fits model: F10, F13, 535i, 640i. make: Bmw. year: 2011–2018.

( Manufacturer Part Number: 7849407 ), ( Country Of Origin: Germany ), ( Type: Steering Wheel Switches Button ), ( Manufacturer Warranty: 60 Days )
The **BMW 7849407** is a high-performance, premium steering wheel switch set designed exclusively for the **F06 (G12), F10 (E60/E61), and F13 (E90/E92/E93) 535i and 640i models** produced between **2011 and 2018**, including those equipped with the **M Sport package**. Crafted from durable, high-quality materials, these switches are engineered to deliver an unparalleled blend of functionality, ergonomics, and sporty aesthetics, elevating the driving experience for enthusiasts who demand precision and responsiveness.
This switch set features **metallic, textured buttons** with **clear, backlit indicators** for enhanced visibility and tactile feedback, ensuring seamless operation even in low-light conditions or during high-speed maneuvers. The **M Sport-inspired design** incorporates **distinctive, sport-tuned controls**, including **adjustable cruise control, lane-keeping assist, and adaptive headlight activation**, all integrated into a sleek, contoured layout that minimizes driver distraction while maximizing efficiency. The **steering wheel itself** is constructed from **premium materials**, often including **aluminum or carbon fiber accents**, depending on the specific model variant, providing a lightweight yet sturdy feel that complements the vehicle s sporty character.
Beyond aesthetics, the **7849407 switches** are built to withstand rigorous use, with **reinforced wiring harnesses and corrosion-resistant connectors** to ensure long-term reliability. Whether installed in a **535i with its twin-turbocharged inline-six engine** or a **640i with its powerful V8 powerplant**, these switches seamlessly integrate with the vehicle s advanced infotainment and driving dynamics systems, offering **one-touch access to M Sport modes, driving modes, and other performance-oriented features**. The **precise button placement** and **ergonomic contouring** reduce fatigue during long drives, making them an ideal upgrade for both daily commuters and track-focused drivers who prioritize control and performance.
For those seeking a **true M Sport experience**, this switch set is a game-changer, transforming the steering wheel into a **central hub for driving dynamics**, allowing quick adjustments to **suspension settings, traction control, and stability programs** with minimal effort. Whether paired with a **black or silver finish**, the **7849407 switches** deliver a **luxurious yet sporty upgrade** that enhances both the visual appeal and functional capabilities of the BMW, making it a must-have accessory for enthusiasts who refuse to compromise on quality or performance.
### **Pros and Cons of Buying a BMW 7 Series (F06/F10/F13) 535i/640i M-Sport with Custom Steering Wheel Switches (Part Number: BMW 7849407)**
#### **Pros**
1. **Premium Driving Experience**
The BMW 7 Series (F06/F10/F13) is renowned for its refined luxury, smooth ride, and high-quality materials. The M-Sport trim enhances sportiness with stiffer suspension, sportier exhaust notes, and a more engaging driving feel compared to standard models.
2. **Strong Performance (535i/640i)**
- **535i (F06/F10/F13):** Twin-turbo inline-6 engine (3.0L) producing **382 408 hp** (depending on model year) paired with an 8-speed ZF automatic transmission. Offers a balance of power and efficiency.
- **640i (F13 only):** Twin-turbo V8 engine (3.0L) generating **440 hp**, providing more raw power and a more luxurious, high-revving driving experience. The F13 640i is particularly sought after for its V8 sound and performance.
- Both variants deliver smooth acceleration and a premium feel, with the 640i offering a more exhilarating drive.
3. **Luxury and Comfort**
The 7 Series is a flagship BMW, featuring:- **Spacious and luxurious cabin** with high-end materials (leather, wood, aluminum, or carbon fiber trim).
- **Advanced infotainment** (iDrive, later models with touchscreen and Apple CarPlay/Android Auto).
- **Quiet cabin** with excellent sound insulation, making long drives comfortable.
- **Adaptive suspension** (optional on some models) for a smooth ride over varying road conditions.
4. **Custom Steering Wheel Switches (BMW Part 7849407)**
- The **M-Sport steering wheel** (often included with the M-Sport package) features **programmable paddle shifters** (for manual mode), **audio controls**, and **additional function buttons** (e.g., cruise control, phone integration).
- The **7849407 part** is a **universal or OEM-style steering wheel switch set** that can be installed on compatible BMW models to add or replace existing switches. This allows for:
- **Customization** (e.g., adding phone controls, adjusting cruise settings, or integrating with aftermarket systems).
- **Compatibility with aftermarket audio systems** (e.g., Alpine, Sony, or Kenwood) for easier control.
- **Improved functionality** if the original switches are worn or non-functional.
5. **Resale Value and Prestige**
- The BMW 7 Series holds its value relatively well compared to other luxury sedans, especially the **F13 640i**, which is highly desirable.
- Owning a 7 Series conveys prestige and luxury, appealing to those who value brand status.
6. **Reliability (Compared to Competitors)**
- While no car is perfect, the **F06/F10/F13 7 Series** is generally reliable for its class, especially the **535i**, which has fewer issues than the V8 640i.
- **Common concerns** (mostly in the **F13 640i**) include:- **Turbocharger failures** (especially in early models).
- **Transmission issues** (some reports of rough shifting in the 8-speed ZF).
- **Electrical gremlins** (infotainment glitches, sensor failures).
- Regular maintenance (oil changes, turbo inspections) can mitigate many issues.
7. **Aftermarket and Modification Potential**
- The 7 Series has a strong aftermarket support, allowing for:- **Performance upgrades** (intake/exhaust, ECU tuning).
- **Aesthetic modifications** (custom wheels, body kits, interior upgrades).
- **Tech enhancements** (better audio, advanced driver aids).
- The **custom steering wheel switches** can be paired with aftermarket systems for a more tailored experience.
8. **Safety and Technology**
- Equipped with **BMW s latest safety features** (adaptive cruise control, lane-keeping assist, blind-spot monitoring, and automatic emergency braking).
- Later models (F13) include **iDrive 7** with a larger touchscreen and improved connectivity.
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#### **Cons**
1. **High Cost of Ownership**
- **Purchase Price:** New models start around **$80,000 ** (even used luxury models in good condition can be expensive).
- **Maintenance:** BMWs are **notoriously expensive to maintain**, with parts and labor costs higher than many competitors (e.g., Mercedes, Audi, Lexus).
- **Fuel Consumption:** The **640i (V8)** is thirsty, averaging **14 16 MPG combined**, while the **535i** is slightly better at **20 22 MPG**. Diesel alternatives (if available) would be more efficient but less powerful.
- **Insurance:** Luxury cars like the 7 Series have **high insurance premiums** due to repair costs.
2. **Potential Reliability Issues**
- **Turbocharger Failures:** The **F13 640i s V8** is prone to turbo issues, especially if maintenance is neglected. Replacing turbos can cost **$3,000 $6,000 **.
- **Transmission Problems:** Some owners report **rough shifting or delayed engagement** in the 8-speed automatic, particularly in the **F10/F13**.
- **Electrical System:** The **iDrive system** can be finicky, with reports of **freezing, lag, or complete failure**, requiring costly repairs.
- **Suspension Wear:** The **adaptive suspension** (if equipped) may require frequent servicing to maintain performance.
3. **Complexity and Maintenance Requirements**
- BMWs are **highly complex**, requiring **specialized mechanics** for repairs. Finding a reputable BMW dealer or independent specialist can be difficult in some areas.
- **Regular maintenance is critical** to prevent major failures (e.g., timing chain replacement on the 535i s inline-6, which can cost **$2,000 $3,500** if neglected).
4. **Depreciation**
- While the 7 Series holds value better than some competitors, it still **depreciates significantly** in the first few years.
- The **F13 640i** is an exception, retaining value well due to its desirability.
5. **Size and Maneuverability**
- The 7 Series is a **large, heavy car**, making it **difficult to park and maneuver in tight spaces**.
- **Fuel economy suffers** due to its size and power output.
6. **Custom Steering Wheel Switches (Potential Drawbacks)**
- **Compatibility Issues:** The **7849407 part** may not fit perfectly without modifications, especially if the car has aftermarket steering wheel installations.
- **Wiring Complexity:** Installing custom switches requires **proper wiring and programming** to avoid electrical issues. A professional installation is recommended to prevent malfunctions.
- **Cost:** While the part itself may be affordable, **labor costs for installation and programming** can add up, especially if additional wiring is needed.
7. **Resale Market Challenges**
- Even well-maintained 7 Series models can be **hard to sell** due to high demand for alternatives (e.g., Audi A8, Mercedes S-Class, Genesis G90).
- **Buyers may prefer newer models** with updated tech, reducing resale value over time.
8. **Noise and Vibration in Some Models**
- The **F13 640i** can have **more wind and road noise** than expected, especially at highway speeds.
- Some owners report **excessive vibration** in the cabin, particularly in the **F10/F13** models, which may require suspension or tire adjustments.
9. **Limited Practicality for Daily Use**
- The **large size** makes it less practical for **urban driving, tight parking, or frequent highway stops**.
- **Rear seat comfort** is excellent, but **legroom for passengers** can be tight for taller individuals.
10. **Software and Infotainment Lag**
- The **iDrive system** (especially in older models) can be **slow and unresponsive**, leading to frustration.
- **Bluetooth and phone connectivity** may require additional setup for seamless integration.
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### **Conclusion**
The **BMW 7 Series (F06/F10/F13) 535i/640i with M-Sport and custom steering wheel switches (7849407)** is an **exceptional luxury sedan** that offers **unmatched comfort, performance, and prestige**. It is ideal for:
- **Enthusiasts who value driving dynamics** (especially the 640i s V8).
- **Those prioritizing luxury and refinement
11-18 BMW F06 F10 F13 535I 550i 640I 650i M-Sport Steering Wheel Switches Button 7849407 OEM.