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Old 12-24-2011, 06:06 AM
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Originally Posted by scottybooj View Post
I had an E46 323i. The 323 and 325 are the SAME engine. They only changed the model name to stop the confusion as the engines were 2.5/2.8 respectively. Later on they introduced a different engine.
Same displacement and similar design but the 325 had the m54 while the 323 was an m52tu. The 325 made more horsepower but had slighkt lass torque. I forget what all the differences are right now but the intake system was differnt and it had an electronic throttle and different pistons. The exhaust syst was also different. The main goal though was to lower emissions.
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