BMW Information | Auxiliary Drive Belt Positioning - N43 - E90

Reference information for fitting position of the auxiliary drive belt on a BMW E90 - N43 engine type.

When you're disassembling the BMW drive belt (auxiliary belt), it's a good idea to capture a photograph of the pulley placements to assist you during reassembly. To provide future reference, like during a breakdown, you can keep a hard copy of this diagram in your vehicle or toolbox.

E90 N43 drive belt fitting position

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1. HAYNES: BMW 3-Series 2008-2012 - ISBN: 978 0 85733 901 0

2. Wikipedia: BMW N43 Engine

3. Pelican: Replacing your drive belt E90