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Fuel Injector Replacement – BMW N20 Turbo 4 Cylinder Engine
This article gives detailed step-by-step instructions on replacing the fuel injectors in the direct injection BMW N20 engine. These engines are found in a vast array of different BMW and MINI models. Please click the button below to see if this repair applies to your vehicle.
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Possible Symptoms: Rough idling, poor performance, engine stalls
This repair can be used on the following BMW models:
Expert level repair.
Step 1 - Purchase Parts
You will need the following parts and supplies to perform this repair.
Step 2 - Repair Procedure
Unless otherwise noted, all vehicle repair step images in this article are copyrighted, and used courtesy of BMW of North America, Inc. .
1. Prepare engine for fuel injector removal
2. Replacing the fuel injectors
Read calibration value before installing!
- Each new fuel injector has a calibration value stamped on its shaft. You MUST document this number and which injector it is associated with before installation. This number will be used to calibrate the new fuel injectors in later steps.
3. Final installation notes and torque valuesr-13-53Copyright BMW Repair Guide 2023 - All Rights Reserved