Korean Used Car Acquisition Agent

I need an expert agent to help me buy used cars in Korea for personal use.
Looking to buy BMW 730LD series G11 (WITH NEW G12 LOOK FULL BODYKIT) 730LD

Key Requirements:
- Experience in the Korean used car market
- Negotiation skills to secure the best prices
- Knowledge of vehicle conditions and fair valuations
- Ability to communicate in Korean is a plus
- Trustworthiness and reliability

Please share your relevant experience and approach.