Double Vanos - why so crap?
Double Vanos - why so crap?
(OP)
Why do so many BMW Double Vanos system fail at approx 70,000 miles - I have been told it may be as high as 25% to 50% of all M3 Evo engines and costs about £1200 to £1500 to fix!!!
Brian
Brian
Do it right or don't do it at all.




