BMW X6 F16 G06 M50d B57S Timing Chain Oil Interval
BMW
2014
B57S 3.0d Tri-Turbo
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
The B57S tri-turbo diesel in X6 M50d requires oil changes every 5,000 miles maximum. Cold start rattle above 150,000 km indicates chain guide wear. Cost: £2,500-4,000.
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 2014 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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