SKU: 59450319591

CANchecked MFD28 - Audi A4 (S4, RS4 B9/A5, S5,RS5 F5)

$427.50 $475.00
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

CANchecked MFD28 - Audi A4 (S4, RS4 B9/A5, S5,RS5 F5)** Available on Back Order (2 4 Weeks) ** Audi A4 B9 Display Unlock the Power of Data Introducing our advanced display for the Audi A4 B9 (including S4 RS4) and A5 F5 (including S5 RS5) models. With this cutting edge display, you gain access to all the data from your engine control unit, and we mean all of it. Our display queries the sensors directly via the Can Bus protocol and presents the information on our reliable MFD28 display. The Audi A4 B9

** Available on Back Order (2-4 Weeks) **

Audi A4 B9 Display - Unlock the Power of Data
Introducing our advanced display for the Audi A4 B9 (including S4/RS4) and A5 F5 (including S5/RS5) models. With this cutting-edge display, you gain access to all the data from your engine control unit, and we mean all of it. Our display queries the sensors directly via the Can Bus protocol and presents the information on our reliable MFD28 display. The Audi A4 B9 Display seamlessly integrates into your vehicle's interior with a custom-made frame, mimicking an original part.

We've fine-tuned the manufacturer-specific Can Bus protocol to achieve maximum query speed.

Features
Perfect integration into your vehicle's interior
Query up to 128 sensors
10 individually customizable views with our DSS - Display Setup Software
Pre-configured views for a quick start with our display
Easy Plug-and-Play installation with our cable set – simply plug it in and you're ready to go
4 additional analog inputs for monitoring exhaust temperature, oil pressure, and more
Direct ethanol sensor integration
Best readability with an optional anti-glare film
Sensor querying on par with manufacturer diagnostic tools

Additional Features
Performance Meter: Measure your acceleration times with our Performance Widget – 0-100, 100-200, 0-200.

Data Logging: Log all data on the internal SD card – whether it's "on-demand" (start with a fingertip) or permanent. All data from your last drive is stored.

Preset Alarms: Activate and customize pre-set warning messages, such as receiving a significant warning when the exhaust temperature exceeds 900 degrees.

4 Analog Additional Inputs: Connect additional temperature and/or pressure sensors for further monitoring possibilities, including exhaust temperature or exhaust backpressure. An ethanol sensor can be connected to one of the digital inputs.

Error Reading/Deletion: Read engine control unit errors in plain text and delete them.

Customization: Customize the startup screen or choose from various widgets to tailor the display to your preferences.

Seamless Vehicle Integration: Our display fits all left-hand drive Audi A4 B9 and A5 F5 vehicles. 

Access to All Engine Control Unit Data: We provide your display with a pre-configured TRI File as standard. This file defines all the sensors that can be queried, including:

Temperatures: Engine coolant temperature, intake air temperature, exhaust temperature, transmission temperature.

Pressures: Boost pressure, ambient pressure, oil pressure.

Lambda/Mixture: Lambda target/actual, short-term lambda adaptation, long-term lambda adaptation, MAF, engine load, torque.

Driver Dynamics: Brake pressure, vehicle speed, throttle angle/gas pedal position.

Other: RPM, total ignition angle, gear, battery voltage, ignition angle correction per cylinder.

Analog Inputs: Additional sensors like oil temperature, fuel pressure, oil pressure, exhaust temperature, and more can be added, including an ethanol sensor for Flex Fuel vehicles.

NOTE: Please note that not every engine provides all these values.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59450319591

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4.7 ★★★★★
Based on 403 reviews
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Product Reviews
S
Verified Purchase
Sandra Dutson
Chelsea, US
★★★★★ 5
Worth the money.
It’s very nice. Good quality. Not cheap. Handles well. I’m very satisfied!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
C
Chief
Pawtucket, US
★★★★★ 5
One of the best genral-purpose frothers out there, period
For the longest time, I've been looking for what seems like a unicorn -- something about the size of a mini-frother, but stronger than most. Almost a mini-submersion blender, really. And I still haven't found it. But the Maestri House frothers are about the closest thing I have found, which gives me hope that my unicorn might really exist someday. Unlike cheaper frothers that almost always warn you off from actually washing them, Maestri House makes theirs waterproof. Seriously, you can froth sloppy and get it all up in the whisk end of this, then rinse the whole thing under the faucet if you want to. I really don't recommend that for the speed ring at the top of this one, as a precaution and because it should never be necessary, but you can if you have to. Despite what I believe is cheaping out on the battery at just 1200mAh, it really can last a while, especially if you use it just once or twice a day. That it recharges using a USB-C connector is definitely a bonus. The speed ring at the top is great feature, overall. It turns on at a slow speed and lets you crank it all the way up to a speed that I still haven't found a good use for. This provides a lot of flexibility, from gentle mixing to full-on danger frothing. The included whisks can all be pretty handy. The whisk-whisk is good for things like two or three whole eggs, and the frother-whisk is good for general-purpose frothing. I really haven't figured out what the hook-whisk is for, because this isn't really made for handling any kind of dough, but it might work well for medium-to-thin batters. Generally speaking, I can easily recommend Maestri House frothers over just about any other handheld frother you're going to find. For completeness, though, there are a few things that I think could be improved upon: - The battery. Once you're into the $25+ range, I would expect a a high-current 2000mAh battery, for longevity and torque. - The speed ring is flexible, but depending on your dexterity and grip it can be tricky to operate when dialing in just the right speed, with just one hand. And there's no "Off" button, so you have to wind it down to "Off". For some reason I often end up spinning it the other way and making it go faster instead. Muscle memory should take over eventually, but still. A dedicated On/Off button would be handy. - For as beefy as this device feels, it doesn't handle thick liquids as well as I expected. The torque for basic mixing and frothing tasks is more than enough, but get this into thicker liquids or even four+ eggs, and it starts to bog down. - Like most frothers of this type, the balance of the whisks is a variable thing. If a whisk shaft gets even a little bent this thing will shake, at least when started at slow speed. Things usually settle out at higher speeds, but I'd really like to see the shaft of the whisks made thicker and more rigid so they don't bend so easily. - The frother whisk is good for what it is, and will quickly make great, basic foam. But unless you have supreme technique, it probably won't be good for any kind of latte art. This isn't a big problem in my mind, just something to be aware of. - The stand is okay at best, and unstable at worst. It's just a bit short for some whisks, so some of them can bottom out on the counter and make it unstable. Bending the holder at the top back just a bit with some good pliers, so the whisks are tilted up and away from the bottom, can help. I'll probably end up designing a 3D printed stand to hold this more security, as well as store the extra whisks. - I'm really not a fan of the textured finish on this model. It feels good enough, and the color is okay, but there are obvious seams on each side that, in my opinion, take away from the aesthetic. My call would be that whatever finish might be on the body, it should be seamless around the entire cylinder. I want to be clear, that none of the comments above are intended to warn you off of this if you're looking for a very good, well made frother. I doubt that you can find anything better! I only mention them because nothing is perfect, and to temper the reader's expectations. This brand, if not this specific model of frother, is almost certainly everything that you are looking for. If there's anything you don't like about this particular model on paper, I urge you to consider literally any other handheld frother they make. It only falls short compared to my unicorn device, something I don't ever expect to see from anyone else, but really believe that Maestri House could deliver if they think there's a market.
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Reviewed in the United States on March 12, 2026
G
Gadget Reviewer
Charlottesville, US
★★★★★ 4
It is an upgrade from PRODUKT
There's a lot to like with this frother. First off, it gets super-fast. It has good power but struggles a bit through thicker liquids at high speeds. I really got it exclusively for frothing milk and making really smooth chocolate milk. For those things it works well. I like the stand. I just keep a napkin under it so it will drip dry after rinsing. It is easy to clean because you can just run it on about medium under running water. I've been using it for about 3 weeks now, probably once every other day, and I'm still on the first charge. To me that is excellent battery life. It spins true, even at high speed. The key is to treat it well and probably make sure to use the stand instead of laying it on the counter. Because of the high RPM, any imbalance or bend at all is really going to be exaggerated. The only thing I am not crazy about is the control. I don't like that I have to twist it off while in the liquid. I wish there was just a switch along with the adjustment ring.
