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Where is the fuel pump relay on a 1990 BMW e34?

1. Locate the fuse and relay box. In the 1990 BMW e34, it is located in the engine compartment, on the passenger side, near the firewall.

2. Open the fuse and relay box. There should be a diagram on the inside of the lid that shows the location of the fuel pump relay.

3. Find the fuel pump relay. It will be a small, black relay with a red or blue connector.

4. Remove the fuel pump relay. To remove the relay, gently pry it up with a flat-head screwdriver.

5. Inspect the fuel pump relay. Check the relay for any damage, such as cracks or burned contacts.

6. Replace the fuel pump relay if necessary. If the relay is damaged, replace it with a new one.