Quote:
Originally Posted by robertsen
Sorry for not putting on an update sooner! I actually never did the repair. My biggest issue was passing smog here in California. I ended up using 10/30 (vs. 5/30) oil and an additive. The smoking disappeared completely and it passed smog. It was never a performance issue just smog; my minor leaks went away also. I am personally going to continue to use this approach and change the oil more frequently.
As far as the repair goes, the biggest challenge for me was finding a proper manual with specs etc. I have a bently manual but it is absolutely zero help. I posted on their site but no help was suggested. I also paid for a 24 hr subscription to bmwtechinfo.com and it was no help either. I figured about 1000.00 us dollars including the required special tools.
Good luck to anyone with this engine! Also if anyone has any sources for a manual I would appreciate info.
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My 4.8is has just started billowing blue smoke when taking off after idling at lights etc only since last service. I'm guessing the previous owner might have switched to a heavier oil & an additive. Which additive did you use?
If we keep the car I'm going to throw an SC at it down the track so don't mid doing a head rebuild at that point, but right now i'm in the process of restoring 4 other cars, so would prefer to use a bandaid in the interim