Which sensors should be tightened and checked for a better performance?

Asked by Carell Mar 08, 2020 at 08:32 PM about the 2005 BMW 3 Series 325xi Sedan AWD

Question type: Maintenance & Repair

Which Sensor in the BMW controls the
overall power and drive? Which sensors
should be daily checked and tightened?

1 Answer
40,280

TDolby answered 4 years ago

Sensors should be connected properly and won't come loose. Upstream O2 sensors will need changed at some point, especially over 100K miles. Others one, change when needed and when you have trouble codes.

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