BMW 320d 325d Diesel Injector Tick Normal vs Fault
BMW
3 Series
2005
M47/M57/N47
⚡ Quick Summary
Severity Level
Low
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟢 Low Priority
Diesel injector ticking on BMW diesel engines is normal and should not be confused with valve train noise. The tick is loudest at idle and reduces at higher RPM. Genuine injector fault causes rough running on one cylinder and misfire codes. Injector replacement costs £200-400 each.
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 3 Series 2005 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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