If you’re a diehard N54 enthusiast, you know that there are very few aftermarket intake manifolds available for us. Lucky for us, the Doc Race Intake Manifold is a great…
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…
I finally strapped my 135i onto the dyno after fine-tuning the new single turbo setup and am thrilled with the results. I did a handful of pulls at various power…
I want to kick off this post with a reminder that I’m installing the Doc Race single turbo kit outside of the car on an engine stand. Part of the…
Walnut blasting is one of the most common maintenance tasks for the N54 engine to remove carbon buildup from the intake valves. Some shops or dealerships charge an arm and…
A handful of people have asked me “why go single turbo now, after having upgraded twins?” Well, here is my justification with video and picture evidence.
After “sending it” at 30psi for a couple hundred miles, I developed a misfire. I narrowed it down to cylinder 3, but wasn’t sure if it was plugs, coils, injectors,…