Vanos E39 M5

[Andyt25]

Sorry for my ignorance on this but just after some advice....It a car has had it Vanos sorted could it go again....if done under warranty was there an upgrade that would stop it happening again or is there a chance it could still go.

[Neil.D]

Hi Mate.

Yes there is never a guarantee it will be a long term fix when it is done. People often spend thousands after a diagnosys but more often than not the issue is more specific rather than a generic 'Vanos'

There is a circuit board that sits on the back of the solanoids which can crack with the heat created by the engine. This can be repaired with a soldering iron or sometimes it is a specific solanoid that failes - there are 4 per bank)

So....with a little time and patience it is possible the cure the problem at a fraction of the cost if you are willing to take a little time and care to take things apart.

In fact exposing this 'problem area' is quite easy. You just need a torq set, a torque wrence and some pliers. Thats it.

[Andyt25]

Cheers Neil thats a great help.

[M5 Russ]

These cars have nowhere near the problems of say the e36 M3 vanos problems. There are plenty of 100k plus cars out there that have never had vanos problems.

[Andyt25]

Thats great to know....The car I'm looking at had the Vanos sorted under warranty at 36k...the car has 55k on hwr now. As per other thread it's a pre face lift in stunning condition.

[ukwill]

Andyt25 said:

Thats great to know....The car I'm looking at had the Vanos sorted under warranty at 36k...the car has 55k on hwr now. As per other thread it's a pre face lift in stunning condition.

In most cases Vanos's were replaced under warranty as the stealer stood to make money from the repair. I think what Neil has said is correct - in a very large amount of cases, it isn't a complete vanos failure.