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The G8X would actually be a lot cheaper to track, lol.
It's already FAST AF out of the gate; OEM comp suspension is great, and the M Diff is a GAME CHANGER if you have that.
To run a G8X, you're probably just looking at regular maintenance:
- Oil changes
- Fluids
- Tires
- Brake pads
- Brake rotors (2pc design so cheap to do)
example: a stock rwd G8X m3 runs easily 1:57s at buttonwillow CW13 in socal.
a G8x m3 with 200tw, lowering springs, and SPL arms with full interior will run low 1:55s...
the E9X m3 will require SOOO much to get even run similar to those times.
A track E9X M3, to be "fast," you're talking about:
- Stripping it down to sub 3200lbs.. even lower if your willing too go sub 3000lbs
- Drexler rear diff
- Decent set of one-way coilovers.
- BBK in front (yes, you can run OEM, but over time a BBK makes more sense due to rotor replacement cost)
- Solid rear diff bushing is a must
- SPL arms if you feel like you need them, but at the very least some type of monoball for the control arms
- A bucket seat (OEM seats suck ass on track)
You can easily turn a $25K E9X M3 and add $15-20K worth of parts, lol, just to make it "competitive."
But if you don't mind being down on power and other stuff... just tires, brakes, and fluids will suffice.
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