3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
OK, so I am in the market for an e30. I'm pretty sure I want a 325i, I was out looking at a 325is the other day and realised I have no idea what the "s" really will do for me. From what I've heard it has some suspension upgrades. I am planning on upgrading suspension anyway.
So I guess my question is this, What is the difference between a 325i 2 door with upgraded springs/struts and a 325is?
i also am confused is there an engine diffrence in the i or iS because i find nice lookin 325i coupes all the time but it hard to find a nice 325iS i've been looking to buy a 325i or iS just to have and drive on the weekends
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Originally posted by 545ismg@Aug 31 2004, 09:03 PM i also am confused is there an engine diffrence in the i or iS because i find nice lookin 325i coupes all the time but it hard to find a nice 325iS i've been looking to buy a 325i or iS just to have and drive on the weekends
The engine in the 325i and the engine in the 325iS are the same.
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Rusted, fallling apart Alpine White 1987 325iS - Gone but not forgotten
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Ima break it down for you right here real quick-like.
iS means that you have better rims(usually), better differential, better suspension(m-tech susp components, so upgrading isnt neccesary unless you plan on doing INSANE stuff, i have 207k and my suspension is fucking great, dont upgrade it unless you know how to drive)
and you get an OBC(on board computer) which can help a lot,
you also get the iS and M seats which are made by Recaro and are also really rare and freaking awesome.
also, read the Considering Buying an E30 Thread.
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ok hate to break it..the diff between i and iS are suspension ONLY...one of my buddies has a completely virgin 91"i" and the other has a virgin 91 "iS" (virgin=unmodified and purchased from an original owner) we put them side by side and went over them with a fine toothed comb...the differences were as follows...springs, shocks, front lip...seats....
THAT IS ALL
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the e30 sport seats and the M3 seats are not exactly the same. they are the same seat, but are upholstered and stitched together in completely different ways.
what the 325is has over the 325i is: LSD, sport seats, rear trunk spoiler, front lip, basketweave wheels, and obc. i dont think the suspension is that much better on the iS, the spring rates and ride height is close to the same if not identical and the dampers are the same. both use 51mm strut housings and same sized sway bars front and rear. the stock suspension on both cars is pretty soft and has alot of body roll, so you would deffinately benefit from a $1000 suspension upgrade down the road.
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