Close

2004 BMW 645Ci Problems

RepairPal has identified the most common problems with the 2004 BMW 645Ci based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

No_car_image
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
Get a Repair Estimate For Your 2004 BMW 645Ci
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
2
Known Problems

If the brakes are squealing, there's a good chance it is the brake pad wear sensor. A new design was implemented in January 2006 and can be identified by its green color.