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@ Sean aka T_T:
I can respect your reasoning and conclusion that, in your opinion, an aftermarket catch can system is not needed except on 'highly' modified (as you have defined) cars. I would like to know your views on whether you think that having an 'unnecessary' catch can does any harm.
Thanks 
OK, . . . harm . . . Maybe sligtly . . . lets list:
- 1 - its an 'engine modification' - so it needs to be declared to insurance
- 2 - its a non genuine part - so will have warranty implications
- 3 - BSH (from what I can see - I could be wrong, so feel free to correct me) are NOT VAG specialists - so are less likely to be trusted (especially over any warranty 'disputes') over more recognised and established VAG specialist suppliers such as Revo
- 4 - it will increase your oil consumption - 99% of the oil collected in the catch can is highly likely to flow back into the sump in standard or mildly modified road cars
- 5 - it may have a detrimental effect on your valve stem oil seals - these are designed to be operated in an oily environment, so the catch can may be preventing one side of the seal from being lubricated - this can wear out both the seals and the actual valve guides, leading in the long term to burning more oil, loss of compression, loss of power
- 6 - they look naff - IMVHO
Discuss . . .
^ I've added numbers to aid discussion.
1 - Agreed. Mine is declared.
2 - I'm well outside warranty but of course this is a very relevant consideration for those who aren't.
3 - I'm not a fan of BSH and find them far too American nationalistic and lacking consideration of their products outside the bloody U S of A.
4 - Not bothered by extra oil consumption - It's replaced every 10k miles. Some people might be though.
5 - Such detrimental effect is of much more concern but I note you say "
may", so not 100%.
6 - Very subjective. I love my
over-engineered beautifully engineered Forge system.
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