BMW 323i E90 N52B25 Vanos Tick Startup Diagnosis
BMW
3 Series
2005
N52B25 2.5 177PS
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Urgency Level
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VANOS tick on E90 323i N52B25 at cold startup that clears within 60 seconds indicates worn VANOS solenoid seals. VANOS seal kit replacement costs £150-300. Do not confuse with timing chain tensioner noise which persists longer.
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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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