2008 BMW 328i E92 N52 Engine Lifter Ticking Noise With New Lifters Installed (failed fix by BMW?) -
BMW claims the new improved lifters solve the ticking / tapping noise which is caused by poor oil circulation within the N52 engine for model years 2006-2009ish via BMW's technical service bulletin ( SI B 11 09 07 September 2009 ). Google what is between ...