I have the origanal stereo in my 10985 500sel the blapunkt woodstock sqr04 and i want to replace it with a pioneeer Super thunder3 (25wx2 15x4)i could not find any info on the blapunkt if you have any like the watts and what you think about swapping them i have 6 the origanal dash a 31/4 and 5 1/4 spakers and 2 8" 100watt sub woofers and any tips on how to get the current stero ( there seem to be no holes to pry it out) out and how to connect the new one