SKU: 47922257407

REV2 Controller - Powered by bootmod3 DirectPWM and FlexRay™

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Description

REV2 Controller - Powered by bootmod3 DirectPWM and FlexRay™REV2 Controller The most advanced and industry first FlexRay and DirectPWM motorsport ECU featuring an IP66 waterproof enclosure and a Mil Spec motorsport grade wiring harness. With the idea and work originating as far back as 2019, even discussing it in the bootmod3 enthusiasts group on Facebook in May 2019, all the while juggling countless other development efforts on new features released since then such as CustomROM, new Map Editor, Flex Fuel

REV2 Controller - The most advanced and industry first FlexRay™ and DirectPWM motorsport ECU featuring an IP66 waterproof enclosure and a Mil-Spec motorsport-grade wiring harness.

With the idea and work originating as far back as 2019, even discussing it in the bootmod3 enthusiasts group on Facebook in May 2019, all the while juggling countless other development efforts on new features released since then such as CustomROM, new Map Editor, Flex Fuel Kits, WiFi Adapter, support for other engine types and vehicles, this incredible hardware/software interfacing project is finally here, and we can't be more excited have you use it!

Once installed in a vehicle, REV2 Controller integrates with the DME using the incredibly fast and robust FlexRay ™ protocol. In addition, bootmod3 CustomROM V2 goes a step further and implements a highly innovative PWM control strategy, DirectPWM.

What is FlexRay™?
FlexRay™ is a high-speed communication protocol used in vehicles and aircraft. It's designed to be reliable, fault-tolerant, and efficient. Its used in safety-critical applications, advanced driver assistance systems, power train, body control modules, battery management systems, and more. Over the past decade, vehicle manufacturers have transitioned away from CANBUS on modern vehicles for many in-vehicle control systems and REV2 Controller has followed that trend.

What is DirectPWM?
bootmod3 CustomROM V2 software update implements DirectPWM to re-purpose an existing DME pin output and uses it to send a PWM signal directly through the OEM factory vehicle harness to a REV2 input. REV2 in turn replicates that PWM signal to one of its outputs. With no communication protocol overhead involved, DirectPWM provides for the absolute fastest, most direct control of a REV2 connected output.

Which outputs can use DirectPWM, and how is this configured?
Sequential Port Injection and Boost Control Solenoid (MAC valve) are configurable with DirectPWM trigger control. Tuners and end users simply toggle it on the bootmod3 Map Configuration screen and store it on the DME. Integration is seamless and no configuration/updates are required to the REV2 Controller.

Once my REV2 is installed in the vehicle, do I need to connect it for any tuning like with some standalone ECUs?
No. You simply install the REV2 and forget about it :) All your tuning is still done on the DME using the bootmod3 Map Editor.

How do I update firmware on the REV2?
Although firmware updates are a very rare occurrence since REV2 contains no state or tuning data, for the odd occasion we may have a firmware bug, REV2 Controller integrates WiFi. Any firmware updates would be done simply through the bootmod3 app like with our bootmod3 WiFi Adapter.

Long question, geeks only! :) FlexRay™ has options for communicating using a dynamic and a static segment. Static segment is much harder to implement and its the one that ensures message delivery making it highly desirable over a lossy/broadcast type protocol such as CANBUS that which ensure message delivery. Tell me you implemented support FlexRay's static segment?
You bet we did! DME CustomROM V2 and REV2 utilize the static segment on FlexRay to guarantee message delivery for output control communications.

Does REV2 Controller implement an Ethanol Content Analyzer and send ethanol content and fuel temperature to the DME?
REV2 provides a digital input on its harness for an Ethanol Sensor. However, unlike with our bootmod3 Flex Fuel Kit Controller, REV2 does not do any ethanol content analysis in its firmware. As with all sensors connected to REV2 inputs, REV2 also sends raw frequency/PWM data from the ethanol sensor to the DME without any processing of it in the firmware. DME then analyzes that raw sensor data and converts it into ethanol content and fuel temperature.

Does REV2 a built in MAP sensor, or have an input for a MAP sensor?
REV2 doesn't have a built-in MAP sensor or an input for an aftermarket MAP sensor. Instead, we provide a separate plug'n'play harness which connects an aftermarket MAP sensor directly to the OEM vehicle harness. Aftermarket MAP sensor is then calibrated in custom tables stored on the DME.

Does REV2 and bootmod3 CustomROM V2 provide any safeties for connected inputs and outputs?
REV2 simply relays connected sensor data to the DME. bootmod3 CustomROM V2 functionality on the DME takes in that data to provide a tuner to configure over 40 custom trouble codes for various integrated safeties such as:

  • Ignition Coil Cut Safety, per cylinder
  • Direct Injector Cut Safety, per cylinder
  • Port Fuel Injector Cut Safety, per cylinder
  • Coolant Over-Pressure Safety (e.g. due to a leaking head gasket)
  • Fuel Pressure Safety
  • Various engine status safeties for: Cam Sync, Board Status, FlexRay connectivity
  • Over-boost Safety for Boost Control PID
  • Knock Safety based on Ignition Timing Corrections, per cylinder
  • Custom Load and Torque Limiter Safeties
  • Various Nitrous Safeties such as
    • Bottle under/over pressure
    • Lean run timer
    • Pre/Post spray timer with Ignition Timing and Lambda Target compensations
  • Methanol / Water Tank Level Safety

Do I need bootmod3 or CustomROM to use the REV2 Controller on my car?
REV2 Controller is not a standalone ECU and as such does not have any calibration table data. All tuning and features are done on the DME. DME must be running the bootmod3 CustomROM V2 software update to use the REV2 Controller on your vehicle.

Do I need to re-send my DME to Femto for unlock again if I already unlocked it before?
If your vehicle's DME required a Femto unlock and you've already done it, unfortunately due to how Femto's unlock works, you'll have to re-send it for Femto to load the bootmod3 CustomROM V2 update on your DME. Those re-sending DMEs for updates get adjusted lower pricing, but for all DME unlock details get in touch with Femto.

My vehicle's DME doesn't require a Femto unlock. I can directly and fully flash it over OBD or after a bench unlock. Can I just flash the required bootmod3 CustomROM V2 map from my tuner on the DME?
Yes, flash away!

REV2 Controller has the following sensor inputs (sensors not included):

  • Fuel Pressure Sensor
  • Coolant Pressure
  • Ethanol Content Sensor
  • Nitrous Bottle Pressure Sensor
  • 2 Exhaust Gas Temperature Sensors
  • Turbine Speed Sensor
  • Laser Ride Height Sensor
  • Methanol Flow Sensor
  • Methanol Tank Level Sensor

REV2 Controller has the following outputs (hardware such as injectors, solenoids and pumps not included):

  • Sequential Port Fuel Injection (PI) for up to 8 high impedance injectors
  • Boost Control support for a pneumatic boost solenoid (MAC valve)
  • Nitrous Solenoid
  • Methanol / Water Injection using 2 independent outputs for meth/water pump and solenoid
  • Fuel Pump 
  • Line Lock, full integration with the brake pedal and OEM steering wheel controls requiring no additional aftermarket switches in the car
REV2 Controller base package includes everything needed to get started:
  • REV2 Board
  • REV2 IP66 Polycarbonate Enclosure and Mounting Bracket
  • REV2 Main Mil-Spec Race Harness
  • REV2 Flex Fuel Sensor Sub-harness (no sensor provided)
  • REV2 Pressure Sub-harness (optionally provided fuel pressure sensor at extra cost)
  • bootmod3 Plug'n'Play MAP sensor harness for OEM TMAP (intake manifold) sensor for use with the included 100psi (7 BAR) MAP sensor 
We suggest adding the following sensor from the options:
  • 150 PSI (10 BAR) pressure sensor (absolute pressure) for fuel pressure on your Port Injection feed line.
  • HIGHLY RECOMMENDED: Port injection fuel injectors from reputable brands such as Injector Dynamics or similar that publish injector flow and latency specifications.
For flex fuel support, if you're not already running a flex fuel kit on your vehicle and plan on running with ethanol (E85), we recommend our standard High Flow bootmod3 flex fuel kit. For those that don't mind losing some flow capacity in their DI fuel system we also have the option of going with the more economical kit that uses PR 360 fittings. This contains everything from our bootmod3 Flex Fuel Kit that is required for use with the REV2 as well as the ethanol sensor (exception being the wiring and the flex fuel kit's controller):
  • High-Flow (includes flex sensor bypass) bootmod3 Engine-Bay Flex Fuel Kit, or,
  • Standard (no flex sensor bypass) Kit with PR machined 360 Fittings
Suggestion: Replace the OEM charge pipe MAP sensor with a 5 BAR OEM Bosch/BMW MAP sensor.

