamaha Outboard genuine Marine 90250-07M02 straight pin OEM replace.

Spotlight: A Day Inside .

part #: 51422000381 price

• $24.99

specifications mocycfra:

• for makes: Bmw
• mpn: 51422000381
• part type: Cap
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: I2 Nwf-n Buk 125 Bin 2

offer mocycfra:

• quantity: 1
• availability: In Stock
• best offers: True
• sold: 0
• started: February 8, 2026
• options: Ship-to-home

seller mocycfra:

• city: Odessa, Florida
• rating: 99.3%
• # reviews: 209189

returns mocycfra:

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

payments mocycfra:

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

general mocycfra:

• Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts
• condition: New other see details

shipping mocycfra:

• cost: $0.00
• carrier: USPS, FedEx
• class: Standard, Expedited, One-day
• type: Fixed
• transit: 4-10 Days
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight

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