Genuine BMW M3 Fuel Level Sensor

BMW M3 Fuel Level Sensor Parts Questions & Experts Answers

• Fuel Level Sending Unit Left
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  Q: How to test the fuel level sensor on BMW M3?

  A:

  To test the Fuel Level Sensor, remove it as described, then temporarily reconnect the electrical connectors, turn the ignition switch to ON position without starting the engine, and move up and down the sensor float while watching the fuel level gauge. The gauge should follow the movement of the float. If fuel volume is 1.7 gallons (6.5 L) or less than that, then reserve contact is functioning well. Ohm meter can also be used to check actual float resistance for E36 models. The sensitivity to sensor resistance varies with model and production date. Removal and installation procedures are different on E30 models, E36 models, and Z3 models respectively. In all cases, this generally involves disconnection of negative battery cable followed by emptying of fuel if tank level is high; removal of rear seat cushion in order to get access to fuel pick up assembly; drive-by-wire plugs and fuel lines disconnections; removal of assembly itself among others. After that replace sealant as well as mounting ring before fitting in place; install assembly; connect wires together with their lines with petrol channels; fill up tank with petroleum thereby joining back a minus terminal wire into its socket-this is what any type will need during this period! However, if any part shows signs of being faulty, you must replace an entire unit since no one component on it is repairable at all! So after fixing up this device please first ensure that it functions correctly again - meaning everything must be fine enough apart from hidden leaks which must now be removed once they appear. On Z3 models passenger's seat has to be taken off thus making it easier to find perforated part in carpet over console behind back end seating area where we can open out a trapdoor leading directly towards gasoline storing compartments amongst others.