BMW G8X M2, M3 and M4 heat exchanger upgrade - Full DIY

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If you plan on upgrading your S58 intercooler, then you NEED to upgrade your heat exchanger as well. The intercooler is only half the system, and needs a superior solution to expel more heat, therefore cooler intake temps and better performance! I will walk you through every step you need to do this install, and get this critical work done.
Required parts and tools:
CSF S58 heat exchanger
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10mm, 13mm, 15mm, 16mm, 17mm (21mm for G80s) socket and wrench
E18 reverse torx socket
pick tool
plastic trim tool kit
Jack and jack stands, or Quickjack (highly recommend)
4 gallons of coolant
torque wrench
impact wrench
T30, T40 torx bits and driver or wrench
Coolant bleed directions:
Adjust the fill level in the coolant expansion tanks to the maximum mark.
Close the sealing cap on the coolant expansion tanks of cooling circuit.
Connect battery charger.
Activate testing-analysis-diagnosis (PAD) by quickly
pressing the START-STOP button three times.
Set heating to maximum temperature.
Set the fan to the lowest level.
Depress the accelerator pedal and maintain for 15 s;
do not press the brake pedal during this process.
The automatic cooling system bleeding procedure is
initiated. Step off the accelerator pedal, do not touch the brake pedal.
Depending on the equipment specification of the
instrument cluster (KOMBI), ("Service function
started") is displayed.
Once system says stopped, or pump has stopped operating (can take up to 11min) press the brake pedal.
Check fluid levels and top off if needed and repeat until the tanks are no longer low once the process is done.
*important* If using this process, I keep at least a half jug of coolant in my trunk. Check frequently over the next few days for tank levels and top off as needed.
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Thanks for watching and please try everything at your own risk. All work shown in best faith and effort, do this at your own risk.
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