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 | 17" SSR Type-C Semi-Forged Wheels | Black Grilles | Bilstein B14 | CDV | Quaife LSD | H&R Sway Bars | M3 Subframe Bushes | M3 Lower Control Arms | Bridgestone Potenza S001