BMW 7504477 Left Engine Cylinder Head 4.8L N62
fits model: X5, E70. make: Bmw. year: 2007–2010.
( Manufacturer Part Number: 7504477 ), ( Type: Cylinder Head ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Germany )
Review BMW 4.8l N62 Left Side Engine Cylinder Head Oem fits X5 E70 2007–2010
The **BMW 7504477 (07-10 E70 X5 4.8L N62 Left Engine Cylinder Head)** is a meticulously engineered, high-performance component designed exclusively for the iconic BMW X5 E70 platform, specifically tailored to the 4.8-liter twin-turbocharged V8 (N62) engine configuration. This cylinder head, crafted with precision and built to exacting BMW specifications, represents the left-hand side of the engine s dual-overhead-camshaft (DOHC) architecture, ensuring optimal airflow, combustion efficiency, and power delivery. The casting is produced from high-grade aluminum alloy, engineered to withstand the intense thermal and mechanical stresses of forced induction, while its intricate port design featuring precise valve seats, optimized intake and exhaust passages, and a robust valve train contributes to the engine s legendary responsiveness and torque output. The N62 s left cylinder head integrates the standard BMW N62 features, including the twin-turbocharged system, variable valve timing (VANOS), and the signature high-flow exhaust ports, all of which are critical for maintaining the engine s performance characteristics. This part is a direct replacement for the original equipment manufacturer (OEM) component, ensuring a perfect fit with the E70 X5 s engine bay, including the correct bolt patterns, gasket surfaces, and mounting points. Whether used for a restoration project, a performance upgrade, or a reliable replacement after wear, this cylinder head upholds the engineering standards that define BMW s legendary V8 powerplants, delivering both durability and the raw driving experience that enthusiasts expect from the X5 s 4.8-liter twin-turbo V8.
### **Pros and Cons of Buying a BMW X5 E70 (07-10) with a 4.8L N62 Engine (Left Cylinder Head Issue)**
#### **Pros**
1. **Strong Engine and Performance**
The 4.8L N62 V8 is a robust engine known for its reliability and power output, producing around 333 400 horsepower depending on the model year. It offers a smooth driving experience with good acceleration, making it suitable for both highway driving and towing.
2. **Luxury and Comfort**
The X5 E70 is a premium SUV with high-quality interior materials, comfortable seating, and advanced features for its time (2007 2010). The spacious cabin and refined ride make it ideal for long trips and family use.
3. **Resale Value and Brand Prestige**
BMW retains strong resale value, and the X5 remains a desirable luxury SUV. Owning a BMW carries prestige, which can be appealing for personal satisfaction.
4. **AWD Capability**
The X5 E70 typically comes with BMW s xDrive all-wheel-drive system, providing better traction in adverse weather conditions compared to rear-wheel-drive vehicles.
5. **Modification Potential**
The N62 engine is popular among tuners, and aftermarket support is extensive. Upgrades like cold air intakes, exhaust systems, and ECU tuning can enhance performance.
6. **Durability of the Chassis**
The E70 platform is known for its sturdy construction, making it a durable SUV for daily driving and occasional off-roading (though not designed for extreme off-road use).
7. **Availability of Parts and Mechanics**
As a well-established model, parts are widely available, and BMW dealerships and independent mechanics are familiar with the E70 s systems.
---
#### **Cons**
1. **Left Cylinder Head Issue (N62 Engine)**
The most critical concern is the **left cylinder head (side facing the driver) cracking or failing** in the N62 engine, particularly in higher-mileage examples. This issue is well-documented and can lead to:
- **Engine misfires** (due to failed spark plugs, wires, or ignition coils).
- **Oil leaks** (from the cylinder head gasket or cracked head).
- **Compression loss** (reducing power and efficiency).
- **Potential catastrophic failure** if ignored (though rare, it can cause severe engine damage).
- **High repair costs** (replacing the cylinder head or performing a full rebuild can cost **$3,000 $6,000 **, depending on labor and parts).
**Mitigation:** Ensure the seller provides **service records proving the head has been inspected/replaced** or that the vehicle has passed a **pre-purchase inspection (PPI) confirming no head issues**. A compression test or leak-down test is advisable before buying.
2. **High Maintenance Costs**
BMWs, especially luxury models, require **regular and often expensive maintenance**, including:- **Timing chain tensioner replacement** (every 60,000 100,000 miles).
- **Valvetronic motor servicing** (if equipped).
- **Transmission fluid changes** (some owners report issues with the ZF 8HP automatic).
- **Suspension and steering components** (struts, bushings, and control arms wear out over time).
3. **Fuel Economy Concerns**
The 4.8L V8 is thirsty, averaging **12 15 MPG combined**, making it expensive to fuel compared to modern turbocharged or hybrid alternatives.
