BMW 3 5 7 X5 Series E46 E53 E60 E65 E83 Air Intake Manifold Flap Adjuster DISA

Description

BMW 3 5 7 X5 Series E46 E53 E60 E65 E83 Air Intake Manifold Flap Adjuster DISA is an original component from the Intake Manifolds group, designed for precise airflow control in BMW engines. Using this DISA valve allows you to maintain the factory performance characteristics of the powertrain, supporting stable dynamics, smooth operation, and correct throttle response.

Specifications and technical data

• SKU: 7502275
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7544805
• Substitutable numbers: 11617544805, 7544805, 11617502275, 7502275
• Category: Intake Manifolds

Function and application of the DISA valve in the BMW intake system

The DISA vacuum valve is responsible for changing the geometry within the intake manifold, which enables optimal cylinder filling across various RPM ranges. As a result, the engine maintains good flexibility at low RPM and proper efficiency at higher engine speeds.

In BMW models from the X5 family and the E46, E53, E60, E65, and E83 series, a properly functioning DISA valve is crucial for:

• maintaining stable idle speed,
• correct torque in the mid-RPM range,
• reducing power drops resulting from improper intake control,
• preserving the factory operating characteristics of the powertrain.

Benefits of using an original BMW component

The original DISA vacuum valve from the BMW group ensures a perfect fit to the intake manifold without the need for modifications. A design consistent with factory standards allows for maintaining:

• consistency with factory engine management – no need for software modifications,
• proper interaction with the vacuum system and sensors,
• adequate sealing within the intake manifold,
• stable operating parameters over a long service life.

Choosing a used, original component is a cost-effective solution for users who want to keep their car in line with factory specifications while controlling repair costs.

Condition, verification, and vehicle fitment

The item is offered as a used part, which in practice means it has been removed from a vehicle and verified for further serviceability. This type of component is particularly important in cases of symptoms such as rough engine operation, power loss, or errors related to the intake system.

To correctly select a DISA valve for a specific BMW vehicle, it is recommended to verify it by OEM number or interchangeable part numbers and compare the design of the component with the one currently installed in the vehicle. This approach minimizes the risk of incompatibility and speeds up the installation process.

Role in the BMW Intake Manifolds system

The DISA vacuum valve is an integral part of the intake system within the Intake Manifolds group. Its proper operation affects:

• effective use of variable intake runner lengths,
• correct cylinder filling across a wide range of loads,
• reduction of unwanted air turbulence in the manifold,
• maintaining a predictable engine response to load changes.

In the event of wear or damage to the DISA valve, replacing it with a functional unit is one of the fundamental steps when diagnosing intake system problems in BMW engines.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as control flaps, airflow regulation modules, or additional intake elements, check the available parts in the BMW Intake Manifolds category.

Technical support and additional knowledge

For users interested in a broader context of exhaust and air flow systems in cars, including the impact of manifolds on performance, an article describing issues related to tuning and selecting exhaust system components and manifolds may be useful – you can find it here: Performance exhaust system: used manifolds and sports catalytic converters on the road.

If you want to better understand how using original, used components affects the durability and precision of this brand’s cars, it is also worth reading the following material: BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?.