BMW 3 Series Roof Cargo Box Guide

Choosing the a BMW 3 Series Roof Cargo Box takes a little effort because you want to make sure that you choose the best roof box for your needs, that it fits your car correctly, and that you won’t have any problems with it being the incorrect size.

With a little research, you can easily find a BMW 3 Series Roof Cargo Box for your vehicle so that you can store items inside when you are on the road. This will allow you to travel with storage without accidentally affecting your gas mileage.

Below you’ll find a great selection of boxes in a range of sizes that all work well the 3 series range of cars.

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Shape & Look Dimensions (L, W, H) Weight Box Opening Capacity
Sportrack SR7087 Skyline Box 18 Cu W/o Hood 54" x 37.5" x 19" 30.1lbs Passenger 18 cu ft.
Rightline Gear 100S20 Sport 2 44" x 36" x 14-19" 7.6lbs Both Sides 15 cu ft.
Thule Pulse Cargo Box 88.5 x 25.5 x 12.5 in 47lbs Passenger 16 cu ft.
Yakima Showcase Rooftop Cargo Box 46.6" x 27.4" x 17.3" 25lbs Passenger 9 cu ft.
Thule Hyper XL Rooftop Cargo Box 76" x 33" x 16" 57lbs Both Sides 17 cu ft.

3 Series Roof Boxes - The Details

This is a great option if you are shopping for a BMW 3 Series Roof Cargo Box, are on a budget, and still want to make sure that the roof box you choose is high-quality and will last through a lot of trips without any problems. 
This roof box is incredibly easy to attach to your roof or your rails using the provided straps. Using U-bolts will ensure that the box is securely attached to your vehicle, but it really isn’t necessary as long as you take your time when setting up this box.

One reason so many people love these boxes is that they come with two locks on a single side, as well as a pair of hinges on the other. There are plastic clamps designed to hold the box shut and hinges designed to prevent the box from shutting when you have it open. All of these features together make the box very safe and easy to use.

This is a great roof box, even if you do not don’t have a roof rack, as it has been specifically aerodynamically designed to cut through the wind and the air while you are driving without you noticing that you are going slower or having your gas mileage negatively affected. 

Not only can you attach this roof box with a roof rack or by using car clips to attach it to the door frame, but you never have to worry about anything you have stored in the box getting wet. Thanks to a waterproof system complete with dual seam technology and a urethane-coated zipper to prevent water from entering the box, nothing you have in the box will be at risk for being wet. 

Additionally, because you don’t have to attach the roof box to a roof rack, installing it on your car for a trip is incredibly fast and easy, and you won’t have to worry about planning ahead for your excursion.

This is an incredibly durable and rugged box, making it one of the best roof box for BMW 3 Series on this list. Once you mount the mounting assembly to your car, it’s easy to attach the box when you are ready for a trip. 
The secure lock included on the box ensures that it is always closed securely and that it won’t pop open, and since the box opens on the side instead of the front, you can easily access items that you had stored for your trip.

Thanks to the advanced design of this roof box and the fact that it is made from thermoplastic material, you don’t have to worry about your roof box failing you or being damaged when you are on the road. 

The lid can withstand extreme weather without being damaged or water getting into the box, and due to its shape as well as its durability, many people choose to leave the box on the car all year long for ease of use.

This roof box is unique because of the way it has been designed with internal stiffeners to ensure that not only can you easily open and close the lid, but also that it won’t bend or break during movement. 

Enjoy opening the roof box on either side, which allows you to easily access the items you have stored without having to worry about walking around your car. While this roof box works well on larger vehicles, it also attaches easily to a roof rack on your BMW.

While some roof boxes can be very difficult to install by yourself because of their size and weight, this one is light enough that installation is very easy by one person. Additionally, thanks to the shape and the design of the box, as well as how well it closes and seals shut, there isn’t a lot of concern over water accidentally getting into the box. When correctly attached to the car, there isn’t any whistling or rattling.

Thanks to the patented and specially designed AeroNose Design, this roof box does a great job of reducing the drag you experience when driving and also makes your trip a lot quieter. It can easily hold up to 100 pounds without being damaged, thanks to the ultra-thick and reinforced base and lid. 

The mounting points are placed to ensure that you get the most hatch clearance possible and the audible “click” makes it easy to tell when your roof box is securely in place. 

Enjoy the integrated light when you are loading or unloading your roof box in the dark as well as the internal lid lifters that prevent the lid from falling when you are looking for something in the box. This roof box provides 17 cubic feet of storage space for when you are on the road, which allows you to bring all of your luggage with you.


Choosing the best roof box for BMW 3 Series can take a little time, but when you opt for one of the choices on this list, you can rest assured that you will have a great roof box for your trips. 

Consider how easily it will install as well as other features, such as an integrated light or a lid that will prop open for you so that you can get the most use out of your new box with very little trouble.

Once you’ve got your Roof Box for your BMW 3 series you maybe interested in our Roof Box Cleaning Guide and Storage Guide.

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