The temperature sensor on a BMW 325i is located on top of the engine, near the upper radiator hose. It constantly monitors the temperature of the coolant and triggers the cooling fan as needed.
A 2001 BMW 325i has two coolant temperature sensors. They constantly monitor the temperature and adjust flow as needed.
that's a big negative
P2185 is ECT sensor high voltage detected. ECT stands for Engine coolant Temperature Sensor.
plugs into the rear differential
think you will find it under the drivers side bumper, it looks like a round disk.
Bolted into the bottom of the oil pan.
The oil pressure sensor on a 2004 BMW 325i is located on the bottom, right side of the engine. It is screwed into the block and has an output wire which sends information to the computer.
No, It will not affect the cars operation, It is more or less for an added feature on the car. Warhead325i
in the intake air box
The O2 sensor is in the exhaust pipe before the catalytic converter.
There is no dip stick all they have now is a low oil pressure sensor
If you have a 1989-1995 model 325i, the ambient temperature sensor should be part # 65818350779. Best way to see a picture is do a Google image search on the part number. It will look like a plastic piece, black on the probe portion, yellow on the plug-in portion, with 2 round electrical connector pins.