Problems with bobines S2 ABY

[king]

Hello

My S2 has a problems with the bobine gallery.
I dont know the exact worth in english for bobine ,but i mean the 5 things above the spark pluggs.

One of two of the 5 doesnt work al the time, so that the car is driving on 3 or 4 cylinders.
I cant track the bad bobines down.

Now im thinking of replace 5 new ones, i have seen something on ebay.de but i dont know if this is the solution?

What do you guys think of the following item?
Should it be a right choiche?

http://cgi.ebay.de/Umuestkit-Zuendsp...713.m153.l1262

[Acidburn]

Hi mate - you mean the coil packs/bobines

[king]

Hi mate - you mean the coil packs/bobines

Yes thats the word, thanx

[Knight Rider S4]

POS units first check
does the problem start when the engine gets hot?

[king]

Last 3 weeks no problems at all, last sunday for the first time again and after sunday no problems.
But i want to put a RS setup in my car , and i want that the car is 100% ok before i begin with the setup.

What means POS by the way?

[Knight Rider S4]

Great read about the set up

http://www.sjmautotechnik.com/trouble_shooting/S4_Ignition.htm

[king]

Ok thanx for the info.
But im sure that the problems lays by the coil packs.
I used another coilpack from a engine thats lies still for about a year now, but everytime in boost the car is holding in.
Bad bobines i think.

I have put my own coil pack back on ,and the car drives ok.
But for how long, maybe another 3 weeks, maybe 3 days ,i dont know.

If the POS are the problem, then there dont must be any difference wich coilpack i use, i think.
Correct me if im wrong!

[king]

anyone?