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  1. #1
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    Dec 2011
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    REVIEW: Rixster vent integrated boost gauge (CANbus) / Alpina_B3_Lux

    Hello fellow Bimmerboost members,

    A few of you may know me from "the other forum" and it has been some time since I've been on this one here as well. As I'm not much in favour of the policy (the word comes from "police" I guess...) of E90post and more precisely at its way of handling conflicts (mostly by inflicting bans on members who have posted lots of useful information), I have also decided some time ago to join Bimmerboost.

    Some of you may know the reviews I've written so far, and I would like to make them available to Bimmerboost as well - together with some new ones and updates to the existing reviews. The present article is therefor one among several threads that I will be posting individually (to make them easier to find without having to wade through many posts in one thread).

    Almost all of these are performance oriented, and I will therefor post most of them in the N54 sub-section. @Sticky: If you think one or the other is better placed elsewhere, just move it there please.

    But enough of the preamble, here we go.


    REVIEW - Rixster (vent integrated) Boost Gauge (version 2 with CANbus)


    I believe that anyone who is modifying his car considerably - as many here are doing -, a tool to watch some of the most important parameters of the engine is a must-have. I have owned the Bavarian Technic tool for quite some time, and is has been very helpful to diagnose and datalog. However, it's always a hassle to connect it to the OBD port, take out the laptop, connect it to the laptop etc. - and you can't really watch the data while you're driving, so either you have a passenger doing that or you save it for later analysis.

    What I really wanted was a tool that let me watch some of the parameters in real time while driving. Of course I knew that there were boost gauges already on the market, but most of them either looked too much out of style with the interior of my car, and also simply being able to watch the boost didn't really appeal to me.
    However, at the end of 2010 I saw that P3Cars was in the process of developing an upgrade to their existing boost gauge, which included CANbus integration and therefor the possibility to display a considerable number of parameters such as intake air temperature, water coolant temperature or throttle plate. I really liked the seamless integration of this gauge into the OEM driver side vent, which along with the orange colour of the digital readout looked very much stock (see also here: P3 Cars - Vent Gauge v2). I didn't want my car look too much like a boyracer car, and therefor the OEM looks that this particular gauge had appealed to me quite a lot. An additional feature that I liked was that the gauge had two additional analogue inputs (besides one that is already used for the boost sensor), which I intend to use at a later point for measuring the flow of my methanol kit.
    It then took some time until the development of the gauge was finalised, and a few months later it was possible to subscribe for the first batch of it for 399 USD, IIRC. That's certainly not cheap, but the looks and multitude of features distinguished it from anything else in the market, so I went for it.


    I received it some time after ordering it, and it came well packaged and with everything needed for the install. I had opted for the version that was already integrated into an OEM vent, so that the installation was mostly plug & play. The only difficulty was to find some space for the module itself, as behind the covers of the footwell there were already quite a few cables from my methanol kit and Bilstein B16 Ride Control suspension. It worked out quite well, however, and my garage said that they had no trouble at all installing it.

    Here are a few photos:

    Boost gauge installed (1):
    Click here to enlarge

    Boost gauge installed (2) - OBD port:
    Click here to enlarge

    Display option - Intake Air Temperature:
    Click here to enlarge

    Display option - Rounds Per Minute:
    Click here to enlarge


    In my opinion this gadget looks really great. If you didn't know it, you could easily believe that the car had this display when coming out of the factory. The possibility to use metric measurements but displaying the boost in psi is eminently practical; and it's simply fun watching the boost go up as you floor it.

    Also, this enabled me to watch the efficiency of my methanol kit in real time - you could see the air intake temperatures decreasing each time the methanol started being sprayed. Very useful! Also, the feature to display and delete codes is very helpful as well, even though for properly diagnosing and datalogging an additional tool such as the BT tool is indispensable.

    The vent itself still works, of course, although it's not possible any more to direct the air stream - but which is not really a problem.

    The OBD port can still be used as well - for this the cable of the gauge that is plugged into it simply needs to be unplugged. That was important for me as I would not be able to use the BT tool or the GIAC mapswitcher without this feature. A more permanent install option for those for who this isn't necessary can also be bought, so I am told.
    Here's another link with an overview of all features of it: Overview - features of P3 Cars - Vent Gauge v2.


    None of any importance, really. It has performed flawlessly since I installed it, and has made it possible for me to keep an eye on some of the most important engine parameters while driving.

    When I used the GIAC mapswitcher or now the COBB Access Port or the BT tool, some fumbling is always necessary to get the gauge unplugged, but that is really a very minor gripe.

    All in all I'm very happy with this product and can recommend it without any reservation.

    Current: Audi R8 V10 2013 S-Tronic, daytona grey, carbon side blades, MTM tune, Michelin PSS tires, Capristo x-pipe
    Gone: Audi R8 V10 2010 manual, ice silver, grey side blades, MTM tune, MTM air filters, Michelin PSS tires
    Gone: BMW 335i Individual (Öhlins, PFC brakes, RB turbos etc.)

    Gone: Alpina B3 E46 3,3

  2. #2
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    Jul 2011
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    this might be a REALLY stupid question, but when your jb4 is on any other map other than 0, can you read $#@! from the OBD? I thought you had to put it on map 0 in order for the obd to be accessed.

  3. #3
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    Nov 2011
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    I think hes using a flash tune, like Cobb

    EDIT: Check his sig
    -'09 135i MT - Custom 6466 ST - 680whp Click here to enlarge
    -'08 135i AT - 6466 ST - dead
    -'97 318is - Daily
    -'82 320i

  4. #4
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    Jan 2010
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    Moved to 3-Series E9X.

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