 REV2 Controller Requirements:
- bootmod3 CustomROM V2 is a MUST! Contact [email protected] if you're unsure what software your vehicle's DME is running
- Cloned (fully programmable) DME, or, FEMTO unlocked specifically for bootmod3 CustomROM V2

CURRENT VEHICLE SUPPORT:
- 2022+ BMW G80 M3 / M3 CS
- 2022+ BMW G82 / G83 M4 / M4 CS
- 2022+ BMW G87 M2
- 2020+ BMW F97 X3M / F98 X4M

REV2 Controller Marketing Website:
https://rev2.protuningfreaks.com/

Support for REV2 Controller on other vehicles and engine types will be rolling out following S58 release.


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: 47922257407

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4.5 ★★★★★
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J
Verified Purchase
J.H.K.
Natrona Heights, US
★★★★★ 5
Great features and impressive quality for the price!
Style: R-S202BL, Configuration: receiver only
Got this for my classroom. Not an audiophile by any means and certainly didn't need the latest greatest features (along with accompanying higher cost). For what I paid, $150 on Amazon before sales tax, I'm very impressed with what it offers and can do. Installed it in my classroom today. Connected it to a pair of old Sony bookshelf speakers which I got around 10 years ago. Specifically got this receiver because the old Onkyo I previously used (still working even though it must be from 1980s or 1990s) was unable to handle audio input from my classroom desktop computer even though I had gotten an adapter cable that had a 3.5mm jack on one end and two RCA (red/white) plugs on the other end. Wanted to use the bookshelf speakers instead of the weak external speakers provided by school for whenever I would need audio during a lesson, video clips, etc. to be heard by students at the back of the classroom. After setting up this receiver and putting it through its paces, I am pleased with its overall performance. I connected my classroom's desktop computer to the receiver using that adapter cable previously mentioned and this receiver had no problems at all picking up the signal and transmitting it to my bookshelf speakers. Tried out the radio tuner and was pleasantly surprised by both how clear the sound quality is for many local stations (compared to the Onkyo I had previously been using) and for even decoding signals from distant stations (I'm using a spare cheap external FM radio antenna, not the wire antenna provided with this unit) which the previous Onkyo receiver (and even my car radio) can't pick up clearly if at all. The Bluetooth feature is nice. There's a cheaper version of this receiver without the Bluetooth feature but I decided that the extra $20 was worth it for providing additional possibilities. Had no problem pairing this receiver with my Nexus 6 smartphone. No problems streaming music from my smartphone to the receiver. So far, I've only encountered one problem. I thought about docking one star off for this problem but in the end decided not to do so because the overall functionality and performance of the receiver isn't significantly impaired by this issue. When I first powered up this receiver (after making all the necessary audio connections to speakers and computer), I thought I might have had a defective unit because I couldn't hear anything even though the volume was clearly set at 40 (out of a 0-99 scale). After some trial and error, what I discovered was that any setting below 45 is practically impossible to hear coming out of my speakers. Once I cranked up the volume to 50-55, sound was clearly discernible to anyone near the speakers. From 55-65, sound fills up my entire classroom nicely. From 65-75, it gets loud in my classroom and when I walked out into the hallway (and then continued walking down the hallway) I could hear the sound clearly from several classrooms away. I can only imagine how loud it might be (and how far the sound may travel) if I cranked up the volume beyond 75. So, for all intents and practical purposes, the sound on this unit works but I'm essentially navigating between 45 (quiet) and 80 (really loud) instead of the full range of 0-99. Like I said, functionality and performance doesn't seem to be impaired by this discrepancy, so I ultimately decided not to knock off a star. Not sure if this issue is particular to the specific unit I received or a recurring pattern in more units beyond mine. Not a deal-breaker and not worth going through the hassle of a merchandise exchange since it gets the job done. Looking forward to seeing how well this unit works out for this coming school year (and hopefully for many years beyond). If anything should arise to warrant editing this review, then I'll update as needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2016
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
200 Watts… More Like *2000 Watts!
Style: R-S202BL, Configuration: receiver only
