Help on a present idea please?

novemeber is my boyfriends 19th birthday.. i need some help.. i know this is kind of impersonal getting on here and asking but i dont want to mess up.. well be together for a year in january so were pretty serious.. so i need to get him an awesome present. hes into cars and working on them but i want to give him something more romantic.. more like idk how to explain it... i dont want to be like in a nighty and cookin him dinner.. i mean **** his parents could walk in.. hahaha.. that woul be awesome.. but i want to make it intimate. thats it intimate.. any ideas are welcome.. thank you so much.