it won't look odd, cos there are brackets to match the stereo head unit size to your car, only a few hundred dollars HK$990 (install cost at HK$180) plus the bracket cost, thus, that's probably everything fort HK$1400
https://hk.f1.page.auctions.yahoo.co...5?actsrch=srp3
BMW X5 Stereo In-Dash Kits - CARiD.com
you can even buy used one for a few hundred dollars, best to test before handing the cash, get the places in yuen long to install few hundred HK$
https://hk.f1.page.auctions.yahoo.co...3?actsrch=srp3
This one is even better, brand new sony, cd, usb, 3.5mm input, plus, for HK$990 , plus fitting cost HK$180 and bracket presumably at HK$200ish, that's HK$1400 ish for a brand new one
https://hk.f1.page.auctions.yahoo.co...5?actsrch=srp3
this is the shop address
G/F., Yen Hau Mansion, 108 Ting Fu St., Ngau Tau Kok, Kowloon, Hong Kong
富麗電訊音響 Fully Audio audio-security:香港第一車網