BMW 135i/335i Single Turbo

The Best N54 Single Turbo Kit for BMW 335i or 135i

I tried MMP Stage 3 twin turbos, but never felt the “wow” factor I was hoping for.¬†After worrying about wastegate rattle and smoking turbos for too long, I decided it was finally time to go big or go home. Meet the Doc Race N54 single turbo kit.

Once I decided to convert my N54 from twin turbos to a single turbo, I spend countless hours researching what kit I should go with, which parts needed to be replaced, what upgrades needed to be done, etc.

Untitled

To save you that same hassle, I saved my parts list and will share that below. With this complete list, I was able to safely make 749whp on the stock motor in my BMW 135i.

If you want to read about my journey converting my N54 to single turbo, read my previous post.

DOC RACE N54 SINGLE TURBO KIT

I ordered the Doc Race N54 single turbo kit with a 6266 turbo: https://docrace.com/collections/bmw/products/bmw-335i-n54-n55-single-turbo-kit

In my opinion, this is the best single turbo kit on my market. I would suggest upgrading to a ball-bearing turbo and adding the ceramic coating like I did. The fitment is perfect. This kit includes much more than others. The parts are top-notch quality. The serviceable areas (O2 sensors, wastegates, etc.) are easy to access. Their customer service is amazing. I could go on…

You can click each item below for a direct link to the product.

ABSOLUTELY NECESSARY ADDITIONAL PARTS:

tuning-night-2

TUNING:

Untitled

MY UPGRADES FOR HIGH HORSEPOWER:

Untitled

PARTS TO REPLACE WHILE YOU’RE IN THERE:

Untitled

TOOLS THAT MAKE THE JOB EASIER:

After putting a couple thousand miles on the exact setup above, I couldn’t be happier with my decision. The car makes great power and has been very reliable for me because of a diligent installation with proper parts. Cheers to another couple thousand miles!

Leave a Reply

Your email address will not be published. Required fields are marked *