Parts & Accessories Spare parts Peace be upon you, as clarified in the advertisement. Intercooler upgrade for sale. For most BMW 40i series cars with B58+B48 engine. Such as 740 - 730 - 540 - 530 - 520 - 440 - 430 - 340 - 330 - 320 - 240 cars. The intercooler is new and unused. Of course, the intercooler is much better than the agency's in terms of modification or if the car remains stock, better cooling.