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    • BimmerBoost welcomes its newest vendor Undercover Performance - ProEFI Pro128 E46 M3 S54 ECU sale, $2700

      BimmerBoost would like to welcome its newest vendor Undercover Performance. They are the largest ProEFI ECU dealer in the North East United States. Their specialty is stand alone engine management installation, tuning, and maintenance. So E46 M3 owners wanting to go standalone for naturally aspirated, turbo, racing, etc. (basically whatever application) Undercover Performance is able to accommodate.

      They are announcing their presence on BimmerBoost with a ProEFI Pro128 ECU sale for $2700. Please PM @undercover or @undercoverangie or e-mail undercovertuning@me.com. They can also be reached at:

      Undercover Performance
      609.871.2700
      4185 Route 130 South, Edgewater Park NJ 08010

      Further details about the ProEFI sale as well as details about Undercover Performance are below in their own words:


      Hello guys and girls,

      We have been on the forum for a fewmonths now and finally made the leap to becoming a supporting vendor.We are the largest ProEFI dealer in the NE. We specializein Stand Alone engine management tuning and installation. We’rehere to help you reach the horse power goal you are looking for,without double spending your money and doing things twice. Our ideabehind “Undercover” is we do work in ways that are not obnoxious.Everyone who’s been doing this for a while knows that being pickedout of a group of cars by authorities gets old and undesirable. Ouraim is to alleviate this while maintaining higher than expectedperformance.

      A little background on our shop:

      Here at Undercover we are yourinstallation headquarters and parts store for any of our customperformance partners. We specialize in BMW and Supra customperformance but, we have been doing a lot lately, with GTR’s. Wehave been working on everything from 9second Grand Nationals tocustom built headers and exhausts for Lamborghini Murcielagos. Wehave recently decided to focus only on the GTR, Supra and BMWapplications. We feel that narrowing our focus on a few specificapplications that will allow us to lead instead of follow like othersdo. Our professional wiring is unlike any others. We do installationsthat are OEM quality and look like it belongs. Our fabricationdepartment is second to none, with the highest quality welds andfitment ever seen.

      Our crew:

      Garth: My name is Garth, Iam the owner and Lead Tech of Undercover. A couple things aboutmyself. I was a Nissan tech for several years, authorizedBMW tech and performance reseller and have been Dyno tuningapplications from American to German and everything in between. Ihave spent several years at speed and custom shops until I decided toopen Undercover. Our main focus has been Mustangs, GrandNationals, and Supras for several years now. Lately we'vebeen really into the n54/55 BMW's, E46 M3's.

      Angela: My name is Angela, and I amthe multitasker of the Undercover crew ^__^. I do everything frompull heads off of cars to racing down the quarter mile to theaccounting and billing. I am on the forums daily answering anyquestions customer may have, and posting pictures and updates oncustomers’ vehicles we have around the shop. I am also on ourcompany Facebook, with the same responsibilities as I have on theforums. I have designed some of the flyers we have had forpromotional sales we have done, also in April we held a charity eventand I was given the task of designing the T-shirts. And of course Iam always getting my hands dirty around the shop when I can. I workedin a body shop for a year doing R&R work and I apprenticed inpainting the cars, other than that I was always working on mypersonal car and some of my friends cars. I have a passion forworking on cars, making horse power and going fast so I fit right inwith the boys.

      Our Partners:

      • ProEFI
      • Jonathan Motorcars
      • NJ Motorsports Park
      • Saad Racing
      • Fabspeed
      • SCT
      • BMW USA
      • Custom Performance Engineering
      • Burger Motorsports
      • Forge Wheels
      • Fonse Performance
      • Clutchmasters
      • Turner Motorsports
      • Extreme PSI


      Some things aboutProEfi you should all know about:

      ProEFI offers plug and play solutionsfor BMW E46 M3, E36 M3, 2007-2010 N54 applications. The Pro128 systemgives the user control over the following options:

      • Fuel
      • Ignition timing
      • I-Boost Control (5 stages of boost curves that can be selected to be targeted against Vehicle Speed, Time, or Flex Fuel input)
      • Flex Fuel (ability to run any mixture of E85 with the ECU making on the fly adjustments to boost, spark, and fueling based on Ethanol content).
      • Antilag Boost control - 5 different target boost levels
      • TwoStep Launch Control - 5 different target RPM's
      • Hi/Low Octane switch - Allows the user to easily change the calibration to run pump gas and race gas settings
      • Nitrous Control - up to 4 stages
      • Control multiple fuel pumps in stages for easier fuel pressure control at lower flow demand
      • Manual transmission Gear position indicators and clutch slip calculations
      • 2 channel Knock control with knock windows and true knock frequency filtering
      • Direct Fire Ignition - No wasted spark!
      • Fuel Pressure Feedback and fault control to monitor proper fuel delivery to prevent engine damage due to fuel system failure
      • Oil Pressure monitoring to alert when low oil pressure conditions occur
      • Radiator Pressure monitoring to warn for excessive coolant pressure in case of a weak head to cylinder block seal, or cracked cylinder.
      • Traction Control - Utilizes the stock wheel speed sensors picked up off of the CAN bus to monitor all 4 wheels. We also use this to help prevent transmission or clutch damage on the higher horsepower applications that spin the tires.
      • Closed Loop O2 Feedback with Internal Wideband O2 sensors
      • Multiple Fault Management strategies to save the engine and alert the driver incase of sensor failure or tuning errors
      • CAN Display connectivity - 52mm Can Gauge, and 4.5 x 4.5" CAN display.
      • Meth injection - ability to control methanol injection and tune appropriately for it

