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Which engine would you choose for a swap?

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    #91
    Originally posted by Andrew325is View Post
    Do you get any chatter and excessive vibration with the lightweight flywheel?
    Chatter I dont experience.
    There was very little change in vibration with stock driveline mounts, but those are so mushy.
    When I went to the E21 trans and Bimmerworld Gruppe N engine mounts, yeah if got pretty rowdy.
    I personally dont care much about that much, I have a pretty high tolerance for NVH if the car is fun to drive.
    With the lightweight flywheel, stiff mounts and stiff bushings throughout the suspension its like a go kart.
    Jimmy P.
    87 E30 M3 Prodrive British Touring Car
    88 E30 M3 Zinnoberot - Garage Queen
    88 E30 M3 Lachsilber - SCCA SPU #98
    92 M Technic Cabrio - S14 Powered!
    98 318Ti Morea Green
    04 Ford F350 Dually Tow Machine

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      #92
      Originally posted by nando View Post
      24v exhaust is pretty raspy, yeah. I do think M20s sound better overall. Actually, I don't really like loud exhausts at all - induction noise is where it's at IMO.
      The older I get, the more I agree with you on the loud exhaust part.
      Autobahn Motorsport - Portland, Oregon
      @autobahnmotorsport
      '88 M5 | '88 325i | '88 325is | '88 330is | '91 325is | '91 M-Technic 325ic | '93 740il | '03 325it

      Comment


        #93
        Originally posted by nando View Post
        24v exhaust is pretty raspy, yeah. I do think M20s sound better overall. Actually, I don't really like loud exhausts at all - induction noise is where it's at IMO. The S54 with the CSL airbox is the best sound ever (except maybe the S70 V12).

        The popular mod with new BMWs is muffler deletes. Literally, people cut off the muffler on their mom's old 328i. It sounds horrible, probably what people are thinking of when they say the newer cars sound like crap. Then they pay extra for a tune that makes them backfire, or if it's new enough, to "enhance" the fake engine sounds coming through the speakers. God, BMW sucks these days...
        Agreed, that is why I love my S65 the induction noise is intoxicating!

        The S54 with an xpipe removes all the rasp.

        Everyone thought I was crazy putting in an E36 M3 exhaust with my swap thinking it would be too quiet, I think its perfect, quiet when at idle and normal speeds and wakes up very nicely when punched.

        I also dont like loud exhausts. Getting old:)
        Euro Delivery Thread///E30 Project Klaus

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          #94
          The exhaust on my 330i is completely stock. Somebody gave me a mid pipe (no cats) - I thought about it for like 10 minutes, realized I'd have to cut stuff, and was like, nahhh. I'll save it for the E30.
          Build thread

          Bimmerlabs

          Comment


            #95
            Originally posted by agent View Post
            :loco:
            Hahaha, I donít think Iíve been hanging around here long enough to call anyone crazy but Iím sure glad you and Austin didnít let that comment slide.
            My son has the 1987 325e, 2 door, 5speed
            I daily the 1989 325i, 4 door, 5speed

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              #96
              If you guys are making a case for engine sound, obviously you are all too young to not have ever heard a race S14.

              There isnt a better sounding engine than "maybe" the P60B40.

              https://www.youtube.com/watch?v=tR-wOK85ruw
              Jimmy P.
              87 E30 M3 Prodrive British Touring Car
              88 E30 M3 Zinnoberot - Garage Queen
              88 E30 M3 Lachsilber - SCCA SPU #98
              92 M Technic Cabrio - S14 Powered!
              98 318Ti Morea Green
              04 Ford F350 Dually Tow Machine

              Comment


                #97
                most s54 where you hear the exhaust sound rubbish, the S52 even worse, i am not sure the m20 is any better TBH. all of them sound better with quieter exhausts.
                89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

                new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

                Comment


                  #98
                  Race s14's are atleast 25-30k. And p60 is non existent, you'd be better off getting a Juud V8.

                  https://youtu.be/cyqJxXolico

                  Sent from my SM-G970U using Tapatalk
                  91' 318is 90' 325is

                  Originally posted by Sonny
                  Buy the E30s, they ain't gonna last long
                  E30 can make you, E30 can break you
                  "He who controls the Nova's, controls the Boomers"

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                    #99
                    Why the M54> the M52? Isnt the M52 real easy to swap?
                    85% of the time i have no idea what I'm doing

                    Comment


                      Because it's heavy, underpowered and really old. If you're fine with a 200k junkyard swap, good for you..
                      Build thread

                      Bimmerlabs

                      Comment


                        alloy block m52 with S52 crank would probqbly be acceptable. Still has the povo spec vanos though
                        Last edited by digger; 07-14-2019, 08:14 PM.
                        89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

                        new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

                        Comment


                          Alloy block M52s are extremely rare here.
                          Build thread

                          Bimmