SKU: 44122153362

Burger Motorsports B9 S4 Water Injection Kit

$370.06 $411.18
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

Burger Motorsports B9 S4 Water Injection KitWater Methanol Alcohol injection commonly referred to as WMI allow you to make tremendous amounts of power on pump gas. The effect is similar to running 100 octane race gas or E85 fuel all the time with the additional cooling benefits allowing for more power than you can make on race gas or E85 alone. The key to a safe and effective WMI setup is tuning integration. The Audi B9 S4 BMS WMI kit integrates to the JB4 tuning system allowing for precise

Water/Methanol/Alcohol injection commonly referred to as WMI allow you to make tremendous amounts of power on pump gas. The effect is similar to running 100 octane race gas or E85 fuel all the time with the additional cooling benefits allowing for more power than you can make on race gas or E85 alone.

The key to a safe and effective WMI setup is tuning integration. The Audi B9 S4 BMS WMI kit integrates to the JB4 tuning system allowing for precise mapping based on boost, throttle position, engine speed, intake temperature, advance, gear, and other data elements available to the JB4 through its CANbus system. In addition a pump flow signal is fed back to the JB4 allowing for a safe and smooth progressive boost mapping. If the tank runs empty or flow drops for any reason the JB4 will safely back down performance to avoid detonation. Boost is held low until WMI is properly flowing to avoid tip in knock common with non-integrated WMI setups. In addition WMI can be activated or disabled right from the JB4 Mobile app , will automatically disengage during traction control or safety map situations, and WMI flow data can be displayed via your JB4 Mobile logging device. 

The BMS WMI kit includes a high quality Aquatec WMI pump made to our specifications, high speed solenoid with leak-free compression fittings, a WMI filter, and all required wiring and mounting hardware. For the Audi B9 S4 You can select from our lower cost 1 gallon clear tank for a custom mount or our universal 2 gallon integrated tank.

For the Audi B9 S4 we also offer a unique direct fit CNC machined nozzle adapter allowing quick and easy installation of the suggested dual BM5 nozzles. The adapter eliminates the need to replace your otherwise sturdy factory chargepipe for nozzle mounting.

Dual BM5 is the recommended nozzles for Audi B9 S4 BMW engines with factory turbo.

What's inside our methanol injection nozzles?

Audi S4 WMI Nozzle Adapter

This CNC machined plug and play adapter allows you to mount single or dual BMS WMI nozzles WITHOUT the expense and headache of removing and drilling your factory chargepipe. Shaves a ton of time off the Audi S4 WMI install and best of all is fully reversible. We suggest the BM10 nozzle for most S4 applications. Nozzles not included. Made in the USA.

1 gal. UNIVERSAL TANK

1 gallon universal tank: The least expensive option this tank is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. The tank is clear to allow visually checking the fluid level. 

Comes with standard 2 way vented black plastic cap. 
Upgraded billet lid with 1-way check valve available below.

Tank dimensions: L 11" x W 9" x H 4.5"

Applications
Universal trunk mount

 

2 gallon universal low profile tank
With our 2 gallon universal tank the WMI pump mounts directly to the tank for the ultimate easy to install tank. This tank is compact allowing for a wide range of mounting on any horizontal surface in the trunk. Offered in black and in clear to allow visually checking the fluid level. Works with all DDP 5800 pumps. Made in USA.

Comes with standard 2 way vented black plastic cap. 
Upgraded billet lid with 1-way check valve available below.

Tank dimensions: L 15.5" x W 8" x H 8.25"

Applications
Universal trunk mount

CAP UPGRADE

Optional Upgraded Billet WMI tank cap w/safety check valve

This high quality custom billet WMI cap includes an integrated check valve to let air in and prevent dangerous WMI vapor/fumes from getting out! Made in USA.

