BMW X5 E53 3.0d Turbocharger Failure
The M57 turbocharger on E53 X5 3.0d wears at high mileage, particularly if oil changes were extended or missed. Shaft bearing wear causes whining under boost, oil in the intake and blue smoke. Variable geometry vane sticking causes limp mode before full bearing failure. Remanufactured turbo: £500-900.
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