BMW BOSCH 0260550027 Engine Transmission Valve Body 3.0L Mechatronic A063

( Brand: Bmw Bosch ), ( Manufacturer Part Number: 0260550027 ), ( Type: Rwd ), ( Seller Warranty: Yes ), ( Oe/oem Part Number: 6058007084, 6058 007 084, 3052363, 1068327210, 1068 327 210, A063, A 063, 1068427237, 1068 427 237 ), ( Fitment Type: Direct Replacement )

Review BMW BOSCH 3.0l Engine Transmission Valve Body Mechatronic fits 335I E90 E92 E93 2007–2013

The **BMW Bosch 0260550027 Transmission Valve Body Mechatronic (A063)** is a critical, high-performance component designed exclusively for the **3.0-liter inline-six engine** found in BMW s **E90, E92, and E93 335i models** produced between **2007 and 2013**. This precision-engineered part serves as the heart of the vehicle s automatic transmission control system, integrating both hydraulic and electronic functions to regulate gear shifts, clutch engagement, and torque converter operation with seamless efficiency. Crafted with BMW s stringent quality standards and engineered in collaboration with **Bosch**, a leader in automotive mechatronics, this valve body is built to withstand the demands of high-performance driving while ensuring optimal transmission performance, longevity, and reliability.

The **A063 mechatronic valve body** is a sophisticated hybrid of mechanical and electronic components, featuring an integrated **electronic control unit (ECU)** that communicates directly with the vehicle s transmission control module (TCM) via the **CAN bus network**. This advanced design eliminates the need for traditional hydraulic solenoids alone, instead utilizing **electrically actuated valves** to precisely control fluid flow within the transmission, resulting in smoother, quicker, and more responsive gear shifts. The component is equipped with **multiple solenoid valves**, including those responsible for shift solenoids, lockup clutch control, and torque converter modulation, all of which work in tandem to optimize power delivery and fuel efficiency across a range of driving conditions from city stop-and-go traffic to high-speed highway cruising.

Constructed from **high-grade aluminum and reinforced steel components**, the valve body is designed for durability and resistance to wear, ensuring it can endure the thermal and mechanical stresses of daily driving as well as the occasional spirited acceleration or aggressive downshifting. The internal architecture includes **precision-machined passages and ports** that direct transmission fluid with minimal restriction, reducing energy loss and maintaining optimal hydraulic pressure. Additionally, the mechatronic design incorporates **diagnostic capabilities**, allowing the vehicle s onboard computer to detect and report potential issues such as solenoid failures, fluid leaks, or electrical malfunctions, thereby enabling proactive maintenance before minor problems escalate into costly repairs.

For enthusiasts and mechanics alike, this **OEM-quality valve body** is an essential replacement part for those restoring or upgrading their **335i models**, particularly when addressing transmission-related symptoms such as delayed shifts, harsh gear changes, or erratic clutch engagement. Whether replacing a worn-out original component or upgrading an aftermarket transmission, the **Bosch 0260550027** ensures compatibility with the **ZF 6HP26 automatic transmission**, which powers these iconic BMWs, delivering the same level of performance and refinement expected from a factory-spec part. Its integration with the vehicle s broader electronic systems also means it adheres to BMW s **iDrive and NBT (Next Generation Business Terminal) compatibility**, ensuring seamless operation with the infotainment and diagnostic interfaces.

In summary, the **BMW Bosch 0260550027 Transmission Valve Body Mechatronic (A063)** is a **mission-critical, high-tech component** that embodies the perfect blend of mechanical precision and electronic intelligence. Ideal for both restoration projects and routine maintenance, it restores the transmission s factory-intended functionality, ensuring that every shift is crisp, every downshift is instantaneous, and every drive feels as dynamic and refined as the day the car left the factory. For owners seeking to maintain or enhance the performance of their **E90/E92/E93 335i**, this part is an indispensable investment in reliability and driving pleasure.

### **Pros and Cons of buying a BMW Bosch 0260550027 (A063 Transmission Valve Body Mechatronic for E90/E92/E93 335i 3.0L, 2007 2013)**

#### **Pros**

1. **Direct Fitment** This part is specifically designed for the **E90, E92, and E93 335i models** with the **N63 3.0L engine** and **A063 transmission (Getrag GS6-53BZ)**. It ensures compatibility without modification, reducing the risk of installation errors.

2. **OEM Quality** Produced by **Bosch**, a trusted automotive supplier, this component adheres to BMW s original specifications, ensuring reliable performance and longevity when installed correctly.

3. **Common Failure Point** The **transmission valve body (TVB) mechatronic** is a known wear item in the A063 transmission, especially in higher-mileage or heavily driven vehicles. Replacing it prevents **shifting issues, delayed engagement, or complete transmission failure**, which can be far more costly to repair.

4. **Prevents Costly Repairs** Ignoring TVB failure can lead to **internal transmission damage**, requiring a full rebuild or replacement (often **$3,000 $6,000 **). Replacing just the valve body is a **fraction of that cost** ( $500 $1,200 installed).

5. **Improves Transmission Performance** A failing TVB can cause **rough shifting, slipping, or hesitation**. A new one restores smooth gear changes and prevents further degradation of the transmission.

