Engine Mount BMW F10 LCI F12 550i 650i M5 Engine Suspension Left N/S 6851263

Engine Mount BMW F10 LCI F12 550i 650i M5 Engine Suspension Left N/S is an original component from the Engine mounts group, designed for left-side installation in selected BMW models equipped with N63N and S63 engines. This used OEM part ensures a factory-perfect fit, stable support for the powertrain, and maintains proper engine operating standards.

Specifications and technical data

• SKU: 6851263
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851263
• Substitutable numbers: 6851263, 22116851263
• Location on the vehicle: Left
• Category: Engine Mounts

Purpose and function of the engine mount

The presented left engine mount has been specifically designed for BMW 5 Series F10 LCI, 6 Series F12, and M5 and M6 models with N63N and S63 engines. Its task is to dampen powertrain vibrations, stabilize the engine's position relative to the chassis, and limit the transmission of vibrations to the vehicle's body and interior.

A properly selected engine mount contributes to:

• driving comfort through the reduction of vibrations and noise,
• steering precision thanks to a stable powertrain mounting,
• relieving stress on other drivetrain and exhaust system components.

Construction and fitment for BMW

The engine mount in question is an OEM BMW component, which means factory-perfect fitment to the mounting points on the chassis and engine. The design intended for left-side installation ensures compatibility with the powertrain suspension geometry in the listed models.

Using original engine mounts in high-performance vehicles such as the 550i, 650i, M5, or M6 is particularly important due to the loads generated by the N63N and S63 units. The correct stiffness and damping characteristics translate into drivetrain stability during dynamic driving as well as during rapid acceleration and engine braking.

Benefits of using an original engine mount

Using this left-side engine mount in a BMW F10 LCI, F12, M5, or M6 helps restore proper powertrain support and reduces symptoms such as excessive steering wheel vibration, noticeable cabin tremors, or unwanted noises when starting. The original BMW design ensures compliance with the manufacturer's factory specifications regarding comfort and durability.

The main advantages of using this mount include:

• maintaining the correct engine mounting geometry,
• better cooperation with other mounts and drivetrain suspension elements,
• reducing the risk of premature wear of joints, half-shafts, and exhaust system components.

Professional installation and operation

Due to the nature of the engine mount's operation and the loads occurring in N63N and S63 units, installation by an experienced service center using appropriate tools and powertrain support procedures is recommended. A correctly installed mount ensures stable engine operation across the full load range and minimizes the risk of stress within the drivetrain.

When replacing the left engine mount, it is worth checking the condition of the other engine mounting components to maintain even support and full vibration damping effectiveness.

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other components from the same group, such as additional mounts, brackets, or other damping elements, check the available parts in the BMW Engine mounts category.

Technical support and knowledge about used parts

When working with the powertrain, a practical guide on selecting engine components may be helpful – especially when considering a larger scope of repairs. It is worth reading the material: How to buy a used car engine without getting scammed – a step-by-step guide, which discusses key aspects of assessing technical condition and making a safe purchase.

If you want to better understand the specifics of the second-hand parts market and make informed choices regarding elements such as engine mounts, the article Used car parts: Myths and facts you need to know, which explains the differences between popular opinions and actual workshop practice, will also be helpful.