AUDI 06E109101BW Supercharged Engine Left Cylinder Head 306-50564 4G8 4L 3.0L

( Manufacturer Part Number: 06E109101BW ), ( Part Type: Engine Cylinder Head ), ( Donor Year: 2014 ), ( Ipn: 306-50564 ), ( Miles: 130, 947 ), ( Tag: V57652 )

Review AUDI 4g8 4l 3.0l Supercharged Engine Left Cylinder Head fits A6 A7 Q7 C7 2012–2015

The **Audi 06E109101BW 3.0L Supercharged Engine Left Cylinder Head** is a meticulously engineered component designed for Audi s high-performance lineup spanning models from the **A6 (C7), A7 (4L), Q7 (4L), C7 Coup , and S7 (4L)**, as well as the **A8 (D3)**, covering production years from **2012 to 2015**. This left-side cylinder head is a critical part of the **3.0L V6 supercharged engine (designated 06E)**, which powers Audi s most spirited and torque-rich variants, including the **S6, S7, and RS7**, where it delivers an exhilarating blend of power and responsiveness. Crafted from high-grade aluminum alloy, the cylinder head features a **multi-valve design** with **four valves per cylinder** (intake and exhaust), allowing for optimized airflow and improved combustion efficiency. The **supercharged intake system** ensures a robust boost pressure delivery, enhancing both low-end torque and top-end performance, making it ideal for drivers seeking a balance of daily drivability and thrilling acceleration.

The **left cylinder head** is equipped with **hydraulic valve lifters**, ensuring smooth operation and minimal wear, while the **integrated supercharger drive pulley** is precisely machined to maintain optimal tension and alignment with the engine s auxiliary components. The **intake and exhaust ports** are contoured for maximum flow, reducing restriction and supporting the engine s aggressive power delivery. Additionally, the head incorporates **high-pressure fuel injectors** and **spark plugs** positioned for precise combustion, contributing to the engine s **333 horsepower and 350 lb-ft of torque** in its stock configuration. For performance enthusiasts, this cylinder head is often a focal point for upgrades, such as **high-flow headers, larger supercharger wheels, or modified camshafts**, to further enhance breathing and power output.

Built to Audi s stringent quality standards, this cylinder head is **fully compatible with the 06E engine family**, ensuring seamless integration with the **3.0L V6 supercharged powertrain s** oil passages, coolant channels, and electrical components. The **left-side orientation** is crucial for proper alignment with the **crankshaft, camshaft, and supercharger assembly**, preventing interference and ensuring reliable operation. Whether used in a **restoration project, performance modification, or replacement due to wear**, this cylinder head delivers the durability and precision expected from Audi s high-performance engineering. Its robust construction and optimized design make it a **cornerstone of the 06E engine s legendary driving dynamics**, offering a perfect blend of efficiency, power, and refinement for Audi s most dynamic models.

### **Pros and Cons of Buying an Audi (06E109101BW) 2012 2015 A6/A7/Q7/C7 (4G8 3.0L Supercharged Engine with Left Cylinder Head Issue)**

#### **Overview of the Vehicle**

The **Audi 06E109101BW** refers to a **2012 2015 model year** (A6, A7, Q7, or C7) equipped with the **3.0L V6 supercharged engine (4G8)**, which was part of Audi s **FSI (Fuel Stratified Injection) lineup**. This engine was known for its **performance, luxury, and strong resale value** but has faced **reputation issues** due to a **common cylinder head failure** (particularly on the **left cylinder head**).

---

### **Pros**

1. **Strong Performance**

- The **3.0L supercharged V6** produces **333 350 hp** (depending on model year and tuning), providing **smooth acceleration and a sporty driving experience**.

- The supercharger enhances **low-end torque**, making it suitable for **daily driving and highway passing**.

- Well-matched to Audi s **quattro AWD system**, offering **excellent traction** in various conditions.

2. **Luxury and Comfort**

- Audi s **premium interior** features **high-quality materials, advanced infotainment (MMI), and comfortable seating**.

- **Quiet cabin** with **sound insulation**, making long drives pleasant.

- **Adaptive suspension** (optional) improves ride comfort on rough roads.

3. **Reliability (Compared to Competitors)**

- While the **cylinder head issue** is a major concern, the **engine itself is robust** if maintained properly.

- **Transmission (6-speed Tiptronic)** is generally **durable** if fluid changes are done on schedule.

- **Electrical systems** (headlights, windows, climate control) are **reliable** for Audi standards.

4. **Resale Value (For Well-Maintained Examples)**

- Audi s **brand prestige** means that **low-mileage, well-documented examples** retain **better value** than some German rivals.

- **Quattro AWD models** hold value better than FWD counterparts.

5. **Aftermarket Support**

- **Tuning community** (e.g., **Audi Sport, Stage 1 3 kits**) can **boost power significantly** (400 hp with proper tuning).

- **Supercharger upgrades** (e.g., **Turbocharger replacements, intercoolers**) are available for those willing to invest.

- **Performance parts** (exhaust, suspension, brakes) are widely available.

6. **Safety Features**

- **Standard safety tech** (ESP, ABS, multiple airbags) is **reliable**.

- **Optional advanced systems** (adaptive cruise control, lane assist) add to **modern safety standards**.

---

### **Cons**

1. **Cylinder Head Failure (Left Side Most Critical Issue)**

- **Overheating** (due to **coolant leaks, thermostat failure, or water pump issues**).

- **Supercharger-related stress** (excessive boost can contribute to head stress).

- **Manufacturing defects** (some reports suggest **early models were more affected**).

