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+---- Thread: 2x N62B44 missfiring (/showthread.php?tid=56488)
2x N62B44 missfiring - BobbySD - 16-09-2019
Hi there,
 Ive got serious problem with 2x N62B44. Both are E65 745i.
Car #1:
Came with missfire at cyl8. Intake cam was damaged, changed, cyl8 running ok BUT cyl6 starts missfiring. Idle is ok. It start missfiring when flooring. If you push pedal more it start missfiring. Everything around ignition was checked or changed, cyl pressure is ok, injector ok.
Car #2: came running just fine. Problem was with oil consumption (valve sealing). Together with that timing chain was replaced and some other parts like water pump, radiator. 30 minutes after first start it runs smoothly and goes well. After that time missfiring cyls 5 6 7 8. All work mentioned on first car was done also here. Now it goes on all 8 cyls but I can hear random missfiring on idle (at exhaust).
On both I run out of ideas where can be a problem….
Thanks for any suggestions!
RE: 2x N62B44 missfiring - bmwcoder75 - 16-09-2019
My Money on intake manifold gaskets not put back properly on car 2...
RE: 2x N62B44 missfiring - BobbySD - 16-09-2019
unfortunately that was one of the very first thing checked and changed :X