fits model: E85, Z4. year: 2003–2007.



| Brand | BMW |
|---|---|
| Manufacturer Part Number | 7514197 |
| Type | OPEN DIFFERENTIAL |
| Axle Type | REAR AXLE |
| Gear Ratio | 3.64 |
| Placement On Vehicle | REAR |
The BMW E85 Z4 (2003-07) Rear Differential with the part number BMW 7514197 is a critical component of the vehicle's powertrain system. This high-performance differential is specifically designed for the automatic transmission variant of the E85 Z4, providing smooth and efficient power distribution to the rear wheels.
The BMW 7514197 differential is a robust and durable component, engineered to withstand the high torque and power output of the Z4's engine. It features a unique geometry that allows for optimal power transfer to the wheels, ensuring optimal traction and control, especially during acceleration and cornering.
The differential's housing is made from strong and lightweight materials, such as aluminum or steel, providing excellent heat dissipation and resistance to wear and tear. The differential gears are precision-machined for accurate fitment and smooth operation, while the differential oil seals ensure a tight seal between the housing and the gear assembly, preventing oil leakage and maintaining the optimal lubrication of the gears.
The BMW 7514197 differential also features a limited-slip or locking mechanism, which allows for power to be distributed to both wheels even if one wheel loses traction, such as during a turn or on slippery roads. This feature allows for better control and stability, improving the overall driving experience of the E85 Z4.
In summary, the BMW E85 Z4 (2003-07) Rear Differential with the part number BMW 7514197 is a critical component of the vehicle's powertrain system, providing smooth and efficient power distribution to the rear wheels. Its unique geometry, robust housing, precision-machined gears, and limited-slip mechanism make it an excellent choice for the high-performance E85 Z4, ensuring optimal traction, control, and stability on the road.
Pros of buying a 2003-07 BMW Z4 (BMW 7514197) with automatic transmission and 6-speed rear differential:1. Powerful Engine: The Z4 comes with a 3.0L inline-6 engine, which provides a good balance between power and fuel efficiency.
2. Smooth Ride: The automatic transmission and 6-speed rear differential ensure a smooth and enjoyable driving experience.
3. Luxury Features: The Z4 is known for its luxury features, such as leather seats, a powerful sound system, and a sunroof.
4. High Resale Value: BMW vehicles generally have high resale values, which means you may be able to recoup a significant portion of your investment if you decide to sell the car in the future.
Cons of buying a 2003-07 BMW Z4 (BMW 7514197) with automatic transmission and 6-speed rear differential:1. Maintenance Costs: BMWs are known for their high maintenance costs, especially for older models such as the Z4. Regular servicing and replacement of parts can be expensive.
2. Reliability Issues: Some older BMW models have been known to have reliability issues, such as electrical problems and engine failures.
3. Limited Cargo Space: The Z4 has limited cargo space, which may not be suitable for people who need to transport a lot of items regularly.
4. Fuel Efficiency: While the Z4's engine is powerful, it may not be as fuel-efficient as some of its competitors, especially in city driving.
Conclusion:The 2003-07 BMW Z4 (BMW 7514197) with automatic transmission and 6-speed rear differential is a great car for those who value power, luxury, and a smooth ride. However, its high maintenance costs and potential reliability issues may be a downside for some buyers. If you are willing to invest in regular servicing and are prepared for the possibility of unexpected repairs, the Z4 can be a great choice. However, if you are looking for a more reliable and cost-effective option, you may want to consider other models.
Recommendation:If you are set on buying a BMW Z4, it would be a good idea to have the car inspected by a reputable mechanic before making a purchase. This can help you identify any potential issues and negotiate a fair price. Additionally, be sure to budget for regular servicing and maintenance costs. If you are not comfortable with the high maintenance costs, you may want to consider a newer or more reliable model.
Open rear differential. Removed off 2003 Bmw Z4 w/ 112k miles: 3.64 gear ratio: 4-bolt flange connector: mounting hardware included: tested and in good mechanical condition: ready to install: miles.
