BMW 5 6 Series E60 E61N LCI M5 E63 E64 M6 Left Crankcase Vent Hose 4788064

BMW 5 6 Series E60 E61N LCI M5 E63 E64 M6 Left Crankcase Vent Hose is an original intake system component designed for installation on the left side of BMW 5 and 6 series sports models. Thanks to its factory geometry, it ensures stable airflow to the engine, which helps maintain the proper operating parameters of the power unit. It is a practical solution for users who want to restore correct airflow while maintaining the original BMW design and the integrity of the entire intake system.

Specifications and technical data

• SKU: 7836946
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7836946
• Substitutable numbers: 11617836946, 7836946, 4788064, AS
• Location on the vehicle: Left
• Category: Other Engine Parts

Purpose and function in the intake system

The presented air hose is an intake system component responsible for directing air to the engine on the left side of the vehicle. A properly selected air hose allows you to:

• maintain stable airflow across a wide range of engine loads,
• reduce pressure drops in the intake,
• maintain the correct routing of hoses relative to other engine compartment components.

Thanks to its fitment for the specific BMW E60, E61, and E63 platform in M5 and M6 versions, the hose works with the factory intake system without the need to modify other elements.

Compatibility with BMW M5 and M6

The component has been designed for the demanding power units used in the BMW M5 and M6, where the intake system operates under increased load. Proper airflow routing is important for:

• performance stability at high engine speeds,
• repeatability of throttle response,
• maintaining proper engine operating conditions during daily use and dynamic driving.

The location on the left side of the vehicle facilitates identification of the component during engine compartment inspections and replacement planning.

Installation characteristics

The hose is prepared for installation in place of the factory component, which allows for maintaining the original intake system routing. In practice, this means:

• no need for modifications to mounts or clamps,
• consistent fitment to standard connectors and housings,
• easier leak checks after installation.

This type of solution is particularly beneficial for users who want to keep their car in a configuration close to the factory state, with an emphasis on secure installation and predictable intake system behavior.

Condition and service application

The offered air hose is a used component, which makes it an attractive cost-effective alternative while maintaining the manufacturer's original specifications. It works well for both routine repairs and restoring the completeness of the intake system after previous modifications or mechanical damage. Choosing an original BMW component helps reduce the risk of fitment issues that may occur with universal aftermarket replacements.

Intake system expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional air hoses, filter housing components, or intake ducts, check out the available parts in the Other BMW category.

For drivers interested in comparing the characteristics of sports versions of cars with their standard variants, a broader look at the differences in engine, brake, and chassis design may be useful – you can find them in the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you are considering wider use of aftermarket components in your BMW and want to better understand the benefits of choosing original, used parts, it is worth reading the guide Used parts for BMW – is it worth it? Key benefits for brand fans, which discusses the economic, technical, and ecological aspects of such a solution.