The BMW E46 M3 has an aluminum suspension for more precise roadholding and weight savings which is expensive to replace if damaged. The first E46 to roll out was the sedan, available as a 323i or a 328i. The 323i had a 2.5-liter (no, we don’t know why they didn’t call it a 325i) inline six making 170 hp while the 328i had a 2.8-liter straight s