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CSF B58 charge air cooler manifold in red installed in a Toyota GR Supra engine bay
Latest Cooling
Aug 6, 2026 13 min read

B58 Cooling Upgrades: How to Stop Heat Soak

Why the B58 heat soaks and what each cooling part actually fixes: heat exchangers, auxiliary radiators, oil and transmission coolers and charge cooler manifolds, with owner logs, fitment...

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BMW M3 G80 on a lift with the front bumper off exposing the S58 radiator and heat exchanger
Cooling
Jun 9, 2026 15 min read

S58 Cooling Upgrades: How to Stop Heat Soak

Which S58 cooling upgrade to buy first for the G80 M3, G82 M4, G87 M2, X3 M and X4 M: how the three cooling circuits work, heat exchanger and oil cooler options...

Alpine White BMW F80 M3 with the S55 engine, front three quarter view at sunset
Cooling
Feb 11, 2026 13 min read

S55 Cooling Upgrades: How to Stop Heat Soak

Why the S55 heat soaks on the F80 M3, F82 M4 and M2 Competition, which charge cooler, heat exchanger, oil and DCT cooler to buy first for street or track, maker test...