I have a 20-year-old BMW which I am very attached to, but the engine was starting to let the car down. I know the straight 6 uses oil but mine was drinking it & starting to blow smoke out the back. After some searching, I came across Siam Autocentre (engine reconditioners). A small family run business specializing in performance engines, who when approached were straight up & honest. The first question I asked was what is the ratio for rebuilds to turn out to be pigs. Like I said got an honest answer & opted for the full rebuild, which for them was fairly straightforward. On completion, their road test threw up lots of unforeseen issues with the engine management. This ended up meaning they had my car for longer than expected, but give them their dues, they persevered & eventually got there. The engine is now better than new drives amazingly & I am one happy customer. A big thanks to the team great bunch of employees, first-class works at reasonable prices.