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Thread: E46 330i Automatic - M54B30 Turbo

  1. #1401
    Join Date
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    2001 330i
    After years of wincing when driving over rough roads, I've decided to take a stab at routing the charge pipe from the turbo over the subframe. I need to re-do both the turbo inlet pipe, and the charge pipe, so I figured now is the time. Why do I need to re-do the charge pipe?

    I changed the turbo....again. The new turbo is capable of delivering over 100 lb/min of airflow, in a GT42 frame size.

    This lead to evaluating the intercooler situation, which resulted in a custom order from Bell Intercoolers. (21" X 14.3" X 4.5" core)

    PPF is doing a new intake manifold with an M54 based flange, so one of those is currently on order. An M62 throttle body will be mated to this, with new 3" charge piping from the intercooler.

    I got tired of using silicone hose connections, so all of the charge pipes will be fastened with LPS Fab couplings. (Sorry Jon, I just don't like Wiggens clamps)

    The current Synapse V1 Synchronic BOV is being replaced by a new V3 piece that will be non-recirculating.

    On the turbo side, I'll be using two Tial MVS wastage's welded directly to a 1.18 A/R twin scroll exhaust housing. A 4" downpipe will go from the turbo, to a 3" reducer to meet up with my current 3" exhaust system.

    The Steed Speed TS manifold will have the WG flange cut off, and then 6 (Six) lambda bungs will be installed. 5 bungs will go on the top surface of the manifold, and cylinder #6 will be installed to access flow from the back corner of the manifold.

    The new air flow sensor plan:

    Turbo Inlet Pressure
    Turbo Inlet Temp
    Turbine speed sensor (Machined into compressor cover by turbo manufacturer)
    Turbo Outlet Pressure
    Turbo Outlet Temp
    Intercooler Outlet Temp
    Inlet Manifold Temp (High Speed sensor)
    Inlet Manifold Pressure
    Individual Cylinder EGT
    Individual Cylinder Lambda
    Bank 1 Exhaust Pressure
    Bank 2 Exhaust Pressure
    Waste Gate Position Sensor
    Post Turbine Lambda
    Post Turbine EGT
    Post Turbine Pressure

    On the engine side:

    The block is being assembled with new bearings, PPF rods, and 9.5:1 pistons from DP.

    All of the timing chains and oil pump chain is being replaced, and I'm adding a tensioner to the oil pump chain.

    There are new 11mm Raceware head studs, (I've cycled out the old ones) and a cut-ring head gasket (Athena) is going to be used.

    The cylinder head got sent out for all new valve guides, and to have the valve seats re-cut.

    I decided to stick with the M54 valve cover arrangement, so a new one of those was ordered. (Was considering the M56 VC) I'm also going to continue to run the OEM ignition coils, as I don't have evidence of them being an issue yet. Time will tell....


    This will be the final specification of the engine for a while, as I want to spend more time with my family. That's not to say that I won't be busy doing stuff with the car, but I want to spend less time with it down, and more time out enjoying it. The current specification will easily take me to my current goals, and well into the future with whatever is next....

    The ZF transmission isn't going to last long with what I have planned. I really want to keep with an H pattern......being fun to drive is still at the top of my list...even going "slow".

  2. #1402
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    Did you have to do anything to fit a GT42 frame down there?


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  3. #1403
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    Quote Originally Posted by someguy2800 View Post
    Did you have to do anything to fit a GT42 frame down there?
    On the turbine side, it's basically the same size as the GTX40.

    On the compressor side, it's a custom cover that is very similar to the GTX40 cover. (4" inlet, and 2.5" outlet)

    The length of the assembly is slightly longer, so it's possible that I might have to notch the subframe a little bit, but it shouldn't be a big problem.

    If you look at a GTX42, PTE7675, or SXE400....the compressor housing would hit the block using the SS TS manifold.

  4. #1404
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    Quote Originally Posted by PEI330Ci View Post
    The ZF transmission isn't going to last long with what I have planned. I really want to keep with an H pattern......being fun to drive is still at the top of my list...even going "slow".
    I vote T56. Get Perry to make you a bellhousing and hit up GForce and tell them what you need it to take (I believe they rate them at 1200/1000). They can even do unsynchronized 1-4 for gear slamming at the track.

  5. #1405
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    Jun 2005
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    F90 M5; E36 M3 Turbo
    This car is a project car.

  6. #1406
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    A project usually has a defined end. Maybe a hobby car.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  7. #1407
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    Quote Originally Posted by TheJuggernaut View Post
    I vote T56. Get Perry to make you a bellhousing and hit up GForce and tell them what you need it to take (I believe they rate them at 1200/1000). They can even do unsynchronized 1-4 for gear slamming at the track.
    Vote?

    This is a dictatorship....nobody votes here!!!!

    Great suggestion though...thank you.

    Quote Originally Posted by pbonsalb View Post
    This car is a project car.
    Here's the thing: I have accomplished every goal I have set out for this project. I'm enjoying that more than most people know.

    Sure, there's always something "more" to chase, but for me this is what I like to do, and I enjoy sharing that enthusiasm.

    Quote Originally Posted by someguy2800 View Post
    A project usually has a defined end. Maybe a hobby car.
    It's always been a hobby.

    Lets just say I "finished" this car, there would be another one. There is some efficiency in this process in that 1 car is a lot less space than 2.

  8. #1408
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    Quote Originally Posted by PEI330Ci View Post
    Vote?

    This is a dictatorship....nobody votes here!!!!

