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  1. #1
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    5 out of 5 members liked this post. Reputation: Yes | No

    Initial Impressions With Active Autowerkes Gen 2 Level 3 Supercharger Kit

    Just got my car back last night from Active after doing the following:

    - Upgrade to Gen 2 Level 3 Supercharger
    - Swapped out bearings and bolts with VAC bearings and ARP bolts
    - Swapped out old OEM front control arm bushings with Powerflex units
    - Performed an alignment
    - Swapped out OEM valve cover gaskets as they were leaking oil
    - Added two other steel oil lines in the rear near the trunk

    Didn't really have a chance to open her up last night, but the initial impressions with the updated Gen 2 Level 3 Rotrex supercharger compared to the HKS unit is that the power is more overt...the feeling is like the power is always on tap ready to pounce unlike the HKS unit which seemed to be more subtle in that regard.

    A good analogy would be the Xfinity commercial with Usain Bolt(i.e. HKS blower) where you have him on the blocks ready to sprint and right next to him you have his alter ego Insane Bolt (i.e. Rotrex blower). When the gun goes off Bolt takes off, but Insane bolt just passes him.

    Another thing I notice is that I can hear the Rotrex blower spinning from inside the car...it isn't very loud at all in fact if you had passengers in the car they wouldn't know, but you can hear it unlike the HKS unit.

    The new intercooler is much larger than the old unit from the Gen 1 HKS kit...so much so that it is very noticable from the grill and front bumper partly because you can see more of it from the lower and upper half of the front bumper.

    Like I said I haven't had the chance to really open her up, but from the little I did last night this new kit is night and day from the older Gen 1 HKS kit in a good way so much so that I have to learn the car again.

    Below are:

    -Dyno of Rotrex vs baseline M3
    -Dyno of my HKS Gen 1 kit with meth vs my new Rotrex Gen 2 Level 3 with meth
    Attached Images Attached Images   

  2. #2
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    NIce , sounds like a great upgrade!

  3. #3
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    Wow the top end and mid-range increase is huge.

    This is a fantastic review! Great to see the overlay and impressions. Also nice to hear the Rotrex has better response. No brainer choice in my opinion on going with the Level III versus the Level II or I partially just due to the response different and not just the power.

    Too bad Rotrex doesn't make even bigger blowers.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  4. #4
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    Awesome increase in torque. Just what I need for auto-x. Click here to enlarge

  5. #5
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    thats awesome i wish i can get a ride in Nik's car to see what i missed out on.
    F10 M5 : ??????
    E90 M3: 11.2 126.7 with a 1.8 60ft Street Tires, Stock Interior,DSC on

  6. #6
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    Click here to enlarge Originally Posted by akh23456 Click here to enlarge
    thats awesome i wish i can get a ride in Nik's car to see what i missed out on.
    Sounds like you and me need to take a road trip..

  7. #7
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    ^ Both of you guys come on up! My schedule is busy as hell for me to take a trip down until the end of next month. From then on I'm working 6 days as opposed to 7 so I can take a trip without having to worry about stuff.
    ​2014 F10 M5 Competition Alpine White / Sakhir Orange
    Undercover Custom Downpipes & Connector. BMS Stage 1. IND Cosmetics. OEM CF Perf Spoiler.

    E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold)


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