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BMW 135i (N54)

5 Years of Ownership. From stock to 750HP. Maintenance, Modifications and more!

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Category: Maintenance

MaintenancePosted onJuly 26, 2018June 7, 2021

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…

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MaintenancePosted onFebruary 12, 2018June 7, 2021

How To Install a BMW N54 Single Turbo Kit (135i & 335i)

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…

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How-To GuidesPosted onJanuary 28, 2018April 16, 2020

How To Walnut Blast Your BMW N54 / 335i / 135i

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…

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MaintenancePosted onAugust 12, 2017July 30, 2019

I Blew Up My BMW N54 Engine – Removing & Replacing

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,…

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MaintenancePosted onJanuary 1, 2017July 30, 2019

Best Clutch Upgrade for BMW 135i & 335i (335is/550i Clutch)

2017 Update: This 335is/550i clutch setup held up great for 22k hard miles! I have absolutely no complaints. In June I decided to upgrade to MMP Stage 3 turbos and chase 700whp.…

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How-To GuidesPosted onMarch 9, 2016April 16, 2020

Tapping Intake Manifold for Larger Vacuum Line (N54 – TiAL BOV)

2020 Update: BMS now sells a plug and play kit that requires no drilling or the removal of the intake manifold. Since I had to remove my intake manifold while…

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MaintenancePosted onMarch 23, 2015July 30, 2019

BMW 135i & 335i – Serpentine Belt Issues with Fix! (N54)

A few weeks ago the car started making a squeaking noise. So, I popped the hood and started taking a video. Here is what I found: As soon as I…

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Recent Posts

  • How To Install Race Seats in BMW 135i / 335i – Corbeau FX1 Pro August 5, 2019
  • How To Install MaxJax Lift in Home Garage – Review, Mods & More June 13, 2019
  • XClutch N54 Twin Disc Review & Installation – BMW 135i & 335i (6MT) May 16, 2019
  • Doc Race Intake Manifold Install Guide & Dyno Results – BMW 135i & 335i (N54) August 14, 2018
  • The Best N54 Single Turbo Kit for BMW 335i or 135i July 26, 2018
  • Doc Race Single Turbo – BMW 135i & 335i Dyno Results! (N54) May 17, 2018
  • How To Install a BMW N54 Single Turbo Kit (135i & 335i) February 12, 2018
  • How To Walnut Blast Your BMW N54 / 335i / 135i January 28, 2018

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