Compactlife 3 Report post Posted August 7, 2015 Hi guys,The noise that you here from this video has been persistent for weeks now.I've done a bit of research and it could be a number of things,oil pump, vanos , hydro time tensioner.Any ideas ? Quote Share this post Link to post Share on other sites
zero 1162 Report post Posted August 7, 2015 Sounds just like a n42/n46 motor - they are noisy and very picky on correct oil and regular maintenance. 2 Quote Share this post Link to post Share on other sites
B.M.W Ltd 950 Report post Posted August 7, 2015 Sounds like the spragg clutch in the alternator pulley is seized causing the belt tensioner to vibrate and rattle. Get it seen to before the tensioner bearing flies to pieces. You will probably need a new pulley, tensioner and idler to fix it. Special tools are required to change the spragg pulley 3 Quote Share this post Link to post Share on other sites
Compactlife 3 Report post Posted August 7, 2015 Will look into it ! How much do you think the repair would cost with labor ? Quote Share this post Link to post Share on other sites
hotwire 352 Report post Posted August 9, 2015 Will look into it ! How much do you think the repair would cost with labor ? Botany Motor Worx | 0800BMWLTD | Ph.(09) 272 2546 | Fax.(09) 272 2547 4 Quote Share this post Link to post Share on other sites
