Front camber is non-adjustable due to double wishbone design. I think you'll have to get adjustable lower control arms (camber kit) to adjust camber. Not sure if anyone sells for G30s, but I haven't really looked.
Mine also exhibits excessive scrubbing on the tire outer edges due to lack of negative camber while driving around corners very aggressively. My front camber is -0.7 degrees which is not enough for aggressive cornering on such a heavy car.
Just out of curiosity, what tires and pressures are you running? I have Michelin Pilot Sport 4S and ran 33 psi cold which I think exacerbated the issue. I bumped it to 38 psi cold and the wear has slowed down somewhat. I would try that.
__________________
2018 G30 540i xDrive M Sport | Carbon Black Metallic | KW V3 Coilovers | F90 Suspension | F90 Brakes | 20" HRE FF10 Liquid Black Wheels | Michelin Pilot Sport 4S Tires | Ivory White Dakota Leather | Carbon Fiber Trim | Executive Package | Bowers & Wilkins Diamond Surround Sound System | JL Audio 12W6v3 and XD600/1v2 | Ceramic Controls | BM3 Stage 2+ E50 ECU Tune | xHP Stage 3 TCU Tune | Dorch Stage 2 HPFP | MST Cold Air Intake | FTP Chargepipe | AA Catted Downpipe | Remus Catback Exhaust
|