BMW X3 Buying Guide
4 Known Issues to Check
We track 4 known issues for the BMW X3 in the Australian market. 2 of these are high severity and could result in significant repair costs. Check the details below before buying.
Known Issues
Timing chain and guide wear on N20/N26 turbo 4-cylinder engine
HIGH"Any rattling noise on cold start or at idle? Has the timing chain guide been inspected? Full dealer service history?"
Electric water pump failure — can cause overheating with no warning
MEDIUM"Any overheating warning? Has the water pump ever been replaced? Any coolant loss or temperature fluctuations?"
Oil filter housing gasket leak — oil leaks onto serpentine belt and engine bay
MEDIUM"Any oil smell after driving? Oil spots under the vehicle? Has the oil filter housing gasket been replaced?"
Rear-mounted timing chain failure on N47 diesel — can cause catastrophic engine damage
HIGH"Any rattling or chain noise from the rear of the engine? Has the timing chain been replaced? Full service history?"
Questions to Ask the Seller
Use these questions when inspecting a BMW X3:
- 1 Any rattling noise on cold start or at idle? Has the timing chain guide been inspected? Full dealer service history?
- 2 Any overheating warning? Has the water pump ever been replaced? Any coolant loss or temperature fluctuations?
- 3 Any oil smell after driving? Oil spots under the vehicle? Has the oil filter housing gasket been replaced?
- 4 Any rattling or chain noise from the rear of the engine? Has the timing chain been replaced? Full service history?
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