BMW Tuning Boxes – eBay UK Best Sellers

For BMW with turbo engine from the factory only. If your engine is using the original parts and/or it is still under warranty. A tuning box is an easy way to get a power boost. 

Please note. Tuning boxes only work with engines with a turbo from the factory. There are tuning boxes sold for non turbo engines. We do not recommend these products at all.