For OE number 6260300103. A common approach to lubricating a powerful engine is to use as thick an oil as is available, but that adds to the internal resistance as the engine has to work harder to move the oil.
Apec Crankshaft Pulley - TVD - with Screws - ATV1129 - Fits BMW - OE Quality
Apec Crankshaft Pulley - TVD - with Screws - ATV1087 - Fits BMW - OE Quality
Apec Crankshaft Pulley - TVD - with Screws - ATV1130 - Fits BMW - OE Quality
Apec Crankshaft Pulley - TVD - with Screws - ATV1096 - OE Matching Performance
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