Quote:
Originally Posted by Biginboca
If the car is more of a plaything I agree with Torgus . I’m really enjoying my high redline and n54 mani on my n52. The novelty has worn off a bit and I have other cars to drive but I’m still driving the 328i almost daily... and hitting 7500rpms daily cause it’s a ton of fun.
Also like I keep telling you guys... DIFF SWAP  . I would still do this with any other mods F/I or any manifold or anything it’s all good. This is why American muscle cars always had the 3.73 or higher (4.10 or even up to 4.56 and 4.88) final drive on the performance upgrade packages. It’s just better, end of story. Gas mileage be damned lol
If you run a $200 take off 3.73 on your MT car you will be getting to redline much quicker and enjoy rowing those gears more. And 15% more torque is a good thing too... and if you have an auto... well I still like you but I’m not talking to you 
And look where the revs land after every shift. Each gear shift lands the Revs 5000-5500 in the next gear when shifted at redline so why would I care about a little less power below 5k if it’s a car I want to power mod and have fun in? If I’m grandpa driving at 2500 Revs I don’t really need more power...
** this video is 3.91 and 7500rpm redline but I checked my old video of 7000rpms redline and 3.73 diff and it lands pretty much same around 5k rpms and above. |
Amen. Gearing alone can change a car so much.
If you want to hoon around town a diesel e90 tuned and deleted or an n54 fbo is what you want in this chassis. Gobs of low end tq falls off at redline. The opposite of a traditional bmw engine.
Gas is cheap as you said f mpg. You are adding an aftermarket expensive supercharger onto your bmw and are going to worry about mpg? The n54 100% e85 guys get like 12mpg.
Run meth and boost away I say. You could do an intercooler intake manifold but the cost would be prohibited for the gains vs. Meth.