BMW 1 3 Series F20 F21 F30 F31 LCI 118i 318i B38 Exhaust Cat Converter 8632269

BMW 1 3 Series F20 F21 F30 F31 LCI 118i 318i B38 Exhaust Cat Converter is an original exhaust system component designed for the LCI versions of the F20, F21, F30, and F31 models. This factory catalytic converter ensures compliance with the manufacturer's requirements regarding exhaust flow and emission reduction, and as a dismantled part, it represents a sensible choice for professional exhaust system repairs. Thanks to its OEM design, it is suitable for users expecting predictable installation and stable operating parameters for the B38 engine.

Specifications and technical data

• SKU: 8632267
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8632267
• Substitutable numbers: 18328632267, 8632267, 8632269
• Category: Catalytic Converters

Purpose and compatibility

The offered catalytic converter is dedicated to BMW 1 Series F20/F21 LCI and BMW 3 Series F30/F31 LCI vehicles equipped with the B38 petrol engine in 118i and 318i versions. The use of original geometry and mounting points allows for installation in place of the factory component without the need for exhaust system modifications or interference with the body structure.

As an OEM part from the Catalytic Converters group, it maintains the correct position relative to lambda sensors and other exhaust components, which is crucial for the proper operation of the engine control unit and maintaining the correct fuel-air mixture parameters.

Technical characteristics of the exhaust system

The catalytic converter for the B38 unit in the BMW 1 and 3 Series has been designed for effective emission reduction while maintaining proper exhaust flow. The OEM construction ensures:

• fitment to the factory manifold and the rest of the exhaust system,
• proper alignment with heat shields and chassis elements,
• stable operating conditions for lambda sensors before and after the catalytic converter,
• retention of factory exhaust backpressure parameters.

As a result, the catalytic converter works with the stock engine control software, limiting the risk of errors related to exhaust emissions or incorrect sensor readings.

Condition, origin, and service application

The item comes from dismantling and is offered as a used OEM BMW catalytic converter. This type of part is often chosen for repairs where maintaining the original vehicle specification is key, while simultaneously optimizing costs compared to a new component from an authorized dealer. In the case of replacing a worn or damaged catalytic converter in 118i and 318i models with the B38 engine, using an original component from the same model family allows for the preservation of the factory performance characteristics of the powertrain.

Before installation, it is recommended to perform a standard verification of the condition of the connection surfaces, lambda sensor threads, and housing tightness to ensure trouble-free operation after replacement.

Benefits of using an original BMW catalytic converter

Choosing an original catalytic converter for the BMW F20/F21/F30/F31 with the B38 engine brings a number of practical advantages:

• retention of factory torque and power characteristics,
• compatibility with stock engine control software,
• secure fitment to brackets, shields, and other exhaust elements,
• reduction of the risk of OBD diagnostic issues related to exhaust emissions.

For users who are considering exhaust system modifications or want to better understand the differences between stock and sports solutions, the article on our blog may be useful: Performance exhaust system: used manifolds and sports catalytic converters on the road.

BMW exhaust system expansion

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other elements from the same group, such as further exhaust sections, mufflers, or additional converters, check the available parts in the BMW Catalytic Converters category.