A customer logged six back-to-back pulls on a tuned 2019 E63 S, stock vs. our Transmission Split Cooling kit. Divorcing the gearbox oil from the intercooler loop cut peak IAT rise over ambient by 36%. Full data and charts inside.
How much power is the M177 intercooler system giving up to heat soak — and how much can better radiators recover? We logged back-to-back 60–130 mph pulls in Texas summer heat, stock vs. our Stage 1, 1.5, and 2 setups. Full data inside.
