This shows the brake pad sensors as used in the 928 models. (different versions exist, front and rear)

Warning contacts front 928 GTS 928 612 366 00 WK 245 Set
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Technical Data:
Length L1= 320 mm
Number or sensors:  2 sensors, Left and Right
 


Warning contacts rear 928S4/GT/GTS 87-95 928 612 363 01 WK 176
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Technical Data:
Length L1= 540 mm
Number or sensors:  2 sensors, Left and Right