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E36General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.
The installation is done (look how wide those runners are in the 2nd pic):
And for when that one piece just won't fit in place right......
Everything is in and works great except I'm having a slight problem with the ICV losing pressure and causing my car to stall, but we're fixing that tomorrow morning. The DIY guide suggested 2-3 hours, but it took us about 5-6 hours to complete it, plus some time to run around and get parts. Some of those elbows are annoying. If anyone tries this conversion, buy the understeer conversion kit with all the parts in it... it's worth $300 to save you the frustruation and headaches we had.
There's a very noticable difference in performance up high, but I did lose a good amount of low end torque... however by me doing pulleys and fan delete at the same time, it reversed that loss into a bit of gain on torque too. I'm planning on dyno'ing sometime soon.
heh, i wish i had someone here to install everything for me! here, we are the ones who isntall all the upgrades/ mods for our friends! its crazy lol
Haha, Karl doesn't "install everything for me". He's a local guy who's opening his own bmw shop and does awesome work, haha. He's an active member of a few other forums and someone who is fair and you can trust on stuff. haha. Also as shown with this stalling issue, he stands behind his work 100%. I just got home (he fixed it this morning, replacing all the hoses), and it works great. Feels (and even sounds) amazing.
oh, well still thats pretty cool, because here if u dont know how to do it, take it to the dealer( and i doubt they will mod your car at all for you) and if they are willin gto do it they will charge way too much anyway lol
Originally Posted by c1apton
I keep forgetting that - I have a great memory but it doesn't last long
great mod harry. There is such a huge difference in runner size between the 52 and the 50. I don't see why you would loose torque at low end. Maybe someone can explain why this would happen. But either way, looks great and im sure you will be making a good amount more power up top.
1970 BMW 2002
Driven by skill, not money
"Real BMW's have round tail lights"
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you lose torque because the runners are shorter. That first pic is an optical illusion. The runners are the same cross section as the port on both manifolds. Shorter = more flow, more high end horsepower, less tq. The opposite is true for longer runners.