BMW E82 E90 E91 E92 N54 306HP Engine Control Unit ECU Kit DME 7583332 Automatic

BMW E82 E90 E91 E92 135i 335i N54 306HP ECU Kit DME CAS3 Key Automatic is a complete set of electronic control modules and units, designed for BMW models with the N54 engine producing 306 HP and an automatic transmission. The kit includes the DME engine control unit, the CAS3 module, and a key, which facilitates restoring proper powertrain operation after an electronic failure or when replacing the control unit.

Specifications and technical data

• SKU: 7583332-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7583332
• Substitutable numbers: 12147616431, 7616431, 12147583332, 7583332, 5WK93642, 61359147195, 9147195
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose of the ECU DME CAS3 Key Kit for BMW N54 306 HP

This set is dedicated to selected versions of BMW 1 Series E82 and 3 Series E90, E91, and E92 with the N54 engine producing 306 HP, paired with an automatic transmission. The combination of the DME control unit with the CAS3 module and a matched key ensures system consistency for the immobilizer, which is crucial when replacing electronics in modern powertrains.

A set configured this way is particularly useful in situations where the existing control unit has been damaged, there are issues with key authorization, or communication errors occur between modules in the vehicle. Using a ready-made kit reduces diagnostic time and the need for complex, from-scratch programming.

Kit Construction and Function of Individual Components

The BMW ECU DME CAS3 Key Kit includes the engine control unit responsible for managing the N54 unit's operation, the CAS3 module serving as the central element of the access and start system, and a key matched to the electronics configuration. This setup ensures data consistency between modules, which is essential for the vehicle to start correctly.

Combining these elements in one kit:

• facilitates restoring starting functions after an electronic failure,
• minimizes the risk of conflicts between the engine control unit and the CAS3 module,
• reduces the scope of necessary adaptations during installation in the vehicle.

Benefits of Using a Used ECU Kit in BMW

Choosing a used set from the electronic control modules and units category can significantly lower repair costs compared to purchasing new parts, while maintaining the functionality required for BMW vehicles with the N54 engine. The DME + CAS3 + Key kit is particularly beneficial when you prioritize:

• reducing vehicle downtime at the workshop,
• maintaining proper cooperation with the automatic transmission,
• limiting programming to essential adaptations for a specific vehicle instance.

For users and workshops looking to better understand the selection and installation of used electronics, the Global Parts guide will be helpful: used car electronics – second-hand ECU modules and sensors, which discusses compatibility issues and practical application examples.

Installation, Compatibility, and Practical Application

The BMW ECU DME CAS3 Key Kit for the N54 306 HP engine with an automatic transmission is designed for installation in vehicles where maintaining compatibility between the engine control unit, CAS3 module, and key is required. In practice, this means:

• easier restoration of starting functions after replacing electronics,
• reduced risk of immobilizer errors and key authorization problems,
• the possibility of using the kit as a base for further configuration to a specific VIN.

Due to the specific nature of BMW systems, it is advisable to entrust the installation of such a kit to a workshop experienced in working with this brand's electronics. This will allow for the full utilization of the kit's potential and avoid unnecessary attempts to program mismatched modules.

Other BMW Electronic Control Modules and Units

If you are also looking for other BMW electronic control modules and units for your car, check out our dedicated offer: BMW electronic control modules and units. There you will find a wide selection of components tailored to various series and generations of this brand's vehicles.

To compare how other manufacturers approach original electronic components, you can read an article on our blog: Audi and pure emotion – how used parts help maintain the brand's DNA, which shows how properly selected modules influence the preservation of a premium car's character.