Most Common Car Issues

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MOST COMMON PROBLEMS

BMW 740i 2017

The 2017 BMW 740i xDrive is a luxurious all-wheel-drive passenger car offering a robust 3.0L engine with 320 horsepower. It seats five comfortably and comes standard with safety features like ABS, Dynamic Brake Support, and a backup camera. Optional safety features include Lane Departure Warning, Forward Collision Warning, and Pedestrian Automatic Emergency Braking. With a top speed of 130 MPH and an 8-speed automatic transmission, this BMW combines performance with elegance.

Spec:

Dynamic Brake Support (DBS)

Standard

Engine Brake (hp) From

320

Engine Number of Cylinders

Problems:

Dynamic brake support (dbs) malfunction

The system may fail to engage or disengage properly, leading to decreased braking efficiency.

Engine misfire

Misfiring cylinders can cause rough idling, poor fuel economy, and reduced engine performance.

Turbocharger issues

If equipped, the turbocharger may suffer from lag, reduced boost, or failure, affecting acceleration and power.

Timing chain failure

Timing chain problems can lead to engine misalignment, causing severe internal damage if not addressed.

Oil leaks

Common in BMW engines, oil leaks can lead to decreased lubrication and potential engine damage if not promptly fixed.

Cooling system failures

Problems with the radiator, thermostat, or water pump can cause the engine to overheat, leading to potential engine damage.

Fuel injector problems

Faulty injectors can cause poor fuel delivery, leading to engine misfires and reduced performance.

Electrical issues

BMWs can suffer from various electronic problems, including faulty sensors and control modules, which can affect engine performance and drivability.