Welcome to Coombes Johnston BMW Authorised dealers for BMW in Hamilton (Waikato) and Tauranga (Bay of Plenty) Our dealerships are authorised to perform factory approved servicing and are able to keep your new or older vehicle in pristine condition using the latest technology by factory trained staff. We carry a wide range of pre-owned BMW vehicles as well as a selection of trade-in and other brand pre-owned vehicles available at competitive rates.