6. **Warranty & Reliability** Since this is an **OEM-replacement part**, it should come with a **limited warranty** (typically 1 2 years from purchase). Bosch parts are generally durable if installed properly.

7. **Aftermarket Support** Many mechanics and transmission specialists are familiar with this part, making installation and troubleshooting easier.

---

#### **Cons**

1. **High Replacement Cost** While cheaper than a full transmission rebuild, the **labor cost** (if not DIY) can still be **$500 $1,200**, depending on the shop. Some owners opt for **aftermarket alternatives** (e.g., **Dorman, ACDelco**) for slightly lower prices ( $300 $600 part-only).

2. **Complex Installation** The **A063 transmission** is not the easiest to work on, requiring **specialized tools, torque specifications, and fluid changes**. DIY installation is **challenging** for inexperienced mechanics, increasing the risk of **leaks, improper sealing, or recontamination** if not done correctly.

3. **Fluid & Filter Replacement Required** BMW recommends **changing the transmission fluid and filter** during a TVB replacement to ensure proper lubrication. This adds **$100 $300** to the total cost.

4. **Potential for Counterfeit Parts** Since this is a **common BMW part**, there is a risk of purchasing a **fake or low-quality aftermarket copy**. Always buy from **reputable suppliers** (e.g., **BMW Approved, RockAuto, local BMW specialists**) to avoid this.

5. **Symptoms May Persist if Underlying Issues Exist** If the transmission has **internal wear (clutches, bands, solenoids)**, replacing just the TVB may **temporarily fix symptoms** but not the root cause. A **full transmission diagnostic** is recommended before purchase.

6. **Limited Longevity Without Proper Maintenance** Even with a new TVB, the transmission s lifespan depends on **fluid changes, driving habits, and load conditions**. Neglecting maintenance afterward can lead to **further failures**.

---

### **Conclusion**

Buying the **BMW Bosch 0260550027 (A063 Transmission Valve Body Mechatronic)** is a **smart investment** for **E90/E92/E93 335i owners** experiencing **shifting problems, delayed engagement, or warning lights (DTCs like P0740, P0741, P0742)**. It is **far cheaper than a transmission rebuild** and prevents **catastrophic failure**.

However, the **cost of installation, potential DIY challenges, and need for fluid changes** make it a **moderate to high-cost repair**. If the transmission shows **severe wear (grinding, leaks, multiple DTCs)**, a **full inspection** may be necessary before committing.

### **Recommendation**

1. **Verify Symptoms** Confirm that the issue is **TVB-related** (not solenoids, clutches, or wiring). A **scan tool** can help identify the exact fault codes.

2. **Get Multiple Quotes** Compare prices from **BMW specialists, transmission shops, and independent mechanics** to ensure fair labor costs.

3. **Consider Aftermarket Alternatives** If budget is tight, **Dorman or ACDelco valve bodies** (with proper fitment) can be a cost-effective option, though Bosch is the safest choice.

4. **DIY vs. Professional Installation** If comfortable with **transmission work**, DIY installation is possible but **risky without experience**. If unsure, **hire a specialist** to avoid costly mistakes.

5. **Change Transmission Fluid & Filter** Always **flush the old fluid** and replace the filter during installation to maximize the new TVB s lifespan.

6. **Monitor Post-Installation** After replacement, **check for leaks, proper shifting, and warning lights**. If issues persist, a **full transmission diagnostic** may be needed.

**Final Verdict:** **Worth the investment** if the transmission is otherwise healthy. **Avoid delaying** a failing TVB can lead to **expensive transmission failure**. If the vehicle has **high mileage or severe symptoms**, consider a **full transmission inspection** before purchasing.

Details:

Make sure the provided part numbers and photos match with your old Left Driver Side / Right Passenger. Came off of 2008 BMW 335I E93 Convertible. 167 Make sure the provided part numbers from photos match.

It takes only 5 minutes and totally free. Any known defects are pointed in the photos and items. Wash hands after Handling. Shipping only within the US States and Territories.

See photos for details to ensure proper fitment your vehicle. Make sure the part number matches your vehicle. Larger and heavier items are shipped only to the lower 48 / Continental States.

part #: 0260550027 prices

• $319.99-$349.00

specifications autotransmissionsgo:

• for models: 335i, E90, E92, E93
• for makes: Bmw
• for years: 2007-2013
• brand: Bmw Bosch
• mpn: 0260550027
• type: Rwd
• seller warranty: Yes
• oe/oem part number: 6058007084, 6058 007 084, 3052363, 1068327210, 1068 327 210, A063, A 063, 1068427237, 1068 427 237
• fitment type: Direct Replacement

payments autotransmissionsgo:

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

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

shipping autotransmissionsgo:

• transit: 3-7 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• cost: $28.42
• class: Standard
• carrier: FedEx

offer autotransmissionsgo:

• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• started: March 23, 2026
• quantity: 1

seller autotransmissionsgo:

• rating: 100.0%
• # reviews: 7055
• city: Clearwater, Florida

returns autotransmissionsgo:

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

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