I buy a decent amount of parts there, ands so far so good. Lots of industrious salvagers sell parts on eBay. The transducer applied is permanent and enables load inspections and tightening throughout the life of the joint at any time with near perfect repeatability. You could pull one out of a salvaged Tesla (or any other make/model that uses a Bosch iBooster), buy a new one from a dealership, or order one off of eBay (that’s what I did). The bolts go through a development qualification process which is a non-recurring engineering activity that includes the i-Bolt design and excitation optimization, calibration and testing throughout the measurement range in terms of joint length, bolt bending conditions and measurement temperature range. LCT replicates the end user’s joint, generates the ultrasonic parameters and stores the ultrasonic signatures (including the zero load reading) of each individual bolt against their respective unique ID in the barcode embedded in the transducer. The end user fills out an Application Information Form (AIF) for each joint/bolt type. The given lug pattern is the same for different years of production and has never changed since the model came off the production line. Each bolt type and joint is first ultrasonically qualified by Load Control Technologies. The bolt pattern for a 2016 Porsche Boxster is 5x130. Unlike conventional ultrasonic, the technology does not require parallel surfaces and is independent on common transducer attachment procedures. The form, fit or function of the fastener is not affected or changed. The i-Bolt® Technology takes the end users’ fasteners and applies a permanent 2-D transducer (only 50 microns thick) at the top or bottom of each bolt. iBooster reduces the boost power so that the driver’s effort corresponds directly to the deceleration of the vehicle, FIGURE 3.
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