BMW 530i G30 B46 Carbon Intake Valve Walnut Blast
BMW
5 Series
2017
B46 2.0 252PS
Safe to Drive?
✅ Safe to Drive
Urgency Level
🟢 Low Priority
B46 in G30 530i accumulates carbon on intake valves above 80,000 miles. Rough cold idle and hesitation confirm the fault. Walnut blasting costs £300-500 at an independent BMW specialist.
Onarım / Çözüm
No confirmed fixes yet. Share yours below.
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this BMW 5 Series 2017 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
Explore more BMW models
📖 Related Repair Guides
Deneyiminizi paylaşarak diğer araç sahiplerine yardım edin.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.