MOBO Model: H55M-D2H
Processor: Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz (4 CPUs), ~2.8GHz
Memory: 4096MB RAM
GPU: Zotac GT430
When i play bf3 the temp in HWinfo64 goes to core temp to 98c & cpu temp to 88c
if using a stock colling yes definitely high, and make sure reading software, try with other software such as tempcore, rel temp or aida64 or another, if all show approximately the same results, fix your cooler, change new one or replace thermal paste though more cold
i will try all 3 first in couple of minutes & let you know. I have tried ipdt tool which intel gave me which says it is running below maximum temp during their stress test. the results which i gave you are from HWinfo64
You will need to re-do the thermal paste if you do that. The stuff Intel uses is almost completely dry, which makes it impossible to reuse and (most) people here frown on paste recycling anyhow.
My experience with re-pasting Intel stock HSF is that it does not work, high temperatures come back within days/weeks. I would replace it with something like a Hyper 212+ or 212EVO if it fits with your board+case+RAM combo and not have to worry about the HSF loosening up anymore.