So more or less I am looking at New Rods Low Compression Pistons Head Studs Bigger Injectors Link Plus ECU They should be double valve springs as stock. Will I need to swap out the valves or cams, or should I be able to hit my power goal with the above? I had heard that the rods in the non vanos M50 ...

Will the stock rods not hold up to the task?

Would some low compression pistons improve its reliability by alot?? Is there anything else I'd need to replace on the bottom end?

Sorry for being in english guys If someone could point me to a good online translator that'd be great Anyway, I have a E34 M50B25, reads around 190-200psi compression across all the cylinders, so seems in good order. How much can I boost this engine on stock internals? I'd like around 500rwhp. Is ...