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Message: <blockquote data-quote="oscar" data-source="post: 166259" data-attributes="member: 2757">there are kits out there for the k4m engines, so in which case this is transferable to your engine blake. on the pricing side, i believe the kits themselves go for about a grand and if you can't do it yourself then it'll be another grand in labour costs to fit it. add on top of that the cost of requiring an aftermarket ecu to handle the boost, easily another grand to buy and then get that working + dyno time on top of that money. i've also seen a good few k4m turbo conversions on clios and lagunas, this works out to around the same price. it's six and half a dozen really. personally i think you'd be much better just to buy a megane F4R turbo engine and install that into your twingo. the engine should cost a grand, 500 to install and you can do all of the wiring yourself and this is also a direct swap. 225/230 bhp out of the box and with a remap you will easily sit at around 270 bhp. with a supercharger or turbo for double the cost and  not even close to 200bhp ...... you'd only wish you went down the megane route <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>