N15 Design E46 M3 Lower Fender Vent

N15 Design E46 M3 Lower Fender Duct Install DIY

There are a few options for fender ducts but to be frank, I don't really like most of them. I love the functionality…


E46 M3 Oil Level Sensor DIY

The E46 M3 oil level sensor is super easy to fix so don't get lazy and avoid it if you're having issues. The symptoms…


E46 M3 Throttle Body and ICV Cleaning

E46 M3 Throttle Body and ICV Cleaning DIY - Solve Your Rough Idle Issue

If you're running into idling issues on your E46 M3 a dirty throttle body or idle control valve (ICV) may be the…


E46 M3 S54 VANOS Oil Feed Line DIY

The E46 M3 is starting to see more track duty now so I decided to replace my S54 VANOS oil feed line so I can lessen…


E46 M3 Fuel Pump DIY - Radium Walbro Kit

E46 M3 Fuel Pump DIY with Walbro 255lph & Radium Sleeve

UPDATE: THERE HAVE BEEN MULTIPLE CASES WITH USERS EXPERIENCING MELTED WIRES ON THE RADIUM FUEL PUMP KIT. PLEASE READ…


E46 M3 Bosch HID Projector Retrofit G5-R

DIY: Bosch E46 M3 HID Projector Retrofit With G5-R Brackets

The stock E46 (including M3) headlight output can be improved drastically by doing a HID projector retrofit. Why is it…


E46 M3 Brembo 996 E31 Brake Retrofit

DIY: How to Paint Brake Calipers Brembo Red

I recently did a brake upgrade article on the E31 and 996 calipers for the E46 M3 and I thought I'd do a DIY on how to…


E46 M3 Brembo 996 E31 Brake Retrofit

E46 M3 Brembo E31 996 Big Brake Kit Retrofit DIY & Guide

Buildjournal E46 M3 Brembo BBK Retrofit The "Buildjournal" E46 M3 Brembo E31 996 big brake kit retrofit improves…


E46 M3 Water Pump DIY Guide

E46 M3 Water Pump DIY ft. Thermostat, Sensor, Fan Clutch, Coolant Flush

Cool down your E46 M3 water pump In this DIY we'll be going over the procedures for a cooling system overhaul for the…


Diagnose Check Engine Light CEL Error Code

How to Read & Diagnose Check Engine Light and DTC via BMWLogger

Check engine light, check engine now We've all experienced that annoying CEL light that pops up and immediately we…


How to Flash Bin - Buildjournal

How to Extract & Flash BIN File with BMWFlash

Flash your tune for free Many of you probably heard about people "flashing" a tune on their car and while some of you…


Rear Spring Perch Reinforcement - E46 M3

Rear Spring Perch Reinforcement Plate DIY for E46 M3

Whoa and woes with E46 M3 reinforcements The aluminum cast construction of the rear lower spring perch on the E46 M3…