More power please...

[457892345]

I'm in the process of improving my 135i coupe and now I have new wheels and suspension/arbs/quaife i've decided that next stop while I wait for m3 underpinning parts to arrive and be fitted is turn my attention to power mods.

All its had so far as a rather tame remap courtesy of previous owner, I'd like to up it as much as I can without ruining it or turning it into a dragster.

I'm not very well up on power mods but I dont think the stage 3 kits are particularly good value from what I've heard and a lot focus on exhausts but I don't want a "mcdonalds carpark" style exhaust. I'm also having it made into a quad exhaust soon and have elected to have a back box when they do.

Anyway, Which components should I buy to get max bhp gains or Is there a tuning company you can recommend to help me?

[Glenn63]

Mainly downpipe, fuel pump, turbo. Iv
an m140 but from what Iv read I think 135 will also need few other bits, intercooler maybe can’t remember. Williams performance are great drop him a message on FB he’ll send you in the right direction.

[Wolvesboy]

Hi,

There are plenty of websites etc about this with the basics explained.

Check out this link to see what you can do:

https://bmwtuning.co/build-500hp-n54-bmw-135i-335i...