- **White smoke from exhaust** (coolant burning into combustion chamber).

- **Overheating** (even with proper coolant levels).

- **Misfires, rough idle, or loss of power**.

- **Coolant leaks** (visible under the engine or in the oil cap).

- **Replacement cylinder head** (or **full head machining**) can cost **$2,500 $4,500 ** (parts labor).

- **Additional issues** (e.g., **water pump, thermostat, gaskets**) may be required, **doubling costs**.

- **Engine rebuild** (in severe cases) can exceed **$6,000 $8,000**.

2. **Supercharger Reliability Concerns**

- **Whining noises** (indicating belt slippage).

- **Loss of boost pressure** (reduced performance).

- **Replacement cost:** **$1,500 $2,500** (parts labor).

- **Maintenance required:** **Regular belt tension checks, belt replacements every 60K 80K miles**.

3. **Electrical Gremlins (Common in Audi)**

- **Infotainment glitches** (MMI system freezes, touchscreen issues).

- **Window regulator failures** (common in A6/A7).

- **Sensor malfunctions** (parking sensors, blind-spot monitoring).

- **Repairs can be costly** due to **Audi s proprietary systems**.

4. **Maintenance Costs**

- **High-quality parts** (Audi-specific) increase repair expenses.

- **Specialized labor** (Audi dealerships or trusted mechanics) is recommended for **engine work**.

- **Oil changes** (synthetic, high-quality) should be done **every 5,000 7,500 miles** to prevent sludge buildup.

5. **Fuel Economy (Not Great for a V6)**

- **City: 16 18 MPG**

- **Highway: 22 25 MPG**

- **Diesel alternatives (e.g., 3.0 TDI)** offer **better fuel efficiency** if range is a priority.

6. **Depreciation & Market Perception**

- Despite its **performance**, the **cylinder head issue has tarnished its reputation**, making **used examples harder to sell**.

- **Insurance costs** may be **higher** due to **engine complexity and repair risks**.

7. **Potential Transmission Issues**

- Some owners report **rough shifting** or **delayed engagement** in the **6-speed Tiptronic**.

- **Fluid changes** should be done **every 60K miles** to prevent premature wear.

---

### **Key Considerations Before Buying**

1. **Always Check for Cylinder Head Issues**

- **Get a pre-purchase inspection (PPI) from a trusted Audi specialist.**

- **Look for signs of overheating** (check coolant system, thermostat, water pump).

- **Inspect for white smoke from exhaust** (indicates coolant burning).

- **Request maintenance records** (especially **coolant changes, supercharger service**).

2. **Budget for Potential Repairs**

- **Set aside $3,000 $5,000** for **unexpected cylinder head or supercharger work**.

- **Avoid buying without a warranty** (even a **limited 30-day inspection warranty** helps).

3. **Consider a Rebuilt or Retuned Example**

- Some owners have **successfully rebuilt the cylinder head** and **replaced the supercharger**.

- **Tuned examples** (with **Stage 1 2 mods**) can be **more reliable** if properly maintained.

4. **Alternative Engines to Consider**

- **3.0L TDI (diesel)** More fuel-efficient, fewer overheating issues.

- **2.0L TFSI (turbocharged)** More reliable, better MPG, but less power.

- **2.0L TDI (A3/A4)** Extremely durable, low maintenance.

5. **Where to Buy?**

- **Audi dealerships** (for certified pre-owned with warranties).

- **Reputable private sellers** (with **full service history**).

- **Avoid salvage yards or "as-is" sales** without inspection.

---

### **Final Recommendation**

You **find a well-documented example** with **no overheating history** and **full maintenance records**.

You **budget for potential cylinder head or supercharger repairs** ($3K $5K contingency).

You **plan to keep it long-term** and **perform regular maintenance** (coolant changes, supercharger service).

You **enjoy the performance and luxury** and are **willing to accept some risks** for the driving experience.

You **get a pre-purchase inspection** from an **Audi specialist** before buying.

You **cannot afford major engine repairs** (cylinder head or supercharger failure).

The **seller refuses to provide maintenance history** or **inspection reports**.

You **see signs of overheating** (white smoke, coolant leaks, overheating warnings).

You **prior

Details:

The pictures are the ACTUAL PICTURES OF THE ITEM FOR SALE. Initial testing consists of starting the vehicle, running code scans, road if safe to do so, and completing an extensive inspection checklist. On return this item. After items are removed and cleaned they inspected one final time before posting.

Left-Hand Drive Vehicles. The more actions option. We subscribe to fitment software and include all relevant useful information in our listings whenever possible. Made for USA Vehicles: All vehicles and parts are manufactured to be sold the market.

Emissions standards, side of road vehicles drive on, etc. Weather patterns cold vs. There may be normal signs of wear and tear present such as scratches, scuffs, dirt, etc. And cultural preferences income levels, family sizes, typical modes of transportation, etc. SHIPPING DEALS: Review our shipping details before you purchase.

Item has been fully inspected and tested found to be in good working order.

part #: 06e109101bw prices

• $279.32-$300.99

specifications cylinderheapar:

• for models: A6, A7, Q7, C7
• for makes: Audi
• for years: 2012-2015
• mpn: 06e109101bw
• part type: Engine Cylinder Head
• donor year: 2014
• ipn: 306-50564
• miles: 130, 947
• tag: V57652

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Mastercard

offer cylinderheapar:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 27, 2026

shipping cylinderheapar:

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

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

returns cylinderheapar:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

seller cylinderheapar:

• city: Oroville, California
• rating: 99.9%
• # reviews: 31542

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