ok so am doing a full bumper and moulding swap, S5 onto an S4
my 10AE bumpers and half of the trim is on but i ran into a problem with the 4 pieces that dont snap into the holes like they do on the S5, so i bought some adhesive to put the 4 last pieces on and since i dont drive the car much after a week or two i looked at it out in the garage and noticed that the adhesive that i used did not hold at all, as the 4 pieces that dont clip in on an S4 wer falling off or not staying flush like the others....... so my question is, what is your recommendation to use to get the pieces to stay and not worry about them coming off even at very high speeds/or vibration or cold weather??
please help..... brand and type would be very helpful

 

3M makes double sided trim tape that is stronger than the materials it holds.
Seriously, once applied, it's ferociously grippy and is what many OEMs use for just the purpose you intend.

 

As above, 3M makes this nasty white double sided tape that is irremovable.

We use it at work when we need something to never come off. Problem is, if you need to remove it, it isn't coming off.

 

which pieces are you talking about? the doors and small piece behind the door?
the 3m double sided tape is very strong, BUT only if you have the car, and the moldings 1000% clean before applying it, and make sure you apply it in a warm garage, not out in the cold. This means dirt and especially the adhesive on the car from the s4 moldings. Clean as in down to the paint.

 

yes i cleaned it very well, i will have to see if i can find some of that stuff, and will have to turn on the heater in the garage too cause its COLD out there lol