lookinf for some help

[Bigmarc]

im new to these forums, i just have a couple questions

1. im a new driver and ive been handed down my dads old bmw, its a 1983 528e. I was wondering if someone knew what the speaker sizes for both the front and back are. I THINK, they are front 4x6 back 6x9, but thats justa guess

2. this is a more serious matter that my father will probably fix but i was wondering, when i try to accelerate fast in my car and juice it like most bmw owners do, i get a noise and feel like it bogs down, it kinda of stutters and then goes. i know that their is no way to tell unless you're there but think it just needs a tune up?

thanks for your help, Marcus

[Torque]

you could solve the problem with acceleration by changing the fuel filter, spark plugs and wires.... maybe air filter. That would definitely give the engine a good tuneup (i dont know... maybe it had all the parts listed above changed recently)...