No but if you have the PC version you may mod the game.
No
Sorry I do not replace sparkplugs.Take your 1999 BMW to a garage, they will do it for you.
If you want a full on racing experience with sick graphics i'd suggest GT5 but if you want all that and a 1st person Driving simulator id suggest TDu2 , basically TDU2 is the best
NO
1
You can find information about BMW exhausts from the user manual you got with your car, if you own a BMW. If you don't, you can either go to a garage or look on BMW's website for answers.
go to a garage
You need to get it re-gassed, at the garage
I think you have to be level 30 or 20.
it is avaiable in pakistan in my village
Yes they will take out some.
Its up to you really. The graphics will look the best on a PC, but xbox 360 is more a of social area on TDU2.