4. **Electrical Gremlins**
Early E70 models (especially pre-2009) are notorious for **electrical issues**, including:- **Faulty sensors** (e.g., mass airflow sensor, camshaft position sensor).
- **Infotainment glitches** (iDrive system can be finicky).
- **Window regulator failures** (common in older BMWs).
5. **Rust and Body Issues**
Depending on the region and climate, the E70 may suffer from **underbody rust** (especially in snowy or salted areas) or **roof rack corrosion**. A thorough inspection of the undercarriage and wheel wells is essential.
6. **Depreciation**
While BMWs hold value reasonably well, the E70 is no longer a new model, and its value has declined significantly since its peak. If you plan to sell later, you may not recover as much as you invested.
7. **Towing Limitations**
While the X5 can tow, the N62 engine s weight and fuel consumption make it less efficient for heavy towing compared to modern diesel or hybrid SUVs.
8. **Recall and Warranty Issues**
Some E70 models may have **unaddressed recalls** or **expired manufacturer warranties**, leaving the buyer responsible for repairs.
---
### **Conclusion**
Buying a **2007 2010 BMW X5 E70 with a 4.8L N62 V8 (especially with a left cylinder head concern)** can be a **great value if the engine is well-maintained and the cylinder head issue is resolved**. However, it requires **due diligence** to avoid costly surprises.
**If the cylinder head has been replaced or verified as sound**, the X5 E70 remains a **capable, luxurious SUV** with strong performance and a loyal following. It is well-suited for:
- **Enthusiasts who appreciate classic BMWs and enjoy tuning.**
- **Owners who prioritize comfort, space, and AWD capability over fuel efficiency.**
- **Those who can afford and are willing to budget for maintenance.**
**If the cylinder head is compromised or unknown**, the risks outweigh the rewards unless you are prepared for a **major repair upfront**. In such cases, a **different BMW (e.g., 3 Series, 5 Series) or a modern diesel SUV** might be a safer long-term investment.
---
### **Recommendation**
1. **If Buying Used:**- **Get a pre-purchase inspection (PPI) from a BMW specialist** who can confirm the condition of the cylinder head, timing chain, and overall engine health.
- **Request full service records**, especially for **timing chain, valve adjustments, and cylinder head work**.
- **Run a compression test** to ensure all cylinders are performing evenly.
- **Check for oil leaks** (common around the cylinder head gasket area).
- **Test drive thoroughly**, paying attention to **engine misfires, rough idling, or power loss**.
2. **If the Cylinder Head is Problematic:**- **Negotiate a lower price** to account for the potential repair cost (or walk away if the discount isn t sufficient).
- **Budget $3,000 $6,000 for a cylinder head replacement or rebuild** if needed.
- **Consider alternative BMWs** (e.g., **N54 3.0L inline-6, N63 diesel, or later E70 models with fewer issues**).
3. **If You re a Mechanically Inclined Buyer:**- The N62 is a **reputable engine** when properly maintained, and the X5 E70 is a **fun, capable SUV**. If you re comfortable with **regular maintenance and potential repairs**, it can be a rewarding purchase.
4. **If You Want Lower Risk:**- Look for an **X5 E70 with a known cylinder head replacement** or a **different BMW model** (e.g., **5 Series with N52/N54 engine**) that may have fewer major issues.
**Final Verdict:**The **X5 E70 4.8L N62 is a solid choice if the cylinder head is verified as sound**, but the **left cylinder head issue is a dealbreaker for many buyers**. **Prioritize a PPI, service history, and mechanical confirmation** before purchasing. If the engine is healthy, it s a **great SUV for enthusiasts**; if not, the risks may not be worth it.
Details:
ENGINE: 4.8L V8 N62. LEFT SIDE ENGINE CYLINDER HEAD, PART # 7504477 7563834 7542613, WILL FIT 2007 2010 BMW X5 E70 4.8L, DONOR VEHICLE: 2009. EXTERIOR COLOR: ALPINE WHITE PAINT CODE: 300.
part #: 7504477 prices
- $19.00-$242.19
specifications cylinderheapar:
- for models: X5, E70
- for makes: Bmw
- for years: 2007-2010
- mpn: 7504477
- type: Cylinder Head
- manufacturer warranty: 1 Month
- country of origin: Germany
payments cylinderheapar:
- wallet: Paypal
- credit card: Discover
- other
shipping cylinderheapar:
- type: Fixed
- class: Standard
- cost: $70.00
- transit: 4-8 Days
- service: Standard
seller cylinderheapar:
- city: Wylie, Texas
- rating: 99.3%
- # reviews: 1661
returns cylinderheapar:
- paid by: Buyer
- time: 30 Days
- policy: Returns Accepted
general cylinderheapar:
- Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
- condition: Used
offer cylinderheapar:
- best offers: True
- availability: In Stock
- sold: 0
- options: Ship-to-home
- quantity: 1
- started: March 11, 2026
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