BMW Z4 Series E85 Convertible Roadster Plastic Bare Fuel Tank Petrol 6757920

BMW Z4 Series E85 Convertible Roadster Plastic Bare Fuel Tank is an original fuel system component designed for use with the M54 petrol engine in the BMW Z4 E85 model. This used fuel tank ensures factory-fitment, maintaining the correct geometry, mounting points, and compatibility with fuel system accessories. As such, it provides a solid foundation for professional repair or replacement of a damaged tank in your BMW roadster.

Specifications and technical data

• SKU: 7198750
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7198750
• Substitutable numbers: 16117198750, 7198750, 16117197692, 7197692, 6757920, 7165323, 7161181
• Weight: 150
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and fitment for BMW Z4 E85

The presented tank belongs to the Fuel tanks and filler pipes category and has been designed specifically for the BMW Z4 E85 chassis construction with the M54 petrol engine. This ensures the correct clearance for the rear suspension, exhaust system, and body components, as well as the correct positioning of ports, line mounts, and sensors. In practice, this facilitates installation and reduces the need for additional modifications.

Technical and functional characteristics

The tank is adapted for use with petrol fuel, which is crucial for proper operation with the M54 engine and the factory fuel injection system. The design provides for proper fuel routing, level stabilization, and compatibility with accessories such as the fuel pump, level sensor, and vent lines. The appropriately selected weight of the component helps maintain the correct load distribution in the rear of the vehicle.

As an original BMW component, the tank has dedicated part numbers and interchangeable numbers, which facilitates compatibility verification via VIN or catalog numbers in professional parts catalogs. This allows a mechanic or service advisor to quickly confirm compatibility with the specific equipment version of your car.

Condition, origin, and service application

The offered fuel tank is a used part, which in practice represents a favorable compromise between repair costs and maintaining original BMW specifications. Such components are commonly used in:

• post-accident repairs of the rear body section,
• removing the effects of corrosion or mechanical damage to the tank,
• vehicle restorations where preserving the factory design is a priority.

Choosing an original salvaged tank allows you to maintain compliance with factory BMW solutions, which is important for both durability and subsequent fuel system diagnostics.

Benefits of using an original fuel tank

Using an original BMW fuel tank in a Z4 E85 with an M54 engine translates into a number of practical benefits:

• factory mounting points – easier installation and correct fitment with the body,
• compatibility with original lines, sensors, and accessories,
• maintaining proper fuel system operation during dynamic driving,
• lower risk of venting and fuel supply issues compared to aftermarket replacements of uncertain origin.

For workshops specializing in the BMW brand and for informed users, this means stable, predictable operation and easier diagnostics of any potential future faults.

Selection, diagnostics, and additional materials

To correctly select a fuel tank for a specific version of the BMW Z4 E85, it is worth using the OEM part number and interchangeable numbers, as well as vehicle identification data. A detailed discussion of fuel system operating principles, diagnostic methods, and component selection can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which provides practical support for both mechanics and users planning an informed repair.

If you are preparing your car for the winter season and planning an inspection of used components, the guide Winter essentials: which used car parts are worth checking and replacing before the frost? may also be helpful, containing checklists and tips on assessing the condition of sub-assemblies.

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as filler lines, vent pipes, or additional mounting hardware, check the available parts in the BMW fuel tanks and filler pipes category.