    Great suggestion though...thank you.
    Just like real life - the serfs vote and the rulers tell them who won.

  9. #1409
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    Believe me I get it, we do the same thing


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  10. #1410
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    Bellingham, WA
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    e30
    I just like that you evolved from a GT30 frame turbo to a GT42 frame. Feedback/experience with the whole range!
    -Nick
    91 E30 M42 on VEMS

    Turbo Camshaft Thread

  11. #1411
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    Nov 2015
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    Miami, FL
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    2001 325i
    What is your power goal with the new turbo? I'm looking forward to some pictures of the new set-up.

  12. #1412
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    Quote Originally Posted by budgetbmw3 View Post
    What is your power goal with the new turbo? I'm looking forward to some pictures of the new set-up.
    I'm looking to be able to hold 7 PSI on the Wastegate spring....which should work out to about 300 ft/lb of torque up to 7600 RPM.

    I'd be super happy with that.

  13. #1413
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    Quote Originally Posted by TheJuggernaut View Post
    I vote T56. Get Perry to make you a bellhousing and hit up GForce and tell them what you need it to take (I believe they rate them at 1200/1000). They can even do unsynchronized 1-4 for gear slamming at the track.
    PPG makes a number of kits for the T56 gearbox.

    $10,300 USD gets you a complete set of H pattern guts that are Dog ring, and straight cut.

    $6,200 USD is the 1-4 gear dog rings, with standard gears 5 and 6. (This is what GForce offers)


    If you want to convert a T56 to sequential:

    $15,000 gives you a choice of 10 different gear ratio packages.


    If you want what they call a "Quick Change" T56 sequential:

    $18,500

    All of the above require you to have a T56 core to start with, and you get a "kit" that you will have to install into your core. (Labor extra)


    That Racing Channel (Youtube) just took delivery of a PPG Sequential kit for their R32 GTR build. At $16,362 USD....it's a decent commitment...

  14. #1414
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    Quote Originally Posted by wazzu70 View Post
    I just like that you evolved from a GT30 frame turbo to a GT42 frame. Feedback/experience with the whole range!
    I actually started with a Garrett T3/T4 60 Trim turbo (500hp) that was part of the Technique Tuning kit.

    That was sent away for a rebuild, with a 60-1 compressor wheel added (550hp)

    Then I got the GTX3076R (640hp)

    Tried the GTX4088R (850hp)

    ....and now I've got some GT42 based monster on the way. (1100+ HP)


    In 2022, I'll probably have a billet M54 block, a GTX55, and some kind of hybrid drive system on board....

  15. #1415
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    Quote Originally Posted by PEI330Ci View Post
    I'm looking to be able to hold 7 PSI on the Wastegate spring....which should work out to about 300 ft/lb of torque up to 7600 RPM.

    I'd be super happy with that.
    Glad to see you going big turbo.... so much goodness in this thread!
    WOT

  16. #1416
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    F90 M5; E36 M3 Turbo
    Quote Originally Posted by PEI330Ci View Post
    PPG makes a number of kits for the T56 gearbox.

    $10,300 USD gets you a complete set of H pattern guts that are Dog ring, and straight cut.

    $6,200 USD is the 1-4 gear dog rings, with standard gears 5 and 6. (This is what GForce offers)


    If you want to convert a T56 to sequential:

    $15,000 gives you a choice of 10 different gear ratio packages.


    If you want what they call a "Quick Change" T56 sequential:

    $18,500

    All of the above require you to have a T56 core to start with, and you get a "kit" that you will have to install into your core. (Labor extra)


    That Racing Channel (Youtube) just took delivery of a PPG Sequential kit for their R32 GTR build. At $16,362 USD....it's a decent commitment...
    You can also use Samsonas parts in a ZF320 housing if you want to spend a lot of money building a trans rather than use off the shelf parts that hold way more power than a stock ZF320 and require much less work and expense but still require some adapter parts, such as the T56 Magnum with adapter bell housing or the ZF GS6-53 that was fitted to 135/335/535 and the same trans but with a different bell housing was used on the twin turbo V8 M5 and M6.

  17. #1417
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    7 speed DCT and more Motec shit

  18. #1418
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    DCT shifts faster than any human and no reduction in boost during shifts and it’s got 7 gears. I think the 6 cylinder bell housing ones may need some work to hold the 800 lbs rwtq that will come with the 1000 rwhp but Dodson and others make clutch kits.

  19. #1419
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    I think that negates the whole fun to drive thing


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  20. #1420
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    Quote Originally Posted by someguy2800 View Post
    I think that negates the whole fun to drive thing
    How many pedals you got again? :P

  21. #1421
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    Quote Originally Posted by TheJuggernaut View Post
    How many pedals you got again? :P
    At least I still have to move my arm lol. I'll take wheelies over paddle shifters anyday.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  22. #1422
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    I don't get why people say DCT's are no fun to drive... sure I get rowing your own gears... it's fun, but so is blasting off split second shifts with ignition cut banging away each time you pull the paddle. And as an added bonus you can put it in auto and forget about the traffic jam ahead of you.

  23. #1423
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    Quote Originally Posted by someguy2800 View Post
    At least I still have to move my arm lol. I'll take wheelies over paddle shifters anyday.
    Yeah but where's the fun in that?

    1z2kbk6.jpg

  24. #1424
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    I like closing the door on a 993 a lot better than on a 991.

    Label me....

  25. #1425
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    '97 M3
    I had an SMG M3 for about five months and totally appreciated it in traffic. I didn’t like how the computer could let the clutch out smoother than I could. Damn those computers.

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