BMW 7598950 Hybrid Lwb Wheel Base Rear Drive Line Shaft 431-50717 F04

( Manufacturer Part Number: 7598950 ), ( Part Type: Line Wheel Drive Shaft ), ( Donor Year: 2011 ), ( Donor Model: 7 Series ), ( Ipn: 431-50717 ), ( Miles: 72, 203 ), ( Tag: V51906 )

Review BMW Active Hybrid F04 Lwb Long Wheel Base Rear Drive Line Shaft fits 2012

The **BMW 7598950 Rear Drive Line Shaft (2012 2012 F04 LWB Hybrid)** is a precision-engineered, high-performance drivetrain component designed exclusively for BMW s **7 Series F04 Long Wheelbase (LWB) models** equipped with the **iDrive Hybrid system**. This critical shaft is part of the rear axle drive assembly, transmitting torque from the hybrid powertrain comprising the **N55 inline-6 engine paired with an electric motor** to the rear wheels via the multi-link suspension and differential. Crafted from **high-strength alloy steel**, the shaft is heat-treated and dynamically balanced to ensure optimal durability, smooth operation, and resistance to torsional stress under the demanding conditions of hybrid propulsion. Its **splined connection** at both ends ensures a secure and precise fit within the **rear axle carrier and differential housing**, minimizing vibration and maximizing power transfer efficiency. The design incorporates **sealed bearings and robust protective coatings** to guard against contamination, moisture, and wear, making it ideal for both urban and highway driving scenarios. This component is essential for maintaining the **F04 LWB s signature balance of luxury, performance, and hybrid efficiency**, ensuring seamless integration between the internal combustion engine and electric motor while upholding BMW s reputation for engineering excellence. Whether for a restoration, replacement, or performance upgrade, this drive line shaft is a **direct-fit, OEM-quality solution** that restores factory-level reliability and driving dynamics.

### **Pros and Cons of Buying a 2012 BMW 7 Series (F04 LWB) with Hybrid Powertrain (7598950) Rear Drive Line & Wheelbase Considerations**

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

The **2012 BMW 7 Series (F04 LWB)** with the **hybrid powertrain (7598950)** is a rare and high-end variant of the iconic BMW 7 Series. This model combines a **rear-wheel-drive (RWD) layout with a hybrid system**, featuring an **electric motor and a gasoline engine** (likely a **N55 3.0L twin-turbo inline-6**). The **LWB (Long Wheelbase)** version offers more rear legroom and a more spacious cabin compared to the standard wheelbase. The **rear drive line and wheelbase** are key differentiators, influencing handling, comfort, and practicality.

---

### **Pros**

1. **Hybrid Efficiency & Performance**

- The hybrid system provides **better fuel economy** than a pure gasoline engine, particularly in city driving and stop-and-go traffic.

- The **electric motor assists acceleration**, improving responsiveness without sacrificing the RWD driving dynamics that BMW enthusiasts value.

- **Lower emissions** compared to a non-hybrid model, which may be beneficial in regions with strict environmental regulations.

2. **RWD Driving Dynamics**

- The **rear-wheel-drive layout** delivers **engaging, sporty handling** that is characteristic of BMW s luxury sedans.

- The **twin-turbo N55 engine** (in most cases) provides **strong power delivery** (around **300-350 hp** depending on tuning), making it more engaging than a standard 7 Series.

- **Better weight distribution** (compared to AWD) improves rear traction and cornering feel.

3. **Long Wheelbase (LWB) Practicality**

- The **extended wheelbase** offers **more rear legroom** (up to **42.5 inches** in some trims), making it more comfortable for taller passengers.

- **Smoother ride quality** due to the longer track, reducing body roll in corners.

- **More spacious rear seats** compared to the standard wheelbase, though still not as large as a stretch BMW.

4. **Luxury & Build Quality**

- The **F04 7 Series** is known for its **high-quality materials, refined interior, and premium craftsmanship**.

- **Advanced infotainment (iDrive 6)** with **navigation, Bluetooth, and optional hard drive media**.

- **Comfortable seating** with **adjustable lumbar support and heated/ventilated options**.

5. **Rarity & Prestige**

- The **hybrid variant is extremely rare**, making it a **collector s item** with strong resale potential.

- Owning a **high-performance BMW 7 Series with hybrid tech** adds exclusivity.

6. **Potential for Modifications & Tuning**

- The **N55 engine** is well-supported by the aftermarket, allowing for **power upgrades, exhaust modifications, and suspension tuning**.

- The **hybrid system** can sometimes be **disabled or modified** (though this may void warranties and affect reliability).

---

### **Cons**

1. **Hybrid System Complexity & Reliability Risks**

- **Hybrid systems have more moving parts** (battery, electric motor, power electronics) than a conventional engine, increasing **potential failure points**.

- **Battery degradation** over time lithium-ion batteries in older hybrids (pre-2015) may **lose capacity** and require replacement (costly, often **$3,000 $6,000**).

- **Electric motor and transmission** (if integrated) can be **expensive to repair** if they fail.

- **Less proven long-term reliability** compared to BMW s traditional V8 or V12 engines.

2. **Higher Maintenance & Repair Costs**

- **BMW s luxury status** means **expensive parts and labor** expect **$100 $150/hour** for repairs.

- **Twin-turbo N55 engines** are prone to **carbon buildup, oil consumption, and turbo failures** if not maintained properly.

- **Hybrid-specific diagnostics** require **specialized BMW dealers or hybrid specialists**, adding to costs.

3. **RWD vs. AWD Trade-offs**

- **No all-wheel drive (AWD)** means **worse traction in snow, rain, or off-road conditions** compared to AWD variants.

- **Less stability in adverse weather** while RWD is fun, it can feel **less secure in slippery conditions**.

- **Less resale value** than AWD models, which are more practical for daily driving in harsh climates.

4. **Fuel Economy Trade-offs**

- While the hybrid **improves city fuel economy**, **highway efficiency may not be as good as a diesel or plug-in hybrid**.

- **Gasoline hybrids still consume more fuel than a diesel 7 Series** (if available in your market).

- **Electric-only range is limited** (likely **1 2 miles**), so it s not a true plug-in hybrid.

5. **Depreciation & Market Value**

- **BMW 7 Series (especially hybrids) depreciate quickly** even a well-maintained 2012 model will have **low resale value**.

- **Rarity does not always translate to high demand** most buyers prefer **AWD or V8 variants** for practicality.

- **Hybrid-specific parts may become harder to find** as BMW phases out hybrid tech in newer models.

6. **Potential Modification Limitations**

- **Disabling the hybrid system** (to run purely on the gasoline engine) is **not officially supported** and may **void warranties**.

- **Battery removal can be complex** some owners opt to **keep it installed** for safety and warranty reasons.

- **Not all performance mods are compatible** some aftermarket parts may interfere with the hybrid system.

7. **Ride & Handling Trade-offs**

- While the **LWB improves comfort**, it can make the car feel **less nimble** than the standard wheelbase.

- **RWD bias means less stability at high speeds** compared to AWD models.

- **Suspension tuning is critical** stock settings may feel **too soft or too firm** for some drivers.

8. **Electric Motor Noise & Vibration**

- Some owners report **unusual noises from the electric motor** (whining, humming) under certain conditions.

- **Vibration through the pedals** can be noticeable at certain RPMs.

---

### **Key Considerations Before Purchase**

1. **Hybrid Battery Health**

- **Check the battery s state of charge (SOC)** a full charge should hold ** 80-90%** of original capacity.

- **Look for signs of swelling, leaks, or corrosion** a failing battery can be **dangerous and expensive**.

- **Get a hybrid specialist to test the system** some dealerships offer **diagnostic scans** for hybrid components.

2. **Maintenance & Service History**

- **Ensure all hybrid-specific services (battery checks, motor diagnostics) have been done**.

- **Check for oil changes, turbo inspections, and carbon cleaning** (critical for N55 engines).

- **Avoid cars with "hybrid mode disabled"** this can lead to **engine stress and reduced efficiency**.

3. **Budget for Potential Repairs**

- **Set aside $5,000 $10,000 for unexpected repairs** (battery, motor, transmission, engine).

- **BMW s warranty may not cover hybrid components** check for **extended warranties or service contracts**.

4. **Driving Needs & Climate**

- If you **live in a snowy region**, an **AWD model would be more practical**.

- If you **mostly drive in the city**, the hybrid s efficiency is beneficial.

- If you **prioritize driving dynamics**, the RWD layout is ideal.

5. **Resale & Long-Term Value**

- **Hybrid 7 Series are niche** finding buyers may be **harder than for AWD or V8 models**.

- **Consider keeping it for personal use** rather than expecting high resale value.

---

### **Conclusion & Recommendation**

#### **Who Should Buy This Car?**

**BMW enthusiasts who prioritize driving dynamics** over pure practicality.

**Owners who want a rare, high-performance hybrid luxury sedan** with RWD engagement.

**Those who can afford the maintenance costs** and are prepared for potential hybrid issues.

**Drivers in mild climates** where AWD is not a necessity.

**Collectors or investors** who see long-term value in a rare BMW variant.

#### **Who Should Avoid This Car?**

**Budget-conscious buyers** high maintenance costs make this an expensive luxury.

**Those who need AWD for safety in harsh weather**.

**People who dislike complexity** hybrid systems require more attention than conventional engines.

**Daily drivers in urban areas with poor charging infrastructure** (though

Details:

We subscribe to fitment software and include all relevant useful information in our listings whenever possible. Initial testing consists of starting the vehicle, running code scans, road if safe to do so, and completing an extensive inspection checklist. And cultural preferences income levels, family sizes, typical modes of transportation, etc. There may be normal signs of wear and tear present such as scratches, scuffs, dirt, etc.

Emissions standards, side of road vehicles drive on, etc. Weather patterns cold vs. On return this item. The more actions option. After items are removed and cleaned they inspected one final time before posting.

SHIPPING DEALS: Review our shipping details before you purchase. Left-Hand Drive Vehicles.: Item has been fully inspected and tested found to be in good working order. Made for USA Vehicles: All vehicles and parts are manufactured to be sold the market.

The pictures are the ACTUAL PICTURES OF THE ITEM FOR SALE.

part #: 7598950 prices

• $180.00-$204.10

specifications universajoin:

• for makes: Bmw
• for years: 2012
• mpn: 7598950
• part type: Line Wheel Drive Shaft
• donor year: 2011
• donor model: 7 Series
• ipn: 431-50717
• miles: 72, 203
• tag: V51906

seller universajoin:

• rating: 99.9%
• city: Oroville, California
• # reviews: 29471

payments universajoin:

• credit card: Discover
• wallet: Paypal
• other

offer universajoin:

• availability: In Stock
• started: March 30, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

returns universajoin:

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

shipping universajoin:

• transit: 3-8 Days
• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00

general universajoin:

• condition: Used
• Transmission Drivetrain > Driveshafts Parts > Driveshafts

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