Sealey dieselpetrol engine settinglocking kits beltchain drive sealey vse6111 a petrol engine settinglocking tool kit from sealey suitable for a wide range of bmw 25 amp 30 chain drive six cylinder twin camshaft petrol engines kit covers n51n52n52k valvetronic and n53n54 direct injection engines and includes vanos alignment plates for these enginesoem tools 11 0 300 11 4 280 11 4 290 11 8 520 11 9 340 engine codes n52n52k b25a b25ao1 b25ae b25af b25be b2501 b25