BMW 6 E63 E64 LCI 635d Plastic Complete Fuel Tank Diesel 7186086

BMW 6 E63 E64 LCI 635d Plastic Complete Fuel Tank Diesel is an original fuel system component, designed specifically for the diesel version. Thanks to its factory design, it ensures proper diesel storage, stable operation of the fuel system, and a perfect fit for the bodywork and mounting points of the 635d model.

Specifications and technical data

• SKU: 7186086
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7186086
• Substitutable numbers: 16117186086, 7186086, 16117373472, 7373472, 16140301735, 0301735, 16146765822, 6765822, 16146765827, 6765827, 16140301734, 0301734, 7200216, BG
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and compatibility

The offered fuel tank is a component intended for the BMW 6 Series E63/E64 generation after the facelift (LCI) in the 635d version with a diesel engine. The tank's construction has been developed for specific mounting points, chassis geometry, and fuel line layout, which allows for hassle-free installation in place of the factory component without the need for modifications.

Thanks to the use of appropriate material, the tank is compatible with diesel fuel, maintaining resistance to fuel exposure and typical operating conditions in premium class vehicles.

Construction and function in the fuel system

The complete plastic fuel tank plays a key role in the fuel system – it is responsible for the safe storage of fuel, proper venting, and stable delivery of diesel to further components, such as the pump or injectors. The tank's design is optimized for:

• the arrangement of chambers and indentations to minimize fuel sloshing,
• routing of lines and connection ports,
• compatibility with factory sensors and fuel system equipment.

The plastic construction helps reduce the weight of the component and provides corrosion resistance, which in the long run promotes stable and predictable operation of the fuel system.

Technical characteristics and installation

The tank belongs to the Fuel tanks and filler pipes group, which means it is designed to work with the factory filler neck and fuel lines in the BMW 6 E63/E64 LCI 635d. The design provides the appropriate working capacity, matched to the requirements of the diesel unit, as well as the correct placement of mounting points to the body.

The item is used, which in practice means that before installation, it is worth verifying the external and internal condition in accordance with the vehicle manufacturer's service procedures. A properly selected and installed tank allows for restoring factory fuel system performance after mechanical damage, corrosion of metal components, or previous accident repairs.

Benefits of using an original BMW tank

Choosing an original fuel tank for the BMW 6 E63/E64 LCI 635d primarily means:

• a secure fit to the body and fuel system without the need for modifications,
• preservation of the factory geometry of lines and mounts,
• compatibility with fuel system equipment intended for the diesel engine.

This helps reduce the risk of leaks, venting problems, or errors in the fuel system operation. This solution is particularly beneficial for accident repairs, replacing a damaged tank, or restoring the car to a condition close to factory specifications.

Technical support and additional information

To better understand the role of the fuel tank in the entire fuel system and to properly plan diagnostics and repair, it is worth referring to specialized materials. Practical tips on selecting components by OEM numbers, operation, and regeneration can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses the most important aspects of fuel system operation in diesel vehicles.

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 additional tanks, lines, or filler pipes, check the available parts in the BMW fuel tanks and filler pipes category.

For users considering installing aftermarket components in cars of this brand, the guide Used parts for BMW – is it worth it? Key benefits for fans of the brand may also be helpful, where the advantages of using used components and the key criteria for their selection are discussed.