32+ Bmw N42 Vs N46 PNG . Jednak n43 z wtryskiem bezpośrednim nie był sprzedawany w krajach z paliwem o wysokiej zawartości siarki, więc n46 nadal był produkowany obok n43. The n42b20 engine got all modern system and technology in those days. Engine Timing Tool Kit For Bmw N42 N46 N46t B18 20 1 3 5 Z4 X3 Kkautostore from cdn.shopify.com The n42b20 engine got all modern system and technology in those days. The reason why i want to know is because the system has mechanical failure ( the exentric shaft is showing damage) replacing this costs only for. Reasons for this problem are the same as in bmw n42 and it is mainly connected with usage of low quality motor oil. Is it possible to program the valvetronic system away by a bmw e46 318ti n42 engine. Is it possible to program the valvetronic system away by a bmw e46 318ti n42 engine. The n42b20 engine got all modern system and technology i...