I have the same code on my 335i. I removed the pump. All the connections looked good. No rubbed thru wires or cuts. The pump can not be taken apart. Someone on here said they removed theirs and opened it up and lubed it. Definetly not possible. Mines a 2007 and his is a 2006. So maybe thats why.
Immgoing to order a new bosch pump off ebay soon. Its about $70 shipped so not too bad. I just hope its the pump and not something else.
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