      This article was originally published in forum thread: BimmerBoost welcomes its newest vendor Undercover Performance - ProEFI Pro128 E46 M3 S54 ECU sale, $2700 started by Sticky View original post
      Comments 39 Comments
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by 930chas Click here to enlarge
        Also, forgot to mention how much more I have enjoyed the Proefi in this car as compared to the previous AEM units. This is my 4th turbo e46 m3, the previous 3 have all been AEM and thus haven't had, to name my two favorites, the flex fuel capability and the absolutely ridiculous in a good way traction control system. Not having to mess with methanol or race fuel is really nice. I can fill up with pump gas or e85 with no worries as the Proefi compensates for whatever mix is in the tank. Plus, it is incredible not only the power that e85 makes but also how fast spool up is with it. The traction control really can't be described with words, you need to feel it in action to become a believer, but it is great to make this kind of power and still actually be able to put it down. Either way if you are on the fence for buying one of these units, this is the time, great unit and killer price!
        Very strong endorsement.
      1. LostMarine's Avatar
        LostMarine -
        WELCOME!! Good to see you over here!


        Ive been in contact with these guys for about 2 years now, always had a good vibe. Love seeing all the Supra action you guys take part in.

        Very interested in the N54 development, as well as the S65 stuff... But thats a conversation for a different thread Click here to enlarge
      1. Twinturbom3's Avatar
        Twinturbom3 -
        does proefi control vanos?
      1. Mikecoupe's Avatar
        Mikecoupe -
        Click here to enlarge Originally Posted by Twinturbom3 Click here to enlarge
        does proefi control vanos?
        READ post #18
      1. Petrolhead's Avatar
        Petrolhead -
        Is the stock DME removed? Does it control things like SMG?
      1. undercoverangie's Avatar
        undercoverangie -
        Click here to enlarge Originally Posted by Petrolhead Click here to enlarge
        Is the stock DME removed? Does it control things like SMG?
        Good morning everyone!

        the stock DME is left in
      1. 930chas's Avatar
        930chas -
        Good video showing the features of Proefi posted by Jason a while back.
      1. Petrolhead's Avatar
        Petrolhead -
        This is impressive! Click here to enlarge

        What is in control of the SMG? The stock DME or the ProEFI?

        Is this 100 % developed, or is there something that could be even better in a perfect dreamworld?
      1. undercoverangie's Avatar
        undercoverangie -
        This is 100% developed and has been for several months. ProEFI uses torque reduction between shifts to save the trans, but does not control it
      1. nek0's Avatar
        nek0 -
        I have a AA super charger stage 2 e46 m3 with a 91 trim blower can I use proefi standalone with my application? Has anyone ever done it ?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by nek0 Click here to enlarge
        I have a AA super charger stage 2 e46 m3 with a 91 trim blower can I use proefi standalone with my application? Has anyone ever done it ?
        I don't see why not.
      1. nek0's Avatar
        nek0 -
        Hmm if anyone knows more about this with personal experience can someone pm me I'm in the nyc area wouldn't mind to travel to talk about it if anyone has free time
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by nek0 Click here to enlarge
        Hmm if anyone knows more about this with personal experience can someone pm me I'm in the nyc area wouldn't mind to travel to talk about it if anyone has free time
        Why not just talk to @undercover or @undercoverangie ?
      1. LostMarine's Avatar
        LostMarine -
        Click here to enlarge Originally Posted by nek0 Click here to enlarge
        I have a AA super charger stage 2 e46 m3 with a 91 trim blower can I use proefi standalone with my application? Has anyone ever done it ?
        pretty sure its not an issue as ive seen turbo E46's in the shop rockin proefi
      1. nek0's Avatar
        nek0 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Why not just talk to @undercover or @undercoverangie ?
        I will try to get in contact anyone have there email
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by nek0 Click here to enlarge
        I will try to get in contact anyone have there email
        Yes: undercovertuning@me.com

        PM's also work well.
      1. nek0's Avatar
        nek0 -
        Click here to enlarge Originally Posted by LostMarine Click here to enlarge
        pretty sure its not an issue as ive seen turbo E46's in the shop rockin proefi
        Each I've seen turbo m3s rocking proefi just look on YouTube marcuslsb pro efi that things amazing Click here to enlarge

        ive just never seen in done to a supercharger application and just wanna know if anyone has any prior experience with it I mean I'm not making 800 whp but I make 511whp with my setup I have upgraded fuel rails as well as 50/50 meth on a stock motor I'm not looking to make more power really but some other features interest me but I don't wanna blow up my engine it is my daily driver lol
      1. undercoverangie's Avatar
        undercoverangie -
        Hey everyone! I hope you all had a wonderful holiday! The ProEFI sale is still going on, you have until December 31st to get your order in!!!!

        Best,
        Angie
      1. Sticky's Avatar
        Sticky -
        Nice... bump.