1. Steering Racks & Gear Boxes For Sale
  2. sku: 17924293006127772
  3. BMW 32-10-5-B78-072

BMW 32-10-5-B78-072 Power Steering Gear Rack Pinion 551.BM1J24

fits model: 740i. make: Bmw. year: 2023–2025.

32-10-5-b78-072 Bmw 2023 2024 2025 740i Power Steering Gear Rack And Pinion Oem

( Manufacturer Part Number: 32-10-5-B78-072 ), ( Conditions Options: Power Rack Pinion ), ( Genuine Oem: Yes ), ( Ipn: 551.bm1j24 ), ( Year: 2024 ), ( Descriptionpartcondition: Power Steering Gear Rack And Pinion Will Have Inner And Outer T ), ( Manufacturer Warranty: 6 Month ), ( Type: Power Steering Gear Rack And Pinion )

Review BMW Power Steering Gear Rack And Pinion Oem fits 740I 2023–2025

The **BMW 32-10-5-B78-072 (2023, 2024, 2025) 740i Power Steering Gear Rack and Pinion Assembly** represents a critical high-performance component engineered for the latest generation of BMW s iconic 7 Series, specifically tailored for the **B78 chassis** models equipped with the **S63 V8 twin-turbo engine**. This precision-crafted steering system is designed to deliver an unparalleled blend of responsiveness, durability, and driving dynamics, ensuring seamless operation even under the most demanding conditions. The rack and pinion assembly features a **high-strength, corrosion-resistant design**, incorporating advanced materials such as **galvanized steel and zinc-nickel plating** to withstand the rigors of daily driving, aggressive off-road use, or high-performance track applications. The **serpentine rack geometry** enhances steering feel and reduces play, providing the driver with immediate feedback and a more engaging connection to the road, a hallmark of BMW s legendary driving experience.

At the core of this component is a **ball-screw mechanism** that ensures smooth, linear motion with minimal friction, contributing to the 740i s signature **precise and weightless steering** a defining characteristic of BMW s engineering philosophy. The pinion, machined from **high-grade alloy steel**, is precision-ground to exacting tolerances, ensuring optimal engagement with the rack teeth and reducing the risk of premature wear or binding. Additionally, the assembly is engineered to accommodate the **enhanced torque output** of the S63 engine, which can reach up to **700 Nm (516 lb-ft)**, by incorporating reinforced bushings and optimized lubrication pathways. This not only extends the lifespan of the steering components but also maintains consistent performance across a wide range of speeds and driving conditions.

For enthusiasts and fleet operators alike, this **OEM-quality replacement part** offers a direct upgrade path for vehicles experiencing wear or damage, ensuring compatibility with the **2023, 2024, and 2025 model years** of the BMW 740i without the need for additional modifications. The rack and pinion assembly is fully compatible with the **N20/N21 steering column systems** found in these models, integrating seamlessly with the **electric power steering (EPS) unit** to provide the expected level of assistance and responsiveness. Whether restoring a high-mileage vehicle to like-new condition or upgrading a performance-oriented 7 Series for track use, this component delivers the **reliability and performance** expected from BMW s engineering legacy. Built to meet or exceed the stringent quality standards of the original equipment manufacturer, it is an ideal choice for those seeking a **direct-fit, high-performance solution** that enhances both the functionality and the driving experience of their BMW 740i.

### **Pros and Cons of Buying a BMW 320i (G20) with a Faulty Power Steering Gear Rack/Pinion (2023 2025 Models)**

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

The BMW 320i (G20) is a mid-size sedan in the 3 Series lineup, offering a balance of performance, luxury, and technology. However, like many modern BMWs, it relies heavily on electronic systems, including the power steering rack and pinion, which can be prone to failure.

---

### **Pros of Owning a BMW 320i (G20)**

1. **Performance and Driving Dynamics**

- The 320i comes with a **2.0L turbocharged inline-4 engine** (B58) producing around **255 hp**, paired with an **8-speed Steptronic automatic transmission**, delivering smooth acceleration and responsive handling.

- The **N20i variant** (with xDrive) offers AWD, improving traction in adverse conditions.

- The **M Sport package** enhances suspension tuning, steering feel, and exhaust notes, making it more engaging for enthusiasts.