This system is really nice and I mean it! Not a lot of information on this unit but what I can say is this system gets extremely loud to the point where you can lose your hearing from it. There is no distortion from this system even at max volume. I like music loud but this loud is on the next level and this is coming from a guy who has a lot of audio equipment and experience in the audio and FM broadcast industry! The nice thing is FM sounds wonderful on this unit. FM radio sensitivity is just wonderful like a high end receiver or like a good car FM radio. The wire provided to get radio reception wasn’t the best but a good tip is to put the wire next to the speaker wires to act like a ground plane but I highly recommend to get a good FM radio antenna that goes on your roof of your house for superior reception. AND no, the speaker wires don’t interfere with reception!!! I was skeptical due to the lack of information on this Yamaha, but I took that risk. I always knew Yamaha always been a very premium brand for audio and receivers but then you watch videos online about this unit they hate on it for being a cheap system when this isn’t true. This unit is for someone who wants a: Basic Semi Audiophile Stereo (Left and Right Sound) FM Radio, Line In or CD Playback, if you buy the cd reader separate. The video I provide is this stereo shaking my cheap old school 80s 8 inch bookshelf speakers. The only con is no sub out port. Irrelevant information starts here: The setup you see in the video is only temporary as we are remodeling the house and garage this stereo is currently in. Are new house is being currently being built in the country and after are new garage is built I’ll be putting this stereo in there and be setting this up with 2 outdoor Yamaha AW-350s on our back deck by the fire pit and the 2 old school 80s speakers in the garage. (Also a FM antenna mast for extreme FM radio reception.) The idea is the backyard would have good audio for music and are front yard would also get some good ported sound from the garage. Overall me and my family spends a lot of time outdoors no phones and little to no internet time just hanging out listening to music. The reason I am sharing this is because this is what I see a unit like this being used for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2025
S
Verified Purchase
Strategos
San Leandro, US
★★★★★ 1
Weak, Flat, Tinny Sound
Style: R-S202BL, Configuration: receiver only
My Insignia NS-STR514 suddenly died after a year of glorious sound (device still turned on, switch inputs, etc, just no sound), and I had to find another stereo receiver to replace it. Yamaha seemed to be a pretty popular brand, especially among musicians and home theater enthusiasts, so I figured I couldn't go wrong. Wrong. From the minute I hooked this receiver up I noticed a significant drop in power, range, and overall quality. This device is advertised as having the same 100w of power per channel, so this is really surprising for a major brand. I used to have to turn the Insignia up to 20, but this device has to be turned up to 44 to get the same loudness. When you do get this device cranked up enough to hear something, the sound is very flat. There's no other way to describe it. There's no range. Even if bass cranked to max you can barely hear it. The treble is weak, flat, and distorts at high volume. This device is literally making my stereo speakers that cost $300.00 each sound like a boom box from the 90's. I was considering upgrading my turntable to a higher quality one, but now, what's the point? On the flip side, the sound is clean, crisp. But man oh man is it flat. These days I mostly listen to music on high grade headphones and watch movies and streaming on my projector so it's not a huge loss (high fidelity sound on video games and movies isn't a huge deal to me), but don't buy this for your entry-level audiophile needs. There's got to be better options out there than this. The weak bass especially is unforgivable. *Update 04/25/17* My wife finally grew so tired of this piece of junk that I got rid of it and bought another Insignia Stereo Receiver. Unreliable as it is (dead after 2 years) it's still better than this garbage. The bass response is absolutely horrible, and the neighbors started complaining about the "booming". That's pretty much the only bass you get from this device. A loud, cheap-sounding thumping. The frequency response of this device is so poor, and the sound so thin and tinny, that even my wife couldn't stand it! Do yourself a favor and avoid this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2017
J
Verified Purchase
James Jeffries
Natrona Heights, US
★★★★★ 5
Excellent purchase
Style: R-S202BL, Configuration: receiver only
Good looking stereo and everything works perfectly, excellent reception and all the music is very clear at any volume (only went up to 55 out of 99).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
B
Verified Purchase
Brooke T
Cuba, US
★★★★★ 5
Great quality wire for any automotive or 12 volt wiring
Size: 16 AWG-100 ft
This GS Power 16 gauge wire is excellent quality for any automotive wiring project. The copper is true OFC pure copper, not copper clad aluminum. It’s flexible, easy to route, and holds up well without the insulation feeling cheap or brittle. I have used it for automotive accessory wiring and some 12V equipment projects and it handled everything perfectly. The wire pulls cleanly, solders well, and the insulation thickness gives it a durable feel without being overly bulky. If you need dependable wire for automotive, marine, RV, audio, or general electrical projects, this is a great buy. I would absolutely purchase it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

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