BMW 51117436897 Front Lh Bumper Grille Air Intake Closed DD602126

( Manufacturer Part Number: 51117436897 ), ( Type: Grille ), ( Color: Black ), ( Material: Plastic ), ( Placement On Vehicle: Front, Left ), ( Country Of Origin: Germany )

Review BMW Front Lh Bumper Grille Air Intake Closed fits Z4 2019–2022

The **BMW 51117436897 DD602126 front left-hand (LH) bumper grille air intake assembly** is a precision-engineered component designed exclusively for the **Z4 (F30/F31/F39) models spanning the years 2019 through 2022**. This high-performance part is crafted to maintain the iconic sporty aesthetic and aerodynamic efficiency of BMW s signature roadster, ensuring a seamless fit while preserving the vehicle s signature front-end styling. The bumper grille assembly integrates a closed air intake system, which optimizes airflow for improved engine cooling and underbody protection, particularly in high-performance applications or aftermarket modifications where stock components may not suffice. Constructed from durable, high-grade materials, this part is engineered to withstand the rigors of daily driving, aggressive driving conditions, and potential impacts, offering both functional robustness and a polished, factory-aligned appearance. The design adheres to BMW s rigorous quality standards, featuring precise laser-cut contours and meticulously aligned mounting points to guarantee a flawless installation without compromising the vehicle s structural integrity. Whether used for a complete replacement due to damage, a custom tuning project, or an upgrade to enhance aerodynamics, this bumper grille assembly ensures that the Z4 retains its distinctive, aggressive front-end character while delivering reliable performance. Its compatibility with both the **F30 (2019 2020) and F31/F39 (2021 2022) facelift models** makes it a versatile solution for owners seeking authenticity and performance in equal measure.

### **Pros and Cons of Buying a 2019 2022 BMW Z4 (F31/F32) with the Specs: 51117436897 DD602126 (Front LH Bumper, Grille, Air Intake Closed)**

This vehicle is a **BMW Z4 (F31/F32) with a 3.0L inline-6 twin-turbo engine (N63B30T0)**, likely in a **M35i or M40i trim**, given the engine code (DD602126). The front bumper, grille, and air intake are closed, which suggests it may have been modified or is in a non-standard configuration. Below is a detailed breakdown of the pros and cons of purchasing this car, followed by a conclusion and recommendation.

---

### **Pros**

1. **Strong Engine Performance**

- The **N63B30T0** is a high-performance inline-6 twin-turbo engine, producing **382 400 hp** (depending on the model year and tuning) and **369 lb-ft of torque**.

- It delivers **excellent acceleration** (0-60 mph in 4.5 5.0 seconds in stock form) and **strong mid-range power**, making it ideal for spirited driving.

- The engine is **reliable if well-maintained**, though it requires **high-quality fuel and proper oil changes** to prevent carbon buildup and turbo issues.

2. **Sporty Handling & Driving Dynamics**

- The **Z4 is a rear-wheel-drive (RWD) roadster**, offering **precise steering, balanced weight distribution, and engaging rear-wheel traction**.

- The **adaptive suspension (optional on higher trims)** improves comfort and cornering stability.

- The **manual or automatic (Steptronic) transmission** (depending on the model) provides a **smooth and engaging driving experience**.

3. **Luxury & Interior Quality**

- The **interior is upscale**, with **high-quality materials (leather, aluminum trim, ambient lighting)** on higher trims.

- **Comfortable seating** (especially the **M Sport or M Performance seats**) and **good sound insulation** make long drives enjoyable.

- **Advanced infotainment (iDrive 7 or 8, depending on the year)** with **Apple CarPlay, Android Auto, and BMW ConnectedDrive** features.

4. **Convertible Top Mechanism (If Applicable)**

- The **electric or manual soft-top** is **reliable** (though some early F31 models had minor issues that were fixed in later years).

- The **open-top experience** is one of the best in its class, making it ideal for warm-weather driving.

5. **Resale Value & Brand Prestige**

- BMW retains **strong resale value**, especially for well-maintained **M35i/M40i models**.

- The **Z4 is a desirable convertible**, which can make it easier to sell in the future if maintained properly.

6. **Aftermarket & Tuning Potential**

- The **N63 engine is highly tunable**, with options for **boost increases, exhaust upgrades, and suspension tuning** to enhance performance.

- **Performance parts (e.g., cold air intakes, exhaust systems, ECU tuning)** are widely available, allowing owners to push the car further.

7. **Safety Features (Modern Models)**

- **Adaptive Cruise Control (ACC)**

- **Lane Departure Warning (LDW)**

- **Automatic Emergency Braking (AEB)**

- **Blind Spot Monitoring**

- **Parking sensors (rear & front, depending on trim)**

---

### **Cons**

1. **Potential Reliability Concerns with the N63 Engine**

- The **N63 twin-turbo inline-6** is known for **carbon buildup** (especially if driven on low-octane fuel), which can cause **knocking and reduced performance**.

- **Turbocharger failures** can occur if the car is **over-revved or not maintained properly**.

- **Oil consumption** can be an issue in some examples, requiring **frequent top-ups**.

