BMW M30 E32 E34 535i 735i late E34 89-91 179 E.A.T. Ultrachip performance Chip

BMW M30 E32 E34 535i 735i late E34 89-91 179 E.A.T. Ultrachip performance Chip

87-91 M30 cars with 179 ECU

91 octane

rev. limit increased