BMW e53 e60 e63 e65 Integrated Supply Module 'IVM' electronic control unit e66 Integrated Supply Module 'IVM' Brand NEW part with full 1 year warranty. BMW part# 12 52 7 510 638, check fit below. Genuine BMW part, recently made: not been lying around. NOTE: X5 fits 4.4i n62 and 4.8is only.