2. **Convertible Top Issues (If Present)**

- **Early F31 models (2016 2018) had some soft-top reliability issues**, including **leaks, motor failures, and fabric wear**.

- **Later F32 models (2019 2022) improved reliability**, but **proper maintenance (lubrication, inspections) is still crucial**.

- **Rain leaks** can occur if the **seals degrade over time**.

3. **Higher Maintenance Costs**

- BMWs (especially performance models) have **expensive parts and labor costs**.

- **Twin-turbo engines require specialized servicing**, including **carbon cleaning ( $500 $800) and turbo replacements ( $1,500 $2,500)** if needed.

- **Transmission fluid changes** (every 60K miles) are **often overlooked but critical** for longevity.

4. **Closed Front Bumper & Air Intake Modification**

- The **closed grille and air intake** suggest that the car may have been **modified for aesthetics or performance tuning**.

- **Reduced cooling efficiency** (if the intake is fully closed, it could restrict airflow to the engine bay).

- **Possible voiding of warranty** (if the modification was done without BMW s approval).

- **Aesthetic concerns** some buyers prefer the **stock or aftermarket grille/air intake** for a more aggressive look.

- If the modification was done **for performance**, ensure it was **properly tuned** to avoid **engine overheating or turbo stress**.

5. **Fuel Economy & Running Costs**

- The **Z4 is not fuel-efficient** expect **18 22 MPG combined** (city/highway).

- **High-performance models (M35i) consume more fuel**, increasing **maintenance and insurance costs**.

- **Premium fuel (91 octane) is recommended** to prevent knocking and carbon buildup.

6. **Depreciation & Insurance Costs**

- While BMWs hold value reasonably well, **convertibles depreciate faster** than coupes or sedans.

- **Insurance premiums** for a **high-performance Z4 can be expensive**, especially for younger or inexperienced drivers.

7. **Potential Rust & Bodywork Issues**

- The **Z4 is prone to rust** in **wheel wells, rocker panels, and undercarriage**, especially in **salted climates**.

- **Check for existing rust** before purchasing, as repairs can be **costly**.

8. **Limited Practicality as a Daily Driver**

- The **open-top design** means **no protection from weather**, which can be inconvenient in **rain, snow, or extreme heat**.

- **Storage space is limited** compared to a sedan or SUV, making it less ideal for **families or those carrying large items**.

---

### **Conclusion**

The **2019 2022 BMW Z4 (F31/F32) with the N63 engine** is a **fantastic choice for enthusiasts** who prioritize **performance, driving dynamics, and luxury**. However, **potential reliability issues (especially with the N63 engine and convertible top), high maintenance costs, and practical limitations** must be carefully considered.

The **closed front bumper and air intake** could be a **positive (if tuned properly) or negative (if restricting airflow)**, depending on the modification s intent. If the car has been **well-maintained**, the **engine and top should be in good condition**, but **a thorough inspection is essential**.

### **Recommendation**

You **prioritize driving enjoyment** and are willing to **budget for maintenance**.

You **plan to keep it in good condition** (regular oil changes, carbon cleaning, turbo checks).

You **don t mind higher running costs** (fuel, insurance, repairs).

The **closed intake is for aesthetic reasons** (not performance) and **does not restrict airflow**.

You **have a garage or covered parking** to protect the convertible top.

You **expect ultra-low maintenance** BMWs require **dedicated upkeep**.

The **convertible top shows signs of wear** (leaks, motor failure, fabric damage).

The **engine has a history of poor maintenance** (carbon buildup, oil consumption).

You **need a practical daily driver** (this is a **fun car, not a family vehicle**).

The **closed intake modification was done without proper tuning**, risking **engine stress**.

This **Z4 is a fantastic purchase for the right buyer** someone who **loves BMWs, enjoys driving, and is prepared for the associated costs**. However, **due diligence is crucial**, including:

- **A pre

Details:

For sale: BMW Z4 2019 - 2022 Front LH Bumper Grille Air Intake Closed DD602126 OEM: THIS IS A USED FACTORY PART, NOT AFTERMARKET. THE PART IS IN GOOD CONDITION no cracks, no chips, may have lite pitting or scratches. PART NUMBER# see above.

part #: 51117436897 prices

• $49.99-$72.87

specifications grilexte:

• for models: Z4
• for makes: Bmw
• for years: 2019-2022
• mpn: 51117436897
• type: Grille
• color: Black
• material: Plastic
• placement on vehicle: Front, Left
• country of origin: Germany

offer grilexte:

• options: Ship-to-home
• best offers: True
• sold: 0
• quantity: 1
• availability: In Stock
• started: February 20, 2026

shipping grilexte:

• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• type: Fixed
• cost: $19.99
• transit: 4-7 Days

payments grilexte:

• other
• wallet: Apple-pay
• credit card: Mastercard

general grilexte:

• Car Truck Parts Accessories > Exterior Parts Accessories > Grilles
• condition: Used

returns grilexte:

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

seller grilexte:

• rating: 99.5%
• # reviews: 7490
• city: Sacramento, California

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