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.
📋 About This Fault
Real owner data for BMW 530i G30 B46 Carbon Intake Valve Walnut Blast on BMW 5 Series 2017 is collected here.
🚗 Can You Drive With This Fault?
No immediate safety risk has been identified, but the fault should be diagnosed and repaired at the next available opportunity to avoid escalation.
Repair / Solution
No confirmed fixes yet. Share yours below.
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