Anyone got any tips to remove dirt from the grain of Cars

[TheRacePlace]

i always have the problem of the dirt remainin in the grain

I am constanly cleanin the same part of the car 3-4 times


Any sugeestions
Thanks Guys

C-cup!!

[shark]

Ive used WD40. Spray it on the part brush it in then either wipe off or leave to dry

[TheRacePlace]

ok i will give that a try

[Ian F]

Spray with GT85 and let it dry, brings the plastic up like new

[mark christopher]

ultrasonic bath, brings it up like new with no residue on it