Tried HERE for a dinner ordered 4 types of BKT, overall at 71RM. This is one of the best recommended Bak Kut Teh in Rawang area. 
Address: Jalan Mutiara 1, Rawang Mutiara Business Centre, 48000 Rawang, Selangor.
Restaurant Seng Ong Bak Kut Teh (成旺瓦煲肉骨茶)
Food ok, but quite expensive