Trust me. It is normal. It is the soot and carbon that cause the oil to turn black straight away. It shows the oil is doing its job.
05 BMW 130i M Sport | 6MT | BMWP Exhaust | SSK | BMWP BBK | 18" Matte Black GT-CX | Black Grilles | Bilstein B14 | CDV | Quaife LSD | H&R Sway Bars | Michelin PSS