BMW E90 335i N54 Turbo Wastegate Rattle Low RPM
A rattling noise from the N54 twin turbo at low RPM under light load indicates worn turbo wastegate clips. The wastegate flap loosens over time. Wastegate clip replacement costs £100-300 per turbo. Ignoring the fault causes progressive wastegate wear.
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 3 Series 2007 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
Deneyiminizi paylaşarak diğer araç sahiplerine yardım edin.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.