Screw Clamp BMW F20 F22 G30 G31 B48 Hybrid Muffler V Band Exhaust 8631986

Visual condition of the part

The product shows signs of use visible in the photos.

Screw Clamp BMW F20 F22 G30 G31 B48 Hybrid Muffler V Band Exhaust is a precision mounting component designed to connect a hybrid muffler to the exhaust line in selected BMW models with the B48 engine. Thanks to its robust construction and perfect fit for the factory V-Band system, it ensures a stable, airtight, and repeatable connection of exhaust system components. This is a practical solution for users who want to maintain the original geometry and performance characteristics of the exhaust.

Specifications and technical data

• SKU: 8631986
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8631986
• Substitutable numbers: 8631986, 18308631986
• Category: Clamps, Flanges, Hangers & Hardware

Purpose and function of the BMW exhaust clamp

The presented clamp belongs to the Clamps, brackets, flanges, and mounting parts category and is used in BMW exhaust systems with the B48 engine, including the F20, F22, and G30/G31 series in hybrid configurations. Its task is to mechanically secure the V-Band flanges at the junction of the muffler and the rest of the system, in order to maintain the correct pipe positioning, reduce stress, and ensure a tight connection under varying thermal and dynamic loads.

The V-Band solution used by BMW allows for quick disassembly and assembly of exhaust components, and a properly selected clamp minimizes the risk of leaks, looseness, or unwanted vibrations in the connection area.

Construction and technical features of the mounting component

The clamp is designed as a BMW OE part, which means it maintains factory dimensional tolerances and compatibility with the original V-Band flanges used in the given exhaust system. The design of the clamp allows for uniform pressure on the rings around the entire circumference, which translates into a stable connection even at high exhaust temperatures and significant pressure changes.

In practice, this results in:

• secure guidance and positioning of the muffler relative to the rest of the system,
• reduced risk of V-Band connection leaks,
• easier service and disassembly of exhaust components during repairs or modifications.

Condition, fitment, and service application

The item is offered in used condition, which, in the case of original BMW components, allows for maintaining factory fitment to the exhaust system while optimizing repair costs. The clamp is particularly useful for:

• replacing a hybrid muffler in vehicles with a B48 engine,
• servicing or modifying an exhaust section connected via the V-Band system,
• restoring the original configuration after previous modifications.

By maintaining the OEM standard, you can count on proper alignment with factory flanges and predictable performance of the entire connection during long-term operation.

Benefits of using an original BMW clamp

Using an original clamp in a V-Band system provides a number of practical operational benefits:

• Connection stability – uniform pressure around the entire circumference reduces the risk of looseness and rattling in the connection area.
• Improved exhaust system tightness – proper tightening of the flanges helps maintain the seal, which affects engine refinement and the correct operation of sensors in the exhaust system.
• Repeatable assembly – a design consistent with the factory standard facilitates service work and shortens the time required for disassembly and reassembly.
• Consistency with the rest of the system – maintaining the original geometry and mounting points reduces the risk of stress on other exhaust components.

Expanding service work and knowledge about used parts

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other components from the same group, such as additional clamps, brackets, or mounting flanges, check out the available parts in the BMW clamps, brackets, flanges, and mounting parts category.

When selecting components from dismantling, it is worth knowing the specifics of body and mounting elements used by premium manufacturers. More practical information on how to effectively use used parts and what to look for when evaluating them can be found in the article Replacing body parts with used ones – can salvaged body parts look like new?.