BMW E60 5 Series N47 EGR Valve Fouling
BMW
5 Series
2007
N47 2.0d
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
Carbon fouling of the EGR valve on N47-engined E60 520d causes limp mode, rough idle and P0400-series codes. The issue is accelerated by city driving and incorrect oil specification. Clean as first step; replace if valve is mechanically seized. Cleaning costs £150-250 at an independent specialist.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this BMW 5 Series 2007 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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