Applications
• BMS 1 gallon tank
• BMS 2 gallon universal tank
• BMS 2 & 3 gallon stealth tank


INSTALL GUIDE

Download Install Guide

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: 44122153362

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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
H
Honey Bawa
San Leandro, US
★★★★★ 5
Super Cozy & Stylish – My New Favorite Throw Blanket
I recently got this brown leopard print throw blanket, and it quickly became one of my favorite cozy essentials at home. The first thing that stood out to me was the trendy animal print design—it adds a bold, stylish touch to my living room and makes my couch look instantly more put together. The material is incredibly soft and plush. It has that fluffy flannel feel that’s perfect for snuggling, whether I’m watching TV, reading, or just relaxing. It’s warm without being too heavy, which makes it great for using all year round. I also really like the size (60" x 80")—it’s big enough to fully wrap around me or share when sitting on the couch. It works just as well on the bed as it does as a decorative throw. Another plus is how lightweight and easy to carry it is. I’ve even taken it along for road trips, and it’s been perfect for staying comfortable on the go. If I had to point out one small downside, it’s that lighter-colored fabrics can show wear over time if not cared for properly, so I make sure to wash it gently to keep it looking fresh. Overall, I’m really happy with this blanket. It’s the perfect mix of comfort and style, and it adds a cozy, fashionable vibe to any space. Definitely a great pick if you love soft textures and bold décor!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
B
Brandon Pittman
Bozeman, US
★★★★★ 5
Soft, Warm, and Holds Up Well After Washing
We grabbed this primarily for couch lounging and it has been a regular rotation blanket since it arrived. The softness is legitimate, not the kind that feels good out of the packaging and then stiffens up after a wash or two. It has gone through the machine multiple times and both the texture and the leopard print have held up without fading or pilling. The 50 by 60 inch size is a comfortable fit for one person stretched out on the couch. It is warm without being heavy, which makes it practical across seasons rather than just winter. The print looks sharp and adds some personality to a living room without being over the top. For a throw blanket at this price, the quality is better than expected and it has earned a permanent spot on our couch. If you are looking for something soft, visually interesting, and durable enough to actually use regularly, this one delivers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
C
Canadian reviewer
Lowell, US
★★★★★ 5
Pretty good blanket. Slightly larger than normal throw.
I purchased this leopard print throw blanket because you can get it in twin size and twin size is a lot more usable in not only a bed but also on a couch. Like if you have two people sitting next to each other, it's a lot easier to use the twin size than a throw size, which I feel is a little bit cramped. In addition to that, I saw in the picture that this looked almost like fur. Now when you look at it in person, you can clearly tell it's not for it's got almost like a a spotted pattern even with the spots. And while I don't know if leopards actually look like that, certainly at a distance, it feels a lot more accurate than things that are only vaguely leopard printed like the the common pink ones, as you can see here in the other variety. But certainly the Brown leopard one looks good. Plus, it is comfortable and pretty soft. It's softer on one side than another side, but only slightly and while it's rolled over and stitched at the edges, it is a single layer throughout. So it's not going to give you a ton of warmth. But I will give you some warmth, you know just enough to be nice and that means you can use it year round. So overall at this price for a twin size leopard print throw. I think this is a good deal. Well I think it could be a better deal. I've certainly seen worse so I think I could recommend this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
M
Mona Peters
Omaha, US
★★★★★ 5
Pink cheetah blanket
Color: Pink Leopard, Size: Throw(50" x 60")
I recently got this pink cheetah print throw blanket, and honestly, it’s such a fun and cozy addition to my space. The first thing that stood out to me was the design—the pink leopard print is super cute and adds a pop of personality to my couch without being too overwhelming. The material is really soft and lightweight, which makes it perfect for everyday use. It’s warm enough to keep me comfortable while lounging or watching TV, but not too heavy where it feels bulky. I also like that it’s easy to fold and move around, whether I’m using it in the living room or taking it to bed. Size-wise (50” x 60”), it’s a good throw size—great for one person, though if you’re looking to fully wrap up, it might feel a bit small. The quality feels decent for the price, and it seems to hold up well after use without shedding. Pros: • Super soft and cozy • Cute, trendy design • Lightweight and easy to use • Good value for the price Cons: • Slightly small if you want full coverage • Not the thickest blanket for colder nights Overall, I’d definitely recommend it if you’re looking for something stylish, comfy, and affordable to decorate your space while staying cozy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
P
Verified Purchase
Pam Kullerd
Whiting, US
★★★★★ 5
Good quality
Color: Pink, Size: 50"Wx60"L
My great granddaughter asked for this throw so I purchased it for her. The throw is so soft and looks exactly like the picture. The quality is good and the price was right. It’s light weight so she can roll it up and throw in her backpack to take to friends houses. I received the throw on time and I would recommend this product and seller.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026

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