How good are used Bosch AFM's

[James Ma <jhma@domain.elided>]

> 
> My Milano 3.0 AFM, air flow meter, is acting up and I want to
> replace it.
> 
> I can buy a new one, $400, or a used one, $90.
> 
> Anyone has any advice on whether I should bother with a used
> AFM ?  Is a used one likely to fail fairly soon ?  What's
> the failure rate on these things ?
> 
> Does it matter if the used AFM comes from a 2.5 engine ?
> 
> Thanks.
> 
> James Ma
> 

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