BMW 328 Brake Light Not Working

The Car Is Marking On The Inside Pannel "brake Light Circuit" I Had Replaced The Part Were The Light Bulb Goes In And I Had Checked The Part...

Hi, I Keep Getting The Brake Circuit Fail Message, But The Brake Lights Seem To Work. However, Occasionally They Don't Work At All. What...

I Tried Checking The Fuse Its Ok.i Checked The The Switch Its Ok.then I Went To The Brake Lights Checked The Bulbs,made Sure The Connectors...