Bmw 420i

[Jakefalzon12]

Hi

I have a bmw 420i and I’m looking to upgrade the engine pistons etc. has anyone made such upgrades and if so could you tell me what brands you’ve used and what sort of power your making .


thanks

 

[TCJBOLDIE]

Exactly why do you want to"upgrade the pistons" as fitting new pistons will not increase power UNLESS they give a higher CR or the engine is hi mileage ,worn and smoking.?