vinkodex.
Known fault

M54: worn VANOS seals and a cold rattle

Typically between 60,000 and 150,000 km. It does not show up on every car.

expensive

severity

between 60,000 and 150,000 km

mileage

1

sources

1 source next to the write-up.

The fault

How you spot it

The seals in the camshaft adjuster (VANOS) age, and the rattling noise is most noticeable from cold, right after starting. The noise fades or disappears as the engine warms up.

With worn seals the cam timing becomes imprecise, which leaves the engine flatter low down and raises consumption. The fault appears between 60,000 and 150,000 kilometres.

Which model

Who it affects

The card opens the generation, the engine or the transmission.

Engines and transmissions

Checklist

M54: worn VANOS seals and a cold rattle

What you would check for this fault. Take it to the car.

Before you buy

Checklist

What you tick stays on this device only.

vinkodex.com · Before you buy it, see what can go wrong.

Sources

How we know

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms