1998 Bmw M340i: Egt Gauge Exhaust Gas Temperature Probe Placement Runner Temp Sensor For E90 335d F30 328d F25 X3 28d E70 X5 35d

Author Dalbo 03 Jul 2026

This video reviews important guidelines and considerations when. There is a significant temperature drop across the turbine wheel so the reading post turbo can't directly be. By choosing the right mounting method, placing the probe correctly, and following wiring best practices, you’ll get accurate, reliable temperature data that can make the difference between winning a race.

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1998 Bmw M340i: Egt Gauge Exhaust Gas Temperature Probe Placement Runner Temp Sensor For E90 335d F30 328d F25 X3 28d E70 X5 35d

The exhaust gas temperature is lower the further from the valve, thus leading to slower and less accuracy in egt probe readings If you have the probe and the ecu supports it without sacrificing another sensor,. However, probe installation further away from the head is typically.

The egt sensor should be placed close to the cylinder head exhaust ports and before the turbocharger

Typically we tap the exhaust manifold with the 1/8 npt tap and thread the egt sensor directly into. Place the probe in the header as close to the head as possible The six cylinder guys should be able to tell you which cylinder runs the hottest, so you can put the probe next to that one. Try and avoid mounting the probe in the collector as these tend to be the hottest part of an exhaust system