Quote:
Originally Posted by Kong Sheng Han
This is wrong. It's usually cars that are constantly launched hard from a stop that experience subframe mount issues. The forces from a hard launch are higher than any stressing you'll see at the track. I would still reinforce the subframe mounts.
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I'm not wrong. You literally agree with me that it should still be reinforced. Subframes can break from normal street driving; albeit consistent hard launches do increase the likelihood of a tear. I've owned multiple e46s since 2004 (still owning my original) and went through this issue before any mods or track time. Its just a weak point on the car that should be taken care of, whether you have 20k or 200k on the car.