Category Archives: BMW 3-Series E46 Expansion Tank 1999-2006

BMW E46 3-Series Aluminum Expansion Tank, Part 4: Prototype Installation

Interested in picking up this awesome aluminum coolant expansion tank? Check out our pre-sale details linked below!

Mishimoto E46 3-Series Aluminum Expansion Tank Pre-Sale

Another update on our E46 expansion tank project! Last time we showed off some images of our prototype unit, noting the numerous precise features we built into our design. This time we are … Continue Reading ››

E46 3-Series Aluminum Expansion Tank, Part 3: First Prototype

Interested in picking up this awesome aluminum coolant expansion tank? Check out our pre-sale details linked below!

Mishimoto E46 3-Series Aluminum Expansion Tank Pre-Sale

Big news for our E46 followers! Our aluminum prototype of the BMW E46 expansion tank is complete. Gone are the days of roadside tows and antifreeze puddles messing up your driveway. Enjoy the images of our awesome … Continue Reading ››

E46 3-Series Aluminum Expansion Tank, Part 2: 3D Tank Design

Interested in picking up this awesome aluminum coolant expansion tank? Check out our pre-sale details linked below!

Mishimoto E46 3-Series Aluminum Expansion Tank Pre-Sale

Quick project update! As noted in our last post, we had finished collecting data points and dimensional information for the stock tank and were setting our sights on creating a tank of our own. After pulling our engineers … Continue Reading ››

E46 3-Series Aluminum Expansion Tank, Part 1: Stock Tank Evaluation

Interested in picking up this awesome aluminum coolant expansion tank? Check out our pre-sale details linked below!

Mishimoto E46 3-Series Aluminum Expansion Tank Pre-Sale

Enthusiast groups’ feedback plays a massive role in our product development process. Not only is it a great way to bounce ideas off our potential customers, but it also allows us to see exactly what our customers … Continue Reading ››