i have a740i this code came up p0740 what would be the first thing to try to do .

Question

what is the first thing to look for on bmw 740i for a fault code of p0740.

Comments

just check transmission fluid level first, if fluid is ok, proceed to transmission harness

Answer 1

HI there

This code is pointing to a problem with the torque converter circuit. This could be caused by low or dirty transmission fluid or the solenoid itself.

P0740 BMW - Torque Converter Clutch Circuit Open

Read more: https://www.autocodes.com/p0740_bmw.html