Open Config.plist with Clover Configurator
Under Devices, go to Properties, look for PciRoot(0x0)/Pci(0x1c,0x02)/Pci(0x0,0x0) and delete it
Go to Kernel and Kext patches, and enable DellSMBIOSPatch
Save file
Add AirportBrcmFixup.kext to /EFI/Clover/kexts/Other for wifi
Add BrcmFirmwareRepo.kext & BrcmPatchRAM2.kext to /L/E for Bluetooth
Repair permissions and rebuild cache
Reboot