By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. A “Bosch ECU” in a motorsport context almost always means one specific thing: a unit from the Bosch Motorsport engine control unit…
By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. A complete Dynapack hub dyno for sale is a rare thing. This one is genuine — a 4WD Dynapack DAQ54 with the…
By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. After close to 25 BMW S54 builds — every one on an XTRA Motorsport loom, most of them tuned by me —…
By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. Most privateers run the free version of Bosch Motorsport’s WinDarab for one reason: the full Expert version used to mean a three-seat…
By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. A motorsport wiring loom — or race car wiring harness, as it is more broadly known — is not automotive wiring done…
Knock destroys pistons, ring lands, and bearing shells. The ECU’s knock control system detects it in real time and pulls ignition timing before structural damage occurs. Here is how the system works and how to calibrate it correctly. The Bottom…
By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport. There is one question that comes up at every build discussion, every tuner meeting, and every motorsport electronics conversation: which standalone ECU…
