BMW F18 5 series was commonly seen the failure, oil measure not possible, use the scanner or BMW diagnostic tool read the fault code is: CD9304-BSD communication fault. and the fault code can not be deleted. First step is to check the cables, exclude to cables failure. measure the BSD data line voltage. If all the cables in good condition, check the DME. If confirmed the DME failure, it can be repaired, And it' the Continental DME MSV90 common fault.
Should be very careful to open the ECU, I have to say this ECU shell is very tough to open, especially the back side, and very easy to damaged the inner circuit board. Most people damaged the inner board via open it, and the damage can not be repaired, so must be extremely careful and slowly with lots of patient.
I want to fix the dme with the same symptoms. I need a little more explanation. Please tell us
ReplyDeleteHi.. Can you guide me how to repair this fault?
ReplyDeleteGreat guide on BMW engine repairs! Many car owners overlook how important the cooling system is to overall performance. At Kwik Kar Auto Dallas, we often get questions about does the radiator affect the AC. The radiator plays a key role in keeping the engine and AC system running efficiently. Our Auto Repair Shop provides expert Car Repair Services and Vehicle Repair solutions, covering everything from routine Car Maintenance to complete Car Repair and maintenance. Whether it’s Automotive Repair Services, trusted Auto Care, or a professional Car Repair Workshop, understanding does the radiator affect the ac can prevent costly issues and keep your vehicle performing at its best.
ReplyDelete