Quote:
Originally Posted by DrachenWerks Kfz-Technik
By rated at 400-450 hp, do you mean that a B46 can comfortably handle 400 hp (crank) with forged internals and pistons as a safety measure? I'm curious as I'm new to this forum but have been in the process of starting my tuning company, so I'm just looking for second opinions before I proceed with anything crazy.
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I think what people mean here is that they
hope it is rated to 400-450hp (which is also an inflated number shown by those dynos to please customers). In reality, you will probably not see here anyone posting a story or a video "I've blown my engine because I'm stupid".
If you are looking at 400+ hp you probably should buy 6cyl engine. The amount of money to invest into 330i in order to make 400+ hp is just too much, and the risk to break something is too high.
For example, I did moderate Stage 2 and my engine mounts broke, had to replace them =(