BMW E82 E90 E91 Turbocharger Exhaust Manifold 135i 335i Petrol N54 7649289

BMW E82 E90 E91 Turbocharger Exhaust Manifold 135i 335i Petrol N54 is an original component from the Turbochargers and parts group, designed for N54 petrol engines in BMW 1 and 3 series models. This used housing provides a solid base for professional turbocharger remanufacturing or replacing a damaged body, ensuring a proper fit for the factory forced induction system.

Specifications and technical data

• SKU: 7649289-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7649289
• Substitutable numbers: 7563685, 11657563685, 7649289, 11657649289, 4564710, 11654564710, 7593018, 11657593018, 4555418, 11654555418, 7583863, 11657583863, 7563692, 11657563692, 7649292, 11657649292, 4564713, 11654564713, 7563695, 11657563695, KD, 11657593015, 7593015
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and compatibility

The presented turbocharger housing has been designed specifically for the N54 petrol-powered unit, used in, among others, the sports versions of the BMW 135i and 335i. The design meets the manufacturer's factory requirements, which facilitates installation in place of the original part without the need for modifications to the intake or exhaust system. By maintaining OEM geometry, the housing allows for the correct seating of the rotor, exhaust vanes, and other turbocharger components, which is crucial for stable boost pressure and repeatable engine performance parameters.

Construction and technical properties

The turbocharger housing acts as a support for the entire forced induction assembly, responsible for the precise guidance of the exhaust gas stream and charge air. It is made of a material adapted to operate at high temperatures and under high mechanical loads, typical for high-output turbocharged engines. Key functional features:

• factory geometry of exhaust and air channels,
• mounting points for factory fixtures and connections,
• suitability for use in the turbocharger remanufacturing process,
• preservation of the original forced induction system performance characteristics. These parameters make the housing suitable both for service repairs and for rebuilding the turbocharger in specialized remanufacturing facilities.

Application in the N54 engine

The N54 engine is a popular, six-cylinder turbocharged petrol unit, frequently chosen by drivers expecting dynamic characteristics and high tuning potential. The BMW 135i and 335i turbocharger housing has a direct impact on the correct guidance of exhaust gases and the efficient use of gas energy in the turbine, which translates into throttle response and power stability across the entire rev range. A properly selected turbocharger body helps maintain:

• correct boost pressure in both road and track conditions,
• appropriate operating temperature for rotating components,
• consistency of parameters with the factory engine control unit map.

Characteristics of the used part

The item comes from dismantling, which means it is a used part that retains the manufacturer's original specifications. Such components are often chosen as an economical base for remanufacturing, allowing for a reduction in repair costs while maintaining factory fitment for a specific BMW model. In the case of turbocharger housings, it is particularly important that the body has not been subjected to unprofessional modifications – a used OEM element provides a good foundation for further processing, cleaning, and potential workshop machining in accordance with remanufacturing procedures.

Support in selection and additional information

Before purchasing, it is worth verifying the compatibility of the housing with the specific engine version and vehicle year using the OEM part number and available interchangeable numbers in the technical specifications section. This minimizes the risk of mismatch and speeds up the turbocharger system repair process. 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 turbine housings, hot side elements, or cold side components, check the available parts in the BMW Turbochargers and parts category. To better assess whether a new part or a dismantled element is a more favorable solution in your case, read the article New or used? A comparison of costs and quality of car parts, where you will find practical comparisons, examples of applications, and answers to frequently asked questions.