Some pictures of M3 inlet ports and cams

[IWC Doppel]

I took a few pictures of an engine in strip down

Ports are good would benefit from a little care blending, chambers and heads look very nice indeed. Interesting that full throttle is past fully open. I wonder if anyone is clever enough to test the flow at angles other than perpendicular and dial in the best full throttle on the dyno

[Big Windy]

cool! is that your engine?

[IWC Doppel]

Originally Posted by Big Windy

cool! is that your engine?

Thankfully not ! I use my car every day !!!

I think I will wait until 3 years is up for warranty then consider perhaps a chip and airbox. I suspect something will have emerged as the CSL reputedly gave 460-470 with valves, airbox exhaust and remap .........