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Where can I find the belt diagrams for a 1990 BMW 525 I?

Here is the belt diagram for a 1990 BMW 525i

>![1990 BMW 525i belt diagram](https://i.imgur.com/5QzEa0A.png)

Diagram Legend

1. Fan belt

2. Tensioner

3. Water pump

4. Alternator

5. Power steering pump

6. Air conditioning compressor

7. Secondary air pump

To replace the fan belt, follow these steps:

1. Loosen the tensioner nut (2).

2. Remove the old fan belt.

3. Install the new fan belt.

4. Tighten the tensioner nut (2) until the belt is tight but not too tight.

To replace the secondary air pump belt, follow these steps:

1. Loosen the alternator nut (4).

2. Remove the old secondary air pump belt.

3. Install the new secondary air pump belt.

4. Tighten the alternator nut (4) until the belt is tight but not too tight.

Note: The tensioner nut (2) and the alternator nut (4) are both located on the driver's side of the engine.