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Originally Posted by Flynn318ti  Hey I have a 318ti 97 m44 with 166000 mi on it and I'm looking for more power out of it. I am unsure weather to do an engine swap or a supercharger kit. Downing Atlanta makes a really nice supercharger kit you can find for about 1500 used. I think the motor can take it and I would rebuild the top end and put lower compression pistons in it so I wouldn't have to intercool it. But that would hurt the mpg more than a 325 or 328 swap. However the motor swap would be more expensive and labor demanding. What do you think, would I have to swap the tranny with the motor and how do you think the price mpg power and sound will compare. |
325/328 swap will always be more powerful and much more bang for your buck. The stock the 5 speed will work fine. Downing Atlanta is and always will be cool but it is not the most cost effective way to get power out of your ti. If you buy a wrecked car like Bimmertech did you have a good shot at ending up with a free swap.
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