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11657635804 Turbo Turbocharger with Actuator Replacement for BMW 228i 320i 328i 420i 428i 520i X1 X3 Z4 2.0L TD04
A turbocharger, (or turbo), is a turbine-driven forced induction device that increases an internal combustion engine’s efficiency and power output by forcing extra air into the combustion chamber.
A turbocharger is made up of two main sections: the turbine and the compressor. The turbine consists of the turbine wheel and the turbine housing. It is the job of the turbine housing to guide the exhaust gas into the turbine wheel. The energy from the exhaust gas turns the turbine wheel, and the gas then exits the turbine housing through an exhaust outlet area.
Replacement for BMW
- 125i 220i 228i 320i 328i 420i 428i 520i 528i X1 X3 X4, N20
Reference OEM Number:
11657642469, 11 65 7 642 469
11657624535, 11 65 7 624 535
11657630462, 11 65 7 630 462
11657634486, 11 65 7 634 486
11657635804, 11 65 7 635 804
11658635804, 11 65 8 635 804
Manufacturer Part Number:
49477-02010, 49477-02011, 49477-02012
49477-02013, 49477-02020, 49477-02021
49477-02022, 49477-02023, 49477-02024
49477-02025, 49477-02030, 49477-02070
Turbocharger Failure Symptoms
- Oil leaks
- Smoking ex-haust
- Low boost pressure
- Limp model
- High oil consumption
- Play in turbine shaft due to worn bearing
5 Pins
Mel M
Reviewed in the United States on February 13, 2024
Original BMW turbo seized after 160K miles. The impeller and turbine wheels would not budge at all. Car would drive, but with noticeable loss of power and will throw drivetrain malfunction error eventually.Replaced the turbo with this and she’s back to normal. Get o - rings or new coolant and oil lines if you have tons of miles.
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