I may have a problem with a clogged cat. If so, I think I’ll embark on some engine out preventative maintenance mentioned in this post http://audirevolution.net/forum/index.php?topic=3145.msg91288#msg91288. Are these the correct part numbers for the items that are known to be at risk of wear or are extremely difficult to replace?
[tr][td]Starter w/exchange, $75 core charge[/td] [td]07C911023HX[/td] [td]jimellis[/td] [td]$282.00[/td][/tr]
[tr][td]Roller or Idler, Relay Roller[/td][td] 079903341F[/td] [td]jimellis[/td] [td]$34.00[/td][/tr]
[tr][td]Tensioner Roller for Alternator Belt w/ Hardware[/td] [td]079903133R[/td] [td]jimellis[/td] [td]$126.00[/td][/tr]
[tr][td]Belt, V-ribbed[/td] [td]07L903137E[/td] [td]jimellis[/td] [td]$40.00[/td][/tr]
[tr][td]Water pump + thermostat assy[/td] [td]079121012B[/td] [td]jimellis[/td] [td]$404.00[/td][/tr]
[tr][td] [/td][td]079121013N[/td] [td]FCPEuro[/td] [td]$383.00[/td][/tr]
[tr][td]Coolant pipe seal (x2)[/td][td]?? 07L103121M[/td] [td]jimellis[/td] [td]$7.00[/td][/tr]
Is there anything else I should put on my list?