Audi A3 8V VW Golf Mk7 Seat Leon 5F 1.4 TFSI TSI Bare Engine CMBA 122HP WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Audi A3 8V VW Golf Mk7 Seat Leon 5F 1.4 TFSI TSI Bare Engine CMBA 122HP WARRANTY is a used, complete bare engine from the TFSI/TSI petrol family, designed for popular VAG group models. This solution is for users who want to restore the efficiency of the powertrain in a technically correct and cost-effective way, while maintaining the factory engine performance characteristics. By retaining the original CMBA code specification, the bare engine provides a solid base for further equipment installation and assembly.

Specifications and technical data

• SKU: 04E100031N
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E100031N
• Substitutable numbers: 04E100031N, 04E 100 031 N, 04E100031NX, 04E 100 031 NX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CMBA
• Mileage: 85 000

Technical characteristics of the CMBA bare engine

The presented bare engine belongs to the Engines category and is designed to run on petrol in a four-cylinder configuration. This setup ensures a good balance between refinement, unit weight, and performance potential, which is important both in daily use and during dynamic driving. The CMBA code allows for precise matching of the unit to the specific equipment version of the vehicle, while maintaining the correct control maps and mechanical parameters.

A bare engine means that you receive a base block with a cylinder head, prepared for transferring the accessories from your previous engine. This solution is cost-effective and at the same time allows for the use of proven auxiliary components that are already matched to your specific car.

Application in Audi, VW, and Seat models

The CMBA engine in a bare engine configuration is used in popular models such as the Audi A3 8V, VW Golf Mk7, or Seat Leon 5F, making it an attractive option for repairs in the compact segment. The unit has been designed to work with modern direct injection and turbocharging systems, which is why, after proper selection and installation, it allows for maintaining factory performance and torque characteristics.

A used engine with the original engine code preserved is a good solution in situations where the existing unit has suffered mechanical damage (e.g., seizure, damage to the block or head), and repair exceeds economic viability. Replacing it with a complete bare engine shortens vehicle downtime and simplifies the service process compared to extensive regeneration of an old engine.

Condition, mileage, and benefits of choosing a used engine

The offered engine comes from the secondary market, and its mileage is known, which makes it easier to assess operational wear. A used engine in good technical condition allows for a significant reduction in repair costs compared to a brand-new unit, while maintaining correct operating parameters after proper installation and initial service (oil, filter, and fluid changes, inspection of accessories).

Choosing a used bare engine is particularly beneficial when you want to:

• maintain the original specification of the powertrain in the car,
• reduce repair costs while maintaining proper functionality,
• shorten vehicle downtime thanks to a simpler replacement procedure.

If you want to better understand the differences between new and used power units, selection procedures based on OEM numbers, and the real costs of such repairs, it is worth reading the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which expertly discusses the most important aspects of purchasing used engines.

Selection, installation, and service aspects

To correctly select this bare engine for a specific vehicle, it is crucial to verify the compatibility of the engine code and installation parameters with the donor and recipient vehicle. In workshop practice, it is additionally recommended to:

• check the condition of accessories before transfer (turbo, injectors, pumps, ignition system),
• replace consumables and seals during installation,
• update or adapt the engine control unit software, if required by the specific model.

A CMBA bare engine prepared and installed in this way allows for stable powertrain operation and reduces the risk of unplanned service downtime in the future. If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as blocks, heads, or complete power units, check the available parts in the Audi Engines category.

Summary

Audi A3 8V VW Golf Mk7 Seat Leon 5F 1.4 TFSI TSI Bare Engine CMBA 122HP WARRANTY is a practical solution for drivers and workshops looking for a technically correct and cost-effective method of restoring the efficiency of the powertrain. A used engine from the TFSI/TSI family, with proper selection and installation, allows for maintaining the vehicle's factory driving characteristics, providing a solid base for further operation.