1999 E46 328 - I need technical info on the M52TUB28 engine

[hough]

Hi guys i give up trying to find a header with 2.25" outlets in rhd for my car so, can anyone please help i need some technical details on the M52tub28 engine, the info i need is

• Exhaust valve diameter
• Exhaust valve opening point (deg)
• Exhaust valve duration (advertised)
• Exhaust valve centerline
• Volumetric efficiency

any help would be great, so i can make my own headers.....

 

[hough]

please help

 

[Prince]

Sorry mate but I don't know. I'd assume that nobody else does either hence the poor repsonse. All I can do is say to maybe ask CA Technologies. Even they don't actually know they can usually help out. I've dealt with Roy a fair bit over the last few months and he's been very helpful to me.