Overview
This product is for Racing Competition only and is not legal for use in
highway or
street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
Transform Your N55 Experience
The N55 vehicles are impressively built right from the factory, and they respond incredibly well to modifications. While they already deliver great performance straight from the showroom, it’s hard to resist the urge to enhance them further. With the Weistec N55 Tune, you’ll enjoy significant gains across the entire powerband, boasting an impressive +60WHP and nearly 60WTQ torque—all on a completely stock vehicle, including the air filters.
Why Choose the Weistec N55 Tune?
Get ready for a boost in power, sharper throttle response, and consistent performance—all without sacrificing the refinement you love.
Key Features
- Improved throttle response
- Optimized fuel, spark, and boost settings
- Gain of 60 Wheel Horsepower and Torque
- Exciting “burble” options
- Cold start functionality
- Disabled speed limiter
- Weistec Horsepower: 445 (Stock – 302)
- Weistec Torque: 430 (Stock – 295)
Fitment Compatibility
- BMW F30 335I 12-15
- BMW F31 335I 13-15
- BMW F34 335I 13-16
- BMW F30 335I xDrive 12-15
- BMW F31 335I xDrive 13-15
- BMW F34 335I xDrive 13-16
- BMW F32 435I 13-16
- BMW F33 435I 13-16
- BMW F36 435I 14-16
- BMW F32 435I xDrive 13-16
- BMW F33 435I xDrive 14-16
- BMW F36 435I xDrive 14-16
- BMW F07 535I 2009-2011
- BMW F10 535I 10-16
- BMW F11 535I 10-16
- BMW F07 535I xDrive 10-17
- BMW F10 535I xDrive 11-16
- BMW F11 535I xDrive 11-16
- BMW F12 640I 2011-2017
- BMW F13 640I 2011-2017
- BMW F14 640I 12-17
- BMW F12 640I xDrive 13-17
- BMW F13 640I xDrive 13-17
- BMW F14 640I xDrive 13-17
- BMW F01 740I 11-15
- BMW F02 740LI 11-15
- BMW F02 740LI xDrive 13-15
- BMW F20 M135I 12-16
- BMW F21 M135I 12-16
- BMW F20 M135I xDrive 12-16
- BMW F21 M135I xDrive 12-16
- BMW F22 M235I 14-16
- BMW F23 M235I 2015-2016
- BMW F22 M235I xDrive 14-16
- BMW F23 M235I xDrive 2015-2016
- BMW F25 X3 xDrive35I 10-17
- BMW F26 X4 M40I 15-17
- BMW F26 X4 xDrive35I 15-17
- BMW F15 X5 sDrive35I 2014-2017
- BMW F15 X5 xDrive35I 2014-2017
- BMW F16 X6 sDrive35I 16-17
- BMW F16 X6 xDrive35I 16-17
Important Note
- Power gains may vary based on model, modifications, fuel type, and running conditions.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Fitment
Make Vehicle | Model | Year |
---|---|---|
2012-2016 BMW 335i | 335i | 2012-2016 |
2014-2016 BMW 435i | 435i | 2014-2016 |
2009-2017 BMW 535i | 535i | 2009-2017 |
2012-2017 BMW 640i | 640i | 2012-2017 |
2011-2015 BMW 740Li | 740Li | 2011-2015 |
2011-2015 BMW 740i | 740i | 2011-2015 |
2012-2016 BMW M135i | M135i | 2012-2016 |
2014-2016 BMW M235i | M235i | 2014-2016 |
2011-2017 BMW X3 | X3 | 2011-2017 |
2015-2017 BMW X4 | X4 | 2015-2017 |
2014-2017 BMW X5 | X5 | 2014-2017 |
2016-2017 BMW X6 | X6 | 2016-2017 |
About Brand
What Is Weistec Engineering?
Based out of Orange County, California, Weistec Engineering is an industry leader in research, development, and design. While the company was only established in late 2010, founder Michael Weiss and his partner Steve Atneyel both have an impressive track record of working with some of the fastest and most powerful vehicles in the world. The duo were both engineers for major American OEM and aftermarket performance companies; Michael was involved with advanced engineering, while Steve specialized in computer calibration.
Michael Weiss and Steve Atneyel decided to branch out on their own and combine their expertise and experience. The pair were, and still remain, avid Mercedes enthusiast and realized that there was a huge gap in the market for a company dedicated to engineering state-of-the-art performance systems for cars powered by motors like the M156 and M159 AMG. Since its inception over a decade ago, Weistec has grown to provide customers with the highest level of satisfaction and value through unyielding tests and continuous improvements in Mercedes products and performance.
What Does Weistec Offer?
Engineering and design are the two core services of Weistec Engineering. The Weistec team offers an array of services and capabilities thanks to the team’s combined experience from multiple fields. Whether you have a new idea or are looking to improve an existing design, Weistec can bring your concept to reality while protecting your vehicle’s design form and engineering function. Services include CAD, CAM, rapid prototyping, CNC machining, laser cutting and etching, casting, plastic injection molding, 3D laser scanning, and much more.
Weistec Engineering also offers a comprehensive line of products to the import and exotic market, covering vehicles such as Mercedes-Benz, Audi, Pagani, Alfa Romeo, BMW, McLaren, Ford, Aston Martin, and Maserati. No matter what type of upgrade you are looking for, Weistec has something for everyone when it comes to performance products, suspension parts, electrical components, interior/exterior accessories, and wheels/tires.
Weistec Engineering keeps nearly every aspect of its production process in house to guarantee only the highest quality. From conceptual 3D designs to in-house manufacturing and, ultimately, road and track testing, Weistec boasts relentless attention to detail on everything it offers. Specializing in computer-aided design and vehicle calibration, Weistec has the ability to manufacture quality products that are capable of withstanding even the most rigorous testing conditions. From OEM vehicle manufacturers to the aftermarket performance enthusiast, Weistec aims to deliver innovative solutions that address a wide range of client needs and desires.
Find Weistec Parts at Vivid Racing
Vivid Racing carries an extensive lineup of Weistec products to suit all your needs and preferences. Our inventory is virtually endless with everything you could possibly need to upgrade your vehicle in terms of performance, power, handling, suspension, aesthetics, and accessories. If you cannot find what you are looking for above or need help choosing a product for your needs, please give us a call at (480) 906-4066. We will advise you on the possible options and walk you through the entire purchase process to ensure a hassle-free experience.
Warranty
Weistec Limited Warranty
1. Warranty on Weistec Turbocharger Systems, Supercharger Systems, Exhaust Systems and Engine Accessories
12 month Weistec Limited Warranty. Valid 12 months from sales date with valid registration.The following exclusions apply to all Weistec Limited Warranties.
Weistec’s limited warranties do not cover any of the following damages or items:
- Damages to and/or failure of any non-Weistec component or equipment on a vehicle including, but not limited to, the engine, electrical system, transmission and differentials.
- Damage caused by “Acts of God”, normal wear and tear, or damage to a vehicle or engine caused by, tuning by others, collision and/or engine failure.
- Any costs incurred for towing or downtime of the vehicle.
- Any rental vehicle costs
- Any labor costs to diagnose problems or to remove or replace the Weistec products; or any damage caused by the use of another company’s product.
- Any shipping costs.
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