B0449 DTC For Bmw S3

Bmw S3 Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposed Cylinder Engine
Engine Air Intake Process :Naturally Aspirated

Your Bmw S3 engine control system detects a problem, the computer stores the diagnostic trouble code B0449 in its memory. To figure out what is wrong with your vehicle you must first extract the B0449 DTC For Bmw S3.

On 1999 and later B0449 Bmw S3 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

B0449 Bmw S3 DTC Meaning

B Body Code - Problem is antilock brake system, electronic suspension and steering systems.
0 SAE - Generic
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
4 Control Module Throttle Actuator Position Performance
9 A/C System High Pressure High Temperature

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the B0449 Bmw S3 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

B0448 DTC (Previous DTC Code) ( Next DTC Code ) B0450 DTC
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