BMW 51-91-7-358-702 Fuel Door 177.BM1J22

( Manufacturer Part Number: 51-91-7-358-702 ), ( Conditions Options: White Fuel Door ), ( Genuine Oem: Yes ), ( Ipn: 177.bm1j22 ), ( Descriptionpartcondition: Item Will Show Signs Of Normal, Wear And Use.may Have Scratche ), ( Manufacturer Warranty: 6 Month ), ( Material: Plastic ), ( Items Included: Fuel Tank Cap ), ( Placement On Vehicle: Rear ), ( Features: Dual Coat ), ( Type: Fuel Door ), ( Fuel Type: Gasoline ), ( Capacity: 18 Gal )

Review BMW Fuel Door White fits 740I 2016–2022

The **BMW 51-91-7-358-702** fuel door, applicable to the **2016 through 2022 model years of the BMW 7 Series (G12/G11)**, is a precision-engineered component designed to seamlessly integrate with the luxury and sophistication of this iconic sedan. Crafted from high-grade, corrosion-resistant materials, this fuel door is engineered to withstand the demands of daily driving while maintaining the vehicle s sleek, aerodynamic profile. The part features a robust, yet lightweight construction, ensuring durability without compromising the 7 Series refined aesthetic. Its precise fitment is critical, as it aligns perfectly with the bodywork of the **740i** (and other variants within the G12/G11 lineup), providing a seamless closure that enhances both the vehicle s functionality and visual appeal.

The fuel door is equipped with a **reliable latch mechanism**, designed to securely hold the door in place while driving, preventing unintended openings that could disrupt fuel system operations or pose safety hazards. The interior of the door is lined with a **high-quality, weather-resistant material**, protecting against moisture, dust, and road debris, which is particularly important for maintaining the integrity of the fuel system and surrounding components. The exterior finish is meticulously matched to the vehicle s body color, ensuring a flawless, factory-like appearance that preserves the 7 Series premium look.

For installation, this fuel door is engineered to be compatible with the **BMW 7 Series fuel system architecture**, including the **fuel tank and filler neck assembly**, ensuring proper alignment and secure attachment. The part is designed to accommodate the **electronic fuel cap sensor** (if applicable) and other related components, making it a complete, ready-to-install solution for repairs or replacements. Whether addressing a damaged door, a worn latch, or a simple upgrade, this fuel door delivers the reliability and craftsmanship expected from BMW, ensuring that the 7 Series continues to perform at its best while maintaining its legendary elegance.

### **Pros and Cons of Buying a BMW 5 Series (F10/F11/F12/F13/F14) 740i (2016 2022) with a Fuel Door Issue**

#### **Pros**

1. **Premium Driving Experience** The 5 Series is renowned for its refined ride, precise handling, and high-quality materials, offering a near-luxury experience even in the base 740i trim.

2. **Strong Performance** The inline-6 twin-turbo engine (N63) produces **382 400 hp** (depending on the year) and **406 420 lb-ft of torque**, delivering strong acceleration and a smooth power delivery. The 8-speed ZF Steptronic transmission is reliable and smooth.

3. **Luxury Interior** Even in the 740i, the cabin features premium leather, ambient lighting, a high-quality infotainment system (iDrive), and ergonomic controls. Later models (F11/F12) introduced improved materials and quieter cabins.

4. **Reliability (Compared to Competitors)** While not bulletproof, the 5 Series is generally more reliable than some of its German rivals (e.g., Audi, Mercedes) in this segment, especially with proper maintenance.

5. **Resale Value** BMW 5 Series models hold their value well, particularly the F10/F11 generations, making them a solid long-term investment.

6. **Safety & Technology** Standard features include advanced driver aids (adaptive cruise, lane-keeping, blind-spot monitoring), high-quality audio systems, and available **xDrive all-wheel drive** for better traction.

7. **Aftermarket & Customization** The 5 Series has a strong aftermarket presence, allowing for upgrades in performance, aesthetics, and tech (e.g., M Performance parts, BimmerTech, or custom sound systems).

8. **Fuel Efficiency (For a Luxury Sedan)** The 740i gets **18 22 MPG combined** (city/highway), which is decent for a twin-turbo inline-6 in this class.

9. **Comfort & Practicality** Spacious rear seats, a large trunk (16.6 cu. ft.), and a smooth suspension make it suitable for daily driving and road trips.

10. **M Sport & Performance Options** Available **M Performance packages** (stiffer suspension, sport pedals, unique badging) enhance driving dynamics without requiring an M5.

---

#### **Cons**

1. **Fuel Door Issue (Common Problem)** The most significant drawback is the **fuel door mechanism**, which is known to fail in many F10/F11/F12/F13 models. Symptoms include:

- Fuel door not opening/closing properly.

- Stuck or jammed door requiring manual intervention.

- Electrical gremlins (e.g., door not responding to remote or key fob).

- In some cases, the door may not close securely, leading to fuel leaks or water ingress.

- **Repair Costs:** The fuel door assembly is expensive ( $800 $1,500 installed), and labor can add to the total. Some owners report multiple failures over time.

2. **High Maintenance Costs** BMWs, especially luxury models, require **premium fuel, synthetic oil changes every 5,000 7,500 miles**, and expensive parts. Common issues include:

- **Valvetronic motor failure** (affects throttle response).

