BMW 678897205 Power Steering Gear Rack Pinion X5M X6M

( Manufacturer Part Number: 678897205 ), ( Type: Rack Pinion ), ( Country Of Origin: Germany )

Review BMW X5m X6m Power Steering Gear Rack And Pinion Oem fits E70 E71 2010–2014

The **BMW E70 (X5) and E71 (X6) Power Steering Gear Rack and Pinion Assembly (Part Number: 678897205, Compatible with Models from 2010 2014)** represents a critical component of the vehicle s steering system, designed to deliver precision, responsiveness, and durability under demanding conditions. This high-performance rack-and-pinion assembly is engineered to work seamlessly with BMW s advanced hydraulic or electric power steering (EPS) systems, depending on the specific model variant, ensuring effortless maneuverability while maintaining the iconic German engineering hallmark of refined handling. The rack itself is constructed from precision-machined aluminum or steel, optimized for lightweight strength and resistance to wear, while the pinion gear integrated with the steering column drives the rack s linear motion with minimal friction, allowing for smooth, direct feedback to the driver. This assembly is specifically tailored for the **E70 (X5) and E71 (X6)** platforms, which were produced between **2010 and 2014**, covering both the **X5M (high-performance variant)** and **X6M** models, which demand enhanced steering rigidity and performance. The power steering gear is designed to interface with BMW s **N20/N52/N54 engine configurations**, ensuring compatibility with the vehicle s hydraulic or electric power steering actuators, depending on the trim level. Whether installed in a **3.0L inline-six, 4.4L V8, or 4.8L V10** variant, this rack-and-pinion assembly is engineered to withstand the stresses of aggressive driving, off-road excursions, or daily commuting, providing consistent performance even after prolonged use. The assembly features sealed bearings and precision-cut teeth to minimize backlash, ensuring accurate steering response and reducing the risk of premature wear. For enthusiasts and professionals alike, this part is a direct-fit replacement, designed to restore the original steering feel and reliability, whether replacing a worn-out original component or upgrading an aftermarket setup. Its compatibility with **OEM specifications** ensures seamless integration with the vehicle s steering column, tie rods, and suspension geometry, making it an essential component for maintaining the **X5M and X6M s** legendary driving dynamics.

### **Pros and Cons of Buying a 2010 2014 BMW X5M / X6M (E70/E71) with a Power Steering Gear Rack, Pinion, or Related Issue**

#### **Pros**

1. **Performance and Driving Dynamics**

The X5M and X6M (E70/E71) are among the most capable BMWs of their era, offering a balanced blend of power, handling, and luxury. The M-performance tuning including a stiffer suspension, upgraded brakes, and a more aggressive exhaust delivers a sportier, more engaging driving experience compared to standard X5/X6 models. The twin-turbo inline-6 (N63) engine in later models (2012 ) provides strong acceleration (0-60 mph in 5 seconds) and a deep, linear powerband.

2. **Luxury and Comfort**

The E70/E71 platform remains spacious and refined, with high-quality materials, a comfortable ride (especially in non-M models), and a well-appointed interior. The M versions retain much of this luxury while adding sport-tuned features like a sport steering wheel, M-specific seats, and a more aggressive stance.

3. **Resale Value and Prestige**

BMW M models, even from this era, hold their value relatively well due to their reputation for performance and exclusivity. The X5M/X6M is particularly sought after by enthusiasts, which can be an advantage if you plan to sell later.

4. **Reliability of the Core Components**

The N63 engine (in 2012 models) is robust, especially with proper maintenance. The earlier N57 (2010 2011) is less refined but still capable if well-maintained. The E70/E71 platform is generally sturdy, with fewer major reliability issues compared to some contemporaries.

5. **Aftermarket Support**

The X5M/X6M has a strong aftermarket following, with availability of performance parts (e.g., exhausts, suspension upgrades), tuning options, and M-specific accessories. This makes modifications and upgrades relatively accessible.

6. **Versatility**

The X5M/X6M is a true SUV, offering the space and practicality of an SUV with the performance of a sports sedan. It s well-suited for both daily driving and weekend track use.

---

#### **Cons**

1. **Power Steering Gear Rack and Pinion Issues**

- **Whining or grinding noises** (especially at low speeds or when turning).

- **Stiff or unresponsive steering**, particularly in tight maneuvers.

- **Leaking power steering fluid**, which can lead to complete failure.

The gear rack is a common failure point due to wear, poor lubrication, or manufacturing defects in some units. Replacement is expensive ( $1,500 $3,000 installed) and may require additional work if fluid lines or mounts are damaged.

2. **Engine Reliability (N57 and N63)**

- **N57 (2010 2011):** Prone to **carbon buildup**, **oil consumption**, and **timing chain stretch**. Regular valve cleaning and oil changes are essential. Some owners report **oil leaks** from the valve cover gasket or oil filter housing.

- **N63 (2012 ):** More refined but still requires attention to **oil changes** (BMW recommends synthetic oil changes every 10,000 15,000 miles). **Turbocharger failures** and **exhaust manifold cracks** can occur if maintenance is neglected. The **cooling system** (especially the oil cooler) is critical failure here can lead to catastrophic engine damage.

3. **Transmission Issues**

- The **6HP21 automatic transmission** (standard in these models) is generally reliable but can develop **slippage**, **rough shifting**, or **fluid leaks** over time. Some owners report **solenoid failures**, which may require a rebuild ( $3,000 $4,000).

- Manual transmissions (less common in M models) are less problematic but still require regular maintenance.

4. **Suspension and Wear Items**

- **Shocks and struts** wear out quickly, especially on aggressive drivers. The M-suspension is stiffer, so components like **control arms**, **ball joints**, and **sway bars** may need replacement sooner than in standard X5/X6 models.

- **Brake systems** (especially the rear) can be noisy or require frequent pad/replacement due to the M-tuned setup.

5. **Electrical Gremlins**

- **Faulty sensors** (e.g., MPD sensor, wheel speed sensors).

- **Infotainment glitches** (iDrive can be finicky).

- **Intermittent power windows or locks**.

These are often fixable but can be frustrating to diagnose.

6. **Maintenance Costs**

- **Regular oil changes** (synthetic, high-quality oil is recommended).

- **Timing belt/chain service** (every 60,000 100,000 miles for N57/N63).

- **Cooling system flushes** (critical for turbocharged engines).

- **Brake upgrades** (M models benefit from performance brakes).

- **Exhaust upgrades** (to reduce backpressure and improve performance).

7. **Depreciation**

While M models hold value better than standard BMWs, they still depreciate significantly. A 2010 2014 X5M/X6M will not retain the value of a newer or luxury model.

8. **Noise and Vibration**

The M-tuned suspension and exhaust can make the cabin **noisier** than a standard X5/X6. Wind and road noise are more noticeable, and the exhaust note (while satisfying) can be intrusive in quiet environments.

9. **Limited Modern Tech**

The E70/E71 lacks modern safety features like **standard adaptive cruise control**, **advanced driver-assistance systems**, or **Apple CarPlay/Android Auto**. While not a dealbreaker, it may feel outdated compared to newer SUVs.

10. **Parts and Labor Costs**

- **OEM parts** are expensive, and aftermarket alternatives may not always be reliable.

- **Labor costs** at BMW dealerships are high, though independent shops can offer better rates.

---

### **Ending Conclusion**

The **2010 2014 BMW X5M/X6M (E70/E71)** is a **fantastic choice for enthusiasts** who prioritize performance, driving dynamics, and luxury in an SUV format. It delivers **strong power**, **engaging handling**, and **M-tuned refinement**, making it one of the best BMWs of its era for those who want more than a standard X5/X6.

However, **buying one with power steering gear rack or pinion issues** (or any known major problems) requires careful consideration. The **steering rack is a critical weak point**, and if it s already failing, the repair cost can be prohibitive. Other **engine, transmission, and suspension components** also demand attention, increasing long-term ownership costs.

- **Get a pre-purchase inspection** focused on the **steering rack**, **engine condition**, **transmission**, and **cooling system**.

- **Verify maintenance history** especially oil changes, timing service, and brake work.

- **Budget for potential repairs** (gear rack, turbochargers, suspension).

- **Consider a lower-mileage example** (under 60,000 miles) if possible, as wear items will be less advanced.

**If you re an experienced BMW owner** who can handle maintenance and repairs, the X5M/X6M is an **excellent project** with huge rewards. For **casual buyers or those new to BMWs**, the **upfront and ongoing costs** may outweigh the enjoyment unless you re prepared for a **hands-on ownership experience**.

### **Final Recommendation**

- You **prioritize performance and driving fun** over daily convenience.

- You re **prepared for maintenance costs** and can budget for potential repairs (especially the steering rack).

- You find a **well-documented example** with a **clean service history** and **no major known issues**.

- You plan to **modify or upgrade** the vehicle (e.g., exhaust, suspension, brakes) to extend its lifespan.

- You **cannot afford unexpected repairs** (e.g., gear rack, turbo, transmission).

- You **prefer a more modern, low-maintenance SUV** with fewer quirks.

- The **steering rack or other major components** are already failing or have been neglected.

- You **don t enjoy working on cars** and want a plug-and-play luxury vehicle.

- If the **steering rack is a dealbreaker**, look for an **X5/X

Details:

Please match up part number to make sure its the same. Tested and in good condition. You are buying on a genuine factory 10-14 BMW X5M / X6M power steering rack pinion assembly. DONOR CAR: 2013 BMW X5M, PART NUMBER: 678897205, condition: Good used condition, please ZOOM in and review all photos detail prior to buying.

Please ZOOM in and review all photos please match part number prior to purchase.

part #: 678897205 prices

• $25.00-$325.38

specifications steragebo:

• for models: E70, E71
• for makes: Bmw
• for years: 2010-2014
• mpn: 678897205
• type: Rack Pinion
• country of origin: Germany

general steragebo:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions

returns steragebo:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

offer steragebo:

• options: Ship-to-home
• availability: In Stock
• started: April 8, 2026
• quantity: 1
• sold: 0

shipping steragebo:

• transit: 7-17 Days
• cost: $225.00
• service: Economy
• class: Economy
• type: Fixed

seller steragebo:

• # reviews: 476
• rating: 98.8%
• city: Blaine, Washington

payments steragebo:

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

Bmw 678897205 Is Similar To:

• 3722 6753862 197716721lkq Bmw Air Suspension Compressor Pump Oem Miles (21.3% similar) ...(October 19th, 2018)
• 01685539 Bmw Steering Rack Servotronic Converter (34.6% similar) And my pictures...(July 18th, 2018)
• 1 094 265.9 Bmw Telescoping Steering Column Ignition Switch Key (32.4% similar) 98-03 bmw 5 series E39 525I 530I telescoping steering column bar ignition switch off a 2001 sedan with automatic transmission in good working condition...(April 3rd, 2018)
• 1092031 Bmw Steering Rack Pinion Miles (44.4% similar) Please view all photos. 9 z3 with only 42K miles on it. This assembly is in good used condition...(September 25th, 2018)
• 1095189 1 095 189 8074 955 303 8074955303 Bmw Steering Rack And Pinion Hydraulic Gear Box (35.7% similar) This part is in good working condition. For sale is a steering gear box. Good condition part number: fits: bmw 540I please match the numbers with your car to ensure it will fit in. May be a little dusty from storage use and have few minor scratches. Please review all picture and read carefully...(August 7th, 2018)
• 1096907 Zf Bmw Oem Blue Label Power Steering Rack Hydro Gear (46% similar) Oem E46 blue label steering rack in great working condition. This will fit any bmw on the list below, link for exact years...(February 28th, 2018)
• 12527543313 Bmw Genuine Engine Electrical System Steering Socket Housing (33.1% similar) This is how I make my living and take career seriously. Check us out. Items shipped outside of the USA are considered delivered once they leave USA post office system. Pm auto is known for its sincere desire to offer an honest , good price, and follow through with instant shipping...(April 20th, 2018)
• 15-30023on Oem Oes For Bmw New Convertible Top Motor (13.7% similar) ...(January 29th, 2019)
• 206232 Bmw Steering Rack (33% similar) ...(October 25th, 2018)
• 220-105-4435 Bmw Steering Column Linkage Lower (27.2% similar) Ask all questions prior to buying. We'll create a offer for that item if you're looking for other parts and have them in inventory. This steering column linkage w lower u-joint came off from a 2004 bmw 530I...(September 25th, 2018)
• 2201054521 Bmw Steering Shaft Joint Intermediate Arm Oem Used (40% similar) Local delivery and pickup options are also available...(March 9th, 2018)