Originally Posted by dashii111

I know this is an old thread but I thought I’d chime in in case other e55 owners see this. The brake vibration is totally normal. I presume the sbc pump, happens every few minutes at low speed. The m113k has kind of a noisy valvetrain in general so unless the tick is super pronounced it’s probably fine and could be normal operation. Love the car, I hope your still enjoying it!! Tectite grey is my favorite e55 color, I have iridium silver but still wish I could find a grey one. I drive mine across the state twice a month still, perfect road trip car.