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Thread: Boosting a e46 330ci

  1. #1
    Join Date
    Jan 2020
    Location
    Ontario Canada
    Posts
    1
    My Cars
    330ci

    Boosting a e46 330ci

    I received a free 330ci . ItÂ’s a nice car quick but not fast. IÂ’d like to make it more fun. I am a mechanic by trade but i will need all the help I need. Initially I seen a turbo kit from techniquetunning for about $7000 usd which is ok. But I want to build a top mount turbo set up with a larger a.r and 1000cc injectors. One issue I am having is it seems the stroke of the m54b30 make this engine very low on torque. I have time and some money IÂ’d like to make this happen over the course of two three years. I am hoping ball park 500whp with the car looking as oem as I can. I do not mind lowering the compression for more boost as it will be a weekend car . One concern I do have is the power train I hear it has a torque limiting sensor. I just hope in the couple years of this build I can stay true to bmw and have a 330ci thatÂ’s more fun. First thing on my agenda is to find a good piggy back issue or standalone prefurabley with a maf sensor and a wide band input so I have less chance of leaning out due to the climate .

  2. #2
    Join Date
    Mar 2012
    Location
    Renton, Wa
    Posts
    5,429
    My Cars
    98 m3
    If you want help with the engine management I can help you. Let me know.

    Otherwise m54 is a solid platform. You’ll need to lower compression for above 400whp or so.

    I can do stock bore, drop in, pistons for turbo if you’d like.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  3. #3
    Join Date
    Nov 2011
    Location
    Greece
    Posts
    78
    My Cars
    2001 530
    Check 'Boosted E46 World' group on facebook.

  4. #4
    Join Date
    Jun 2001
    Location
    hell
    Posts
    1,568
    My Cars
    turbo e36 m3/ stock s50/e30 m3
    I have ID1050x injectors for sale if you're interested


    96 M3, GT4094R, Arrow Rods, CP Pistons, Elring HG, cutring 87mm, 10 mm ARP studs,MS3pro, EMC Intercooler, n54 6 speed with Motiv twin disk, ZT-2 wideband, Zionsville Radiator, X-brace, H&R springs with bilstien shocks, QTP electronic cutout, Line Locks, stock exhaust 455rwtq, 453rwhp at 14 psi 91 octane.......684rwtq, 681rwhp at 24 psi running flex fuel E60 at time of dyno tune.

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