M130 - 280 engine, main bearings differences?

recently, I ordered a set of new crankshaft main bearings for a 2.8 ltr engine ( M130 920 10 003758 ), part number 130 030 05 40
However, from re-reading the parts manual, it seems than engine 003758 actually would need part 130 030 00 40
Does any-one know if there's a real difference between these two?
The diameter is the same.
-- Martijn Tonies
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