Sealey petrol engine twin vanos service kit bmw m52tu m54 m56 sealey vse5906 for use with twin vanos variable valve timing units on six cylinder bmw engines designed for dismantling assembling and timing of the unit after engine overhaul repair work kit includes twin vanos setting tool sprocket chain assembly fixture and compressed air connector used in conjunction with model no vs4425 setting locking kit for engine timing sealey vse5906 petrol engine twin vanos service kit bmw m52tu