- **Turbocharger wear** (common in high-mileage examples).

- **Water pump and timing chain issues** (especially in older F10 models).

- **Electrical gremlins** (sensor failures, iDrive glitches).

- **Carbon buildup** (requires periodic decarbonization, $1,000 $1,500).

- **Oil consumption** (some engines burn oil; check service records).

- **Turbo failure risk** (especially in high-mileage or poorly maintained examples).

- **Valvetronic motor failure** (can cause rough idle or stalling).

4. **Rust & Body Issues** Older F10 models (2011 2016) are prone to **rust in wheel wells, rocker panels, and undercarriage**, especially in snowy or salted regions. Inspect carefully before buying.

5. **Depreciation** While the 5 Series holds value better than some competitors, it still depreciates significantly. A 2016 2018 model may lose **30 40% of its value in 5 years**.

6. **Infotainment Lag (Early Models)** The **iDrive system** in F10/F11 can be slow and unresponsive, especially when navigating menus. Later models (F12/F13) improved this but still lag behind modern touchscreen systems.

7. **Noise & Vibration** Some owners report **wind noise at high speeds**, **road noise in the cabin**, and **engine cover vibrations** (common in N63 engines).

8. **Complex Repairs** BMW s proprietary systems mean repairs can be **time-consuming and costly**, especially if the dealer is involved. Independent mechanics may charge less but require more expertise.

9. **Fuel Economy Variability** While decent for a luxury sedan, the 740i s **MPG can drop significantly** in stop-and-go traffic due to turbo lag and heavy weight.

10. **Competitor Alternatives** For similar performance and luxury, alternatives like the **Audi A6 3.0T, Mercedes E350, or Lexus GS 350** may offer better reliability or lower maintenance costs.

---

### **Key Considerations Before Buying**

1. **Fuel Door History** If the fuel door has been replaced, ask for **service records** and confirm the quality of the repair. A **pre-purchase inspection (PPI)** is **highly recommended** to check for hidden issues.

2. **Maintenance Records** Ensure the car has been **regularly serviced** (oil changes, valve adjustments, turbo inspections). A well-maintained 740i can last **200,000 miles**; neglect can lead to catastrophic failures.

3. **Mileage & Age**

- **2016 2017 (F10/F11):** More rust-prone, older tech, but cheaper.

- **2018 2020 (F12/F13):** Improved interior, better fuel economy, but still N63 engine risks.

- **2021 2022 (F14):** Newer, but **higher price** and **potential teething issues** with the updated platform.

4. **Budget for Repairs** Be prepared for **unexpected costs** (e.g., turbo replacement, fuel door fix, carbon cleaning). A **contingency fund of $3,000 $5,000** is wise.

5. **Test Drive Focus Areas**

- Listen for **turbo whine or exhaust leaks**.

- Check for **rough idling or hesitation** (valvetronic/turbo issues).

- Test the **fuel door mechanism** (open/close multiple times).

- Inspect for **oil leaks** (valve cover, oil filter housing gasket).

- Verify **all electronics** (windows, locks, infotainment).

6. **Alternative Options**

- If the fuel door is a dealbreaker, consider a **used 530i (N55 engine, less turbo-related issues)** or a **BMW 3 Series (more reliable, lower maintenance)**.

- If you prefer **all-wheel drive**, the **535i xDrive** may be a better balance of performance and reliability.

---

### **Final Recommendation**

You **prioritize driving enjoyment and luxury** over absolute reliability.

You **find a well-documented example** with **clean maintenance records** and **no fuel door history**.

You **budget for potential repairs** (especially fuel door, turbo, and Valvetronic).

You **plan to drive it moderately** (not excessive high-speed or aggressive use).

You **enjoy BMW s brand prestige and aftermarket support**.

The **fuel door has been replaced multiple times** or is unreliable.

The car has **high mileage (>100,000 miles) without full service history**.

You **cannot afford unexpected repairs** (BMWs are not cheap to maintain).

You **prefer a more reliable alternative** (e.g., Audi A6, Lexus GS, or a used 3 Series).

- **Get a PPI** from a **BMW specialist** ( $150 $250).

- **Negotiate aggressively** if the fuel door has issues

Details:

TESTED AND 6 MONTH WARRANTEED. WHITE FUEL DOOR 51-91-7-358-702. Proof of certification or licensing must be documented and available upon request. Qualifications of Installer: Only a Certified ASE Mechanic or an automotive technician licensed by recognized state national authority may perform the installation.

part #: 51917358702 prices

• $51.27-$99.60

specifications fueltanksysteme:

• for models: 740i
• for makes: Bmw
• for years: 2016-2022
• mpn: 51-91-7-358-702
• conditions options: White Fuel Door
• genuine oem: Yes
• ipn: 177.bm1j22
• descriptionpartcondition: Item Will Show Signs Of Normal, Wear And Use.may Have Scratche
• manufacturer warranty: 6 Month
• material: Plastic
• items included: Fuel Tank Cap
• placement on vehicle: Rear
• features: Dual Coat
• type: Fuel Door
• fuel type: Gasoline
• capacity: 18 Gal

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: Used

offer fueltanksysteme:

• started: February 18, 2026
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping fueltanksysteme:

• transit: 3-7 Days
• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: Rancho Cordova, California
• rating: 99.8%
• # reviews: 3753

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Mastercard

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