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Reviewed in the United States on March 28, 2026
H
Verified Purchase
Hanna
Lexington, US
★★★★★ 5
Still The Best Frother Ever!
Color: Black
I love how it is easy to use, how it holds a charge, and how much power it has. I've only charged it once since I got it & I've been using it on a daily basis!!! Though it isn't a long time, I'm happy with it so far! I definitely will recommend it to anyone looking for a great frother. If you are looking for one, look no further! You won't be disappointed! I've read some comments where they found it to be too strong that their drink spilled everywhere. But for me I have not had any incident of spilling over. I have used it both for my coffee and my matcha tea and it worked great without any spilling over. You just have to start with the lowest power and ensure that you have a large enough container to have a room for your frothing. My sister tried to use it recently during her visit to make us matcha tea. However, she experienced spillage all over the cup, because she had used a small cup. Otherwise, she liked it very much and said she will get one when her battery operated one stops working... Another thing I like about the product was the customer service that I had received. When I got my first order which came quickly, it wasn't working after having charged it over 24 hours. It was not turning on at all. I returned it and ordered a replacement which I received within a day or two. This time after charging it for the recommended amount of time, I was a bit skeptical when I turned it on. However, I was pleasantly surprised that it worked like it was supposed to and it has been working ever since having charged it only once so far. I may come back and give an update depending on how it does after 6 months of use, so keep in tune... I don't know if there is a way to write a new entry as a follow up to the old entry, so I'm going to add my follow up comment over here. May 23, 2025 - I love my frother more than I can say in words. It's functionality has not changed a bit from the time I have purchased it. It charge lasts several weeks to few months before I charge it again and the power is still the same. Recently I decided to buy another one for my office use. I like the white color and so tried it but that one wouldn't even turn on. And then I got a gray one to have a different color. That one was much weaker than the black one I own. Then I replaced it with another gray one within few days. I tried it and it was exactly the same as the one I already replaced. So then I decided to go with a black one again hoping that it would be the same as the one I have. The black one did much better than the gray ones in the strength or power of the frother. However, it is weaker than the one I already have been using since last August. While I am not very happy with the quality being inconsistent in all of the ones I have tried including the recent pictures of the black one, I have decided to keep the black one because it is relatively better than the gray ones I tried. What I don't understand is why there is inconsistency in the quality of the same product by the same maker. I am beginning to wonder if the black one I purchased in Augusta last year was anomaly of a quality and a good way. Maybe I lucked out on my older black frother, but I'm unsure if quality is going to get better if I were to order another one. I have a sister who is a pro in making coffee drinks and she was the reason I had ordered this frother to begin with. She uses a battery operated one at this time and I have been thinking about getting her one like mine. While I am still skeptical, I am going to give it a shot and order her one sometime soon. If it doesn't work, I guess we will return it back. But one thing that I am grateful is that I have been able to return every one of those that I have tried recently with no issues. I hope that I don't have to return my most recent purchase in black. I was not even able to review the new purchase because of the item being the same color which is crazy.
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Reviewed in the United States on September 8, 2024
R
Verified Purchase
R. Cordosi
New York, US
★★★★★ 5
Outstanding Frother!
Color: Space Gray
Exceptional! This frother is in another league compared to the cheapo push button frothers. The motor is smooth, quiet and powerful. This has an intuitive thumb dial on top that operates smoothly with a wide range of smooth speed adjustment. It’s gentle enough to froth a little bit of milk for a macchiato and powerful enough to scramble 3 eggs. The head is removable for easy cleaning. It’s also rechargeable. I charged this the day I bought it on April first. I use it at least twice a day. It’s September 26th today and I have yet to recharge it and it’s not showing any signs of needing a charge. One minor quibble is that they give you 2 of the same frother heads. They are built so well, that I don’t imagine it ever wearing out. It would have been nice to get a whisk or something different. Not a deal breaker at all though.
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Reviewed in the United States on September 26, 2025

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