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Audi Performance & Racing was founded in 1997 by Brett Augsburger and Stephen Hooks, automotive engineers looking to offer aftermarket upgrades for Volkswagen Auto Group cars. Their first product was an ECU software upgrade for the 1997 Audi A4 1.8T, but the company soon expanded its product line to include exhaust and turbo systems. [2]
An Audi A4 quattro with MTM engine won the 1999 24-hour race at Zolder. The MTM Audi 200 quattro turbo reached notoriety at the "Fan Project Nürburgring", a 24-hour race at the Nürburgring. At the 2006 24-hour race at the Nürburgring , Heinz-Harald Frentzen , Dirk Müller , Marcel Engels and Dominik Schwager started with an Apollo .
Today, the term chip tuning can be misleading, as people will often use it to describe ECU tuning that does not involve swapping the chip. Modern electronic control units can be tuned by simply updating their software through a standard interface, such as On Board Diagnostics. This procedure is commonly referred to as engine or electronic ...
Nearly exclusive to the European market, Volkswagen AG subsidiary Audi AG also used the Digifant system, namely in its 2.0 E variants of the Audi 80 and Audi 100. Digifant is an engine management system designed originally to take advantage of the first generation of newly developed digital signal processing circuits. Production changes and ...
What made this ECU special was the use of two crank sensors and one cam sensor. The ECU used one crank sensor to count the teeth on the starter ring for its RPM signal, and the other read a pin on the back of the flywheel for TDC reference. This ECU was first seen when the 20V turbo 5-cylinder engine (RR Code) was installed into the Audi Quattro.
An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.
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