Hi guys,Need some help and advise from all taiko2 out there.. currently im own 318 E46 with 1.9 cc. Using 18inch with 235/40 tyre.. Im thinking to lowered my car by changing the spring only but dunno which lowered spring is better..My friend recommand me Eibach n sparco.. which one is good? in terms of comfort n how much the lowered...Thanks guy..