Stranger24 Posted May 25, 2024 Report Posted May 25, 2024 anyone knows calibration data for e36 bmw sensor part number 12621747281 which is bosch ? need this so ecu can be calibrated and read correct ect temp on e36 temp. have aftermarket gauge and using standard link setting temp is 20 degree out. found link below but not accurate http://www.m42club.com/forum/index.php?topic=18201.0 It is set to standard bosch but not correct Quote
Adamw Posted May 26, 2024 Report Posted May 26, 2024 It sounds like you are connected to the wrong sensor. The sensor for the ecu should have a white or blue plastic housing and it uses the standard bosch NTC calibration (2.5Kohm @ 20°C). The black one is for the dash temp gauge and that is 5Kohm @ 25°C, this uses the Hella 6PT calibration. Quote
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