
►BMW learned from its first foray into direct injection in a few ways, but the most beneficial for owners was a switch to the solenoid-style direct injection. They’re less expensive and easier to acquire as an owner, but there’s still a decent chance you’ll have to replace your BMW’s injectors at some point. It’s a fairly involved job that requires a few specialized tools. However, with them and a little time, there’s no reason this job couldn’t be done at home.
A bad direct fuel injector can fail in several ways. If you’re lucky, it’ll fail in the closed position, meaning it fails to deliver fuel into the cylinder. That’ll be met with a very obvious misfire and associated code. An injector failing in the open position means fuel doesn’t stop being injected into a given cylinder. At best, that leads to crazy fuel trim readings, some stumbling, and a few engine codes. At worst, the excessive fuel washes away the oil film on the cylinder walls, causing the rings and piston skirt to dig in and score them.
In this video, Gareth Foley, FCP Euro’s BMW Expert, replaces the solenoid-style fuel injectors on a BMW F82 M4.
00:00 – Intro
03:13 – Tools Needed
05:00 – Battery Disconnect
05:36 – Engine Brace Removal
09:21 – Air Box & Charge Air Cooler Removal
19:40 – Fuel Rail Removal
19:50 – Injector Replacement
30:03 – Charge air Cooler & Air Box Install
33:33 – Coding the New Injectors to the Car
39:49 – Wrap-up
Shop the parts used in this video:
https://www.fcpeuro.com/products/bmw-fuel-injector-kit-13647639994kt?utm_source=youtube&utm_medium=description&utm_campaign=mps%20bmw%20f8x&utm_content=injectors
This video applies to the following vehicles:
BMW M3
2015 BMW M3
2016 BMW M3
2017 BMW M3
2018 BMW M3
BMW M4
2015 BMW M4
2016 BMW M4
2017 BMW M4
2018 BMW M4
2019 BMW M4
2020 BMW M4
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the falling box @4:49 lol