BMW 1 3 4 Series F20 F21 F30 F42 LCI B48 Sliding Bar Exhaust Manifold 7617525

The BMW F20 F30 F42 LCI B48 Mounting Clamp is an original part from the Exhaust Manifolds group, designed for precise mounting of the exhaust system in LCI facelifted BMW vehicles with the B48 engine. This used OEM part ensures a factory fit, stable manifold support, and predictable system behavior under driving conditions.

Specifications and technical data

• SKU: 7617525
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7617525
• Substitutable numbers: 11627617525, 7617525, KZ
• Category: Manifolds & Headers

Purpose and Function in the Exhaust System

In this configuration, the mounting clamp is responsible for evenly pressing the manifold against the cylinder head and maintaining the correct connection geometry. This minimizes leaks, exhaust pressure drops, and unwanted vibrations that can affect the smoothness of the B48 unit's operation.

Using an original BMW part in the exhaust manifold mounting area is particularly important for turbocharged engines, where thermal and mechanical stability directly impacts the durability of the turbocharger, seals, and adjacent components.

Benefits of Using an Original Mounting Clamp

Choosing this mounting clamp from the Exhaust Manifolds group allows you to maintain the factory operating parameters of the system without the need for mounting modifications or interference with the engine's cylinder head. The original contact geometry and clamping force distribution promote even stress on the bolts, reducing the risk of stretching or breakage during operation.

• Factory fit for the B48 LCI version.
• Stable mounting of the exhaust manifold under high-temperature conditions.
• Reduced risk of leaks at the manifold-cylinder head interface.
• Better control of vibrations transferred from the exhaust system to the engine block.

By preserving the original design, it's possible to maintain predictable engine performance, which is important for both daily driving and more dynamic driving styles.

Characteristics of a Used Part

The presented mounting clamp is a used part, meaning it comes from a dismantled vehicle and has been verified for installation suitability. This type of component, when properly maintained, retains its mechanical properties for a long time, making it a technically sound choice for exhaust system servicing in many cases.

A used OEM part helps maintain structural consistency with other system components while reducing repair costs compared to purchasing a new equivalent. This is particularly beneficial for comprehensive service work when more than one component in the manifold area needs replacement.

Selection and Integration with the BMW Exhaust System

When selecting a mounting clamp for the exhaust manifold in a B48 engine, it is crucial to ensure compatibility with the specific generation and LCI facelift version. Using the correct mounting element minimizes the risk of assembly stresses that could lead to micro-cracks in the manifold or deformation of the mating surfaces.

To learn more about selecting and operating exhaust system components, including used manifolds and mounting parts for BMW vehicles, consult the guide: Performance Exhaust System – Used Sport Manifolds and Catalytic Converters on the Road.

Expanding Service for the BMW Exhaust Manifold Area

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as manifolds, clamps, or additional mountings, check the available parts in the BMW Exhaust Manifolds category.