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2009 750i misfires and code CD9304
Hi, i have a 2009 750i with misfires, changed spark plugs and coils. still had misfires on # 1,3,4,5. changed injectors still have misfires mostly on #1 cylinder. also after changing injectors i have code CD9304, BSD (Bit-Serial Data Interface) bus communications fault Permanent, code will not clear but no other codes.changed #1 injector again but still have the same problem. Please Help
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