BMW 24008638277 Xdrive Automatic Transmission Gearbox 228I 8HP-45

( Manufacturer Part Number: 24008638277 ), ( Part Type: Transmission )

Review BMW Xdrive Automatic Transmission Gearbox Oem fits F22 F10 528I 2015–2016

The **BMW 24008638277** is a high-performance, factory-direct transmission gearbox module designed exclusively for the **2015 2016 BMW F22 228i** and **F10 528i XDrive** models, featuring the **8HP45 eight-speed automatic transmission** with **ZF 8HP automatic transmission control unit (TCU)** integration. This transmission is a critical component of BMW s advanced **Steptronic** automatic system, engineered to deliver seamless, responsive shifting and optimal power delivery across the vehicle s diverse driving scenarios. Built to BMW s stringent quality standards, the **24008638277** incorporates a robust **torque converter** with a **multi-plate clutch system**, ensuring smooth acceleration and efficient torque conversion, even under heavy loads. The gearbox is paired with BMW s **XDrive all-wheel-drive system** in the **528i XDrive**, allowing for dynamic power distribution between the front and rear axles while maintaining precise control and stability. The **8HP45** architecture incorporates **direct-shift gear selection (DSG)** technology, minimizing shift times and enhancing driving comfort through progressive gear engagement. This transmission is compatible with BMW s **N63 V8 engine** in the **528i** and the **N55 inline-6** in the **228i**, providing the necessary durability and performance to handle the torque output of these powerplants. The **24008638277** is designed for **OEM-level replacement**, ensuring a perfect fit with the vehicle s existing drivetrain and control systems, including the **iDrive infotainment interface** and **DCC (Digital Motor Control Center)** integration. Whether installed in a **228i** for spirited driving or a **528i XDrive** for all-weather capability, this transmission module guarantees reliability, efficiency, and the refined driving experience BMW is renowned for. For professionals performing repairs or upgrades, this part is a direct, factory-approved solution that restores the vehicle s original performance characteristics while adhering to BMW s technical specifications.

### **Pros and Cons of Buying a 2015-2016 BMW F22 228i (or F10 528i XDrive) with an 8HP-45 Automatic Transmission**

#### **Pros**

1. **Strong Performance and Driving Dynamics**

- The **228i (F22)** features a **2.0L inline-4 turbocharged engine** (N20) producing **258 hp and 258 lb-ft of torque**, delivering responsive acceleration and engaging driving dynamics for a compact sedan.

- The **528i XDrive (F10)** offers a **3.0L inline-6 turbocharged engine (N55)** generating **300 hp and 300 lb-ft of torque**, providing stronger performance and better towing capability (up to **4,410 lbs** with the right setup).

- Both models benefit from **BMW s 8-speed automatic transmission (8HP-45)**, which offers smooth shifts, quick gear ratios, and efficient power delivery, especially in the 528i.

2. **XDrive All-Wheel Drive (528i Only)**

- The **XDrive system** in the 528i provides **adaptive all-wheel drive**, improving traction in wet or slippery conditions and enhancing stability in cornering. This is a significant advantage over rear-wheel-drive (RWD) models.

3. **Luxury and Comfort**

- Both models come with **high-quality materials, refined interiors, and BMW s signature driving position**, offering a premium feel.

- The **528i** has a more spacious cabin with better sound insulation and a quieter ride compared to the 228i.

- Features like **adaptive suspension, heated/ventilated seats, and advanced infotainment** (if equipped) enhance comfort.

4. **Reliability of the 8HP-45 Transmission**

- The **8HP-45 is one of BMW s most reliable automatic transmissions**, especially when properly maintained. It is known for smooth operation and durability compared to older 6-speed or 7-speed automatics.

- Common issues (like solenoid failures or fluid leaks) are manageable with regular servicing.

5. **Resale Value and Brand Prestige**

- BMWs hold their value well, and these models (especially the 528i) remain desirable in the used market.

- The **F22 228i** is a popular compact luxury sedan, while the **F10 528i** is a more versatile choice for those needing extra power and AWD.

6. **Aftermarket and Tuning Potential**

- Both models have a **strong aftermarket support**, allowing for upgrades like **performance exhausts, cold air intakes, and tuning** (e.g., MHD, JB4) to boost power.

- The **528i s N55 engine** is particularly tuner-friendly, with options to push it to **400 hp** with minor modifications.

7. **Safety Features**

- Both generations come with **standard safety tech** such as **stability control, multiple airbags, and advanced braking systems**.

- The **528i (F10)** may have **optional advanced driver-assistance systems (e.g., adaptive cruise, lane-keeping)** depending on the trim.

---

#### **Cons**

1. **Higher Maintenance Costs**

- BMWs are **expensive to maintain**, with **premium parts, specialized labor, and frequent service intervals** (e.g., valve adjustment every **60,000 100,000 miles** for the N20/N55 engines).

- **Transmission fluid changes** should be done every **60,000 miles** to prevent wear on the 8HP-45.

2. **Common Engine and Transmission Issues**

- **Carbon buildup** in intake valves (common in turbocharged BMWs) can reduce performance.

- **Oil consumption** is an issue in some units, requiring frequent top-ups.

- **Timing chain stretch** can occur over time, leading to **knocking noises** (though less severe than the N54).

- **Carbon buildup** is a major concern, often requiring **intake valve cleaning** every **60,000 80,000 miles**.

- **Oil leaks** from the **valve cover gasket or oil filter housing** are frequent.

- **Turbocharger failures** can occur if maintenance is neglected.

- While robust, **solenoid failures, rough shifts, or delayed engagement** can happen if fluid is not changed regularly.

- **Clutch wear** in the dual-clutch setup may require replacement ( $3,000 $5,000).

3. **Fuel Economy Concerns**

- The **228i** gets ** 22 25 MPG combined**, while the **528i** averages ** 18 22 MPG**, making them **less efficient** than modern hybrids or diesel alternatives.

- **Turbo lag** is noticeable in the N20 (228i) under light throttle, though the N55 (528i) handles it better.

4. **Depreciation and Insurance Costs**

- BMWs **depreciate faster** than many competitors, meaning you may not recover much resale value.

- **Insurance premiums** are typically **higher** due to repair costs and theft risk.

5. **Ride Quality and Comfort Trade-offs**

- The **F22 228i** has a **stiffer ride** compared to modern sedans, with more road noise and less isolation.

- The **F10 528i** is slightly better but still **not as smooth** as newer luxury cars with adaptive dampening.

6. **Electrical Gremlins**

- **Faulty sensors** (e.g., camshaft position, MAF).

- **Infotainment glitches** (if equipped with older iDrive systems).

- **Window regulators or seat motor failures**.

7. **Limited Cargo Space**

- The **F22 228i** has **less trunk space ( 12.9 cu. ft.)** compared to larger sedans or SUVs.

- The **F10 528i** is slightly better ( 15.7 cu. ft.) but still **not spacious** for large items.

8. **Potential for Hidden Damage**

- **Water damage** (common in older models).

- **Accident damage** (check for **frame misalignment or inconsistent paint jobs**).

- **Neglected maintenance** (e.g., **unserviced transmission, ignored carbon buildup**).

---

### **Ending Conclusion**

Buying a **2015-2016 BMW F22 228i or F10 528i with an 8HP-45 transmission** can be a **great choice** if you prioritize **performance, luxury, and driving enjoyment** while being prepared for **higher maintenance costs**. The **528i XDrive** is the better overall pick due to its **stronger engine, AWD capability, and more refined ride**, but both models require **diligent upkeep** to avoid costly repairs.

The **228i is a better value** for those who want a **compact, sporty sedan** without the extra cost of an inline-6, while the **528i is ideal for those needing more power, towing ability, and all-wheel drive**.

**Get a pre-purchase inspection (PPI)** from a **BMW specialist** to check for **engine, transmission, and electrical issues**.

**Verify maintenance records**, especially for **transmission fluid changes, valve adjustments, and carbon cleaning**.

**Budget for future repairs**, as BMWs are **not cheap to maintain**.

**Consider alternatives** (e.g., **Audi A4, Mercedes C-Class, or Lexus IS**) if maintenance costs are a major concern.

### **Final Recommendation**

- You need **AWD, stronger performance, and a more comfortable ride**.

- You are **willing to invest in maintenance** (oil changes, carbon cleaning, transmission service).

- You prefer **BMW s driving dynamics and luxury feel** over long-term cost savings.

- You want a **more affordable BMW** with **good performance in a compact package**.

- You **don t need AWD** and

Details:

This is a used original BMW part. Otherwise, there is no reason to believe the transmission will not function properly. ITEM: automatic transmission, 43k. Still not sure this part will fit your car.

Which side does this part fit?, Left Driver side, Right Passenger. The donor car would not run, so the transmission has been tested. The oil pan is undamaged. Guaranteed good working condition.

The housing has no rubbing or cracks, and all the mounting points are intact. There is no visible damage to the trans, and motion smooth quiet. Rarely, large or difficult to package items will take a day two longer. Details can be viewed in the photos.

2015 - 2016 BMW F22 228I F10 528I xDrive Automatic Transmission Gearbox OEM 8HP-45: STOCK #: 32628. The torque converter is included. Condition: This transmission was taken from a 2016 228I xDrive Coupe with 43k miles. Reference to driver/passenger side is for left hand drive cars, so RHD vehicles UK/Japan/Australia, etc. Please reverse the indicated.

See the photo below for illustration.

part #: 24008638277 prices

• $166.00-$598.50

specifications autotransmissionsgo:

• for models: F22, F10, 528i
• for makes: Bmw
• for years: 2015-2016
• mpn: 24008638277
• part type: Transmission

payments autotransmissionsgo:

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

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

offer autotransmissionsgo:

• started: May 21, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

general autotransmissionsgo:

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

seller autotransmissionsgo:

• rating: 99.8%
• # reviews: 21027
• city: Norristown, Pennsylvania

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