Most folks now know that carbon buildup on the valves in the R56 MINIs and Countryman is a real concern. This happens partly because of the direct fuel injection, and partly because of the PCV routing. While direct injection is great for efficiency, it means that fuel is no longer sprayed through the [...]
A hybrid battery is actually a combination of battery packs wired together. If one of the batteries in the series goes bad, the whole pack is rendered useless, and if you go to a dealer, they will want to replace the pack as a whole, which turns out to be a huge [...]
