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Black hole transients (BHT) are the only class of black holes (BH) which samples a wide range of accretion rates and accretion states during their month to year long outbursts. BHT classically show two types of outflows: collimated radio-jets ubiquitous during the canonical hard state and highly ionised X-ray winds during the soft state. We propose a combined XMM+NuSTAR monitoring campaign of an high inclination BHT to shed light on the evolution of the wind while the source transits through the intermediate states. [truncated! Please see actual data for full text]