Dinan High Performance Heat Exchanger - 2015-2021 BMW M2/M3/M4 F80/F82/F83/F87 65.10.59 E chassis vehicles use the

E chassis vehicles use the M12x1

Reduces weight by 32% over stock (Plastic version)

and TT RS 8S

running this kit without an intercooler would have been considered suicidal due to the extremely high 11

Dinan High Performance Heat Exchanger - 2015-2021 BMW M2/M3/M4 F80/F82/F83/F87 65.10.59 E chassis vehicles use theF80 F82 F83 F87 Heat is the enemy of performance. Keep temps down and performance will go up as a result of increased efficiency. It's really as simple as that. In stock trim, testing made it painfully obvious that cooling was going to hold an even more vital role on the F8x (S55) platform to achieve maximum results. The stock cooling system heat soaks after only 3 pulls and allows the engine air intake temperatures (IAT) to rise dangerously. The ECU