BMW M4 Comp (S55)

[throwerp]

What's the best aftermarket charge cooler to go for (S55 M4)? There seems to be numerous aftermarket charge coolers out there ranging from £350 (pumaspeed), to £1300 (airtec) up to £2000 + for a forge motorsport one or one from CSF at a similar price!
The car's had a stage one remap so temperatures aren't that much higher than standard!
Any advice would be greatly appreciated, thank you!

[toasty]

You're probably best off asking on the M3Cutters forum as they're more focused on the M3/4s and some do a fair bit of tuning.