2. **Luxury and Interior Quality**

- The cabin is well-crafted with high-quality materials, ergonomic seating, and a **large infotainment screen** (iDrive 8 or 9, depending on the year).

- **Comfortable ride** with adaptive damping (optional) and noise insulation, making it suitable for both city and highway driving.

- **Premium features** such as ventilated seats, heated steering wheel, ambient lighting, and wireless Apple CarPlay/Android Auto are standard or available.

3. **Technology and Connectivity**

- **Advanced driver-assistance systems (ADAS)** like **BMW Driving Assistant Professional** (optional) include adaptive cruise control, lane-keeping assist, and automatic emergency braking.

- **Digital cockpit** with customizable displays and **head-up display (HUD)** for key driving information.

- **Remote start, keyless entry, and push-button ignition** enhance convenience.

4. **Resale Value and Brand Prestige**

- BMWs hold their value relatively well, especially well-maintained examples.

- The **3 Series is one of BMW s most popular models**, ensuring a strong used market if sold later.

5. **Fuel Efficiency (Compared to V8 Models)**

- The **B58 engine** is more efficient than the older N55 (used in some 330i models), with **MPG figures around 20 25 city / 28 32 highway** (varies by transmission and driving style).

- Hybrid options (like the **340e**) are even more efficient but not part of the 320i lineup.

---

### **Cons of Owning a BMW 320i (G20) with a Faulty Power Steering Rack/Pinion**

1. **Power Steering Rack/Pinion Failure (Common Issue)**

- **Symptoms:** Grinding noise when turning, stiff steering, fluid leaks, or complete loss of assist.

- **Cause:** The **electric power steering (EPS) system** in the G20 3 Series has been plagued by **rack and pinion failures**, often due to **poor sealing, contamination, or manufacturing defects**.

- **Repair Cost:** Replacing the rack/pinion can cost **$1,200 $2,500 **, depending on labor and whether OEM or aftermarket parts are used.

- **Warranty Coverage:** If the issue occurs within **4 years/50,000 miles**, BMW may cover it under **extended warranty or recall programs** (check with a dealer).

- **Recurrence Risk:** Some owners report **repeated failures**, suggesting a systemic issue rather than a one-time fix.

2. **High Maintenance and Repair Costs**

- BMWs are **expensive to maintain**, with **premium parts, specialized labor, and frequent service intervals** (e.g., **every 10,000 15,000 miles** for fluid changes).

- **Common high-cost repairs:**

- **Suspension components** (struts, bushings, control arms)

- **Turbocharger failures** (if the B58 engine is pushed hard)

- **Transmission issues** (some reports of Steptronic glitches)

- **Electrical gremlins** (sensor failures, infotainment lag)

3. **Software and Infotainment Issues**

- **iDrive system** can be **slow, glitchy, or unresponsive**, especially in older software versions.

- **Bluetooth connectivity problems** and **app lag** are frequent complaints.

- **Recalls and updates** may require dealer visits, adding inconvenience.

4. **Depreciation and Long-Term Costs**

- While BMWs hold value better than some competitors, **ownership costs add up quickly**.

- **Insurance premiums** are higher due to repair costs.

- **Fuel costs** (though better than V8 models) are still significant compared to hybrids or electric vehicles.

5. **Reliability Concerns (Compared to Competitors)**

- The **B58 engine** is generally reliable but **not as bulletproof as some rivals** (e.g., Toyota Camry s 2.5L engine).

- **Electrical and software issues** are more common in BMWs than in Japanese or German rivals like **Audi A4, Mercedes C-Class, or Lexus ES**.

- **Recall history** for the G20 3 Series includes **power steering, brake, and transmission issues**, indicating potential long-term problems.

---

### **Key Considerations Before Buying**

1. **Power Steering Rack/Pinion Condition**

- **Get a pre-purchase inspection (PPI)** from a **BMW specialist** to confirm the rack s health.

- **Ask for service records** if the rack has been replaced recently, ensure it was done with **OEM parts and proper sealing**.

- **Test drive in both directions** listen for **grinding or stiffness**, which may indicate wear.

2. **Warranty and Recall Status**

- Check if the **vehicle is under warranty** (BMW offers **4-year/50,000-mile basic warranty**, extendable to **10 years/100,000 miles** for powertrain).

- Verify if **any recalls** (especially for power steering) have been addressed.

3. **Budget for Repairs**

- **Factor in at least $1,500 $3,000** for potential rack replacement in the first few years.

- **Expect higher maintenance costs** than a Toyota or Honda, but lower than a luxury brand like Mercedes or Audi.

4. **Alternative Options**

- If reliability is a priority, consider:

- **BMW 330i (N55 engine)** more torque, but slightly older tech.

- **Audi A4 (2.0T or 2.9T)** similar performance, often more reliable.

- **Lexus ES 350** luxury, reliability, and lower ownership costs.

- **Hybrid options (BMW 340e or Lexus ES 300h)** better fuel efficiency and longevity.

---

### **Final Recommendation**

#### **Buy If:**

You **prioritize driving enjoyment and luxury** over absolute reliability.

You **find a well-documented example** with a **recently replaced or new rack/pinion** (preferably under warranty).

You **have the budget** to cover **potential repairs** (especially in the first 50,000 miles).

You **plan to keep the car for 5 years**, allowing time for warranty coverage.

You **prefer BMW s driving dynamics** over competitors like Audi or Lexus.

#### **Avoid If:**

You **cannot afford unexpected repairs** (BMW ownership is **not cheap**).

You **find a car with obvious power steering issues** (grinding, leaks, or stiff steering).

You **prioritize reliability over brand prestige** (a Lexus or Toyota would be a smarter long-term choice).

You **cannot access BMW dealership service** (aftermarket repairs may not be as reliable).

#### **Best Approach:**

- **Buy from a reputable dealer or private seller with full service history.**

- **Get a PPI from a BMW specialist** to confirm the rack s condition.

- **Negotiate a lower price** if the rack has been replaced recently.

- **Budget for future maintenance** BMW is a **luxury car, not a no-maintenance vehicle**.

#### **Final Verdict:**

The **BMW 320i (G20) is a fantastic car for those who love BMW s driving experience and don t mind higher ownership costs**. However, the **power steering rack issue is a significant drawback**, especially in early models. If you **find a well-maintained example with a sound rack and warranty coverage**, it can be a great purchase. If not, **consider alternatives** that offer better long-term reliability.

Would you like recommendations on specific trims or alternatives based on your budget?

Details:

Qualifications of Installer: Only a Certified ASE Mechanic or an automotive technician licensed by recognized state national authority may perform the installation. TESTED AND 6 MONTH WARRANTEED. POWER RACK PINION 32-10-5-B78-072. Proof of certification or licensing must be documented and available upon request.

part #: 32105b78072 price

  • $1350.00

specifications steragebo:

  • for models: 740i
  • for makes: Bmw
  • for years: 2023-2025
  • mpn: 32-10-5-b78-072
  • conditions options: Power Rack Pinion
  • genuine oem: Yes
  • ipn: 551.bm1j24
  • year: 2024
  • descriptionpartcondition: Power Steering Gear Rack And Pinion Will Have Inner And Outer T
  • manufacturer warranty: 6 Month
  • type: Power Steering Gear Rack And Pinion

seller steragebo:

  • city: Rancho Cordova, California
  • # reviews: 3685
  • rating: 99.8%

returns steragebo:

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

offer steragebo:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: February 12, 2026
  • best offers: True

shipping steragebo:

  • class: Standard
  • type: Fixed
  • service: UPS Ground
  • transit: 5-8 Days
  • cost: $0.00
  • carrier: UPS

general steragebo:

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

payments steragebo:

  • wallet: Paypal
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for models: 740i, for makes: bmw, for years: 2023-2025, conditions options: power rack pinion, genuine oem: yes, year: 2024, descriptionpartcondition: power steering gear rack and pinion will have inner and outer t, manufacturer warranty: 6 month, type: power steering gear rack and pinion,
manufacturer: bmw, category: auto parts > car truck parts accessories > steering suspension > gearboxes, rack pinions, sku: 17924293006127772,
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1 offer $1350.00 USD
  • Used. Offer #1 priced at $1350.00 + $0.00 shipping estimate = $1350.00* total. POWER RACK PINION . -ALL PARTS ADVERTISED ARE DESIGNED FOR USA MARKET LEFT HAND DRIVER VEHICLES.FREE SHIPPING

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