Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Heater Core in a BMW 3 Series

Model: BMW Serie 3 E46 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Heater core

See other generations:
Video tutorial

Discover the main steps to remove and replace the heater core in the BMW 3 Series cabin by following the instructions below. First, get inside the vehicle and remove the entire center dashboard, including the instrument cluster; then remove the steering wheel, the radio, and the climate control knobs, taking out the glove compartment to later remove the dashboard.

Locate the heater core in the center; disconnect the coolant hoses and remove the heater core, following the video until the end!


Updated on 13 May 2026 by ScegliAuto


Related tutorials

BMW Serie 3 (1990-2001 / E36) Below are the instructions to remove and replace the cabin heater radiator in a BMW 3 Series. First, open the hood of your car and start disconnectin…
BMW Serie 3 (1998-2006 / E46) This guide explains how to remove and replace the cabin heating radiator of the BMW 3 Series E46. First, get inside the vehicle and start by removing…
BMW Serie 3 (2012-2019 / F31, F30) The procedure for replacing the heater core in a BMW 3 Series requires completely disassembling the dashboard: start by loosening the screws that sec…

Other guides you may be interested in

How to Remove the Toll Tag Holder from the Car Windscreen

The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

Watch the video!


by ScegliAuto

More videos