Mini F65 F66 F67 BMW F40 F44 F74 Fuel Tank Pump Locking Closure Ring 7471828

Mini F65 F66 F67 BMW F40 F44 F74 Fuel Tank Pump Locking Closure Ring is an original component from the Fuel filler flaps and caps group, designed for the precise mounting of the fuel pump module within the tank. Its robust construction ensures stable pressure of the pump flange against the tank, which helps maintain the integrity of the fuel system and reduces the risk of leaks in the filler and pump chamber area.

Specifications and technical data

• SKU: 7471828
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7471828
• Substitutable numbers: 16117471828, 7471828
• Part type: Fuel Tank Cap
• Category: Fuel Tank Caps

Purpose and function of the locking ring

The fuel pump locking ring in Mini and BMW models is responsible for mechanically securing the pump module in the tank housing. In practice, this means:

• maintaining constant pressure on the seal between the pump and the tank,
• limiting deformation of the pump flange during fuel system operation,
• stabilizing the position of the pump relative to the filler and fuel lines.

Thanks to this component, the fuel system maintains proper tightness, which is particularly important during operation in variable temperatures and under high engine load.

Benefits of using an original Mini component

Choosing a locking ring from the Mini OE line ensures compatibility with the manufacturer's factory requirements. The original thread geometry and contact surfaces facilitate installation and reduce the risk of the fuel pump becoming misaligned during tightening. This, in turn, helps avoid issues such as:

• micro-leaks around the pump flange,
• incorrect seal placement,
• excessive stress within the tank housing.

Using a component from the same design group as the factory-installed part promotes the consistency of the entire fuel system and facilitates subsequent diagnostics of potential faults.

Installation and operational characteristics

The fuel pump locking ring is designed for installation in specific Mini F65, F66, F67 bodies and the structurally related BMW F40, F44, F74. This ensures compatibility with the shape of the tank housing and the profile of the fuel pump flange used in these platforms.

When replacing the fuel pump module or the flange seal, it is worth checking the condition of the ring – thread wear, deformation, or signs of previous improper tightening can affect the tightness of the entire system. Using a proven, original component helps reduce the risk of having to remove the tank again and incurring additional service costs.

Component condition and use in service practice

The offered ring is a dismantled part intended for re-installation in Mini and BMW vehicles that use an analogous type of fuel pump mounting. This is a particularly attractive solution for repairs where a favorable price-to-quality ratio is important, while maintaining compliance with factory specifications.

This type of component is often replaced during:

• repairs or replacement of the fuel pump,
• fixing leaks in the upper tank area,
• servicing the fuel system after collisions or bodywork interventions near the filler.

Related fuel system components and service knowledge

When working on the fuel pump and its mounting, it is also worth paying attention to the condition of the pump module itself and the fuel rail. To better prepare for such repairs and consciously select components from dismantling, the following guide will be helpful: Fuel dosing problems – how to safely choose a used injection pump and fuel rail.

If you are planning a comprehensive repair or upgrade of the fuel filler zone in your Mini and need other elements from the same group, such as flaps, caps, or additional mounting elements, check the available parts in the Mini fuel filler flaps and caps category.

For owners of vehicles of this brand who want to better understand the specifics of operation and repair, the following article may also be useful: used car parts for Mini Cooper – a way for style and savings, which discusses typical faults and the selection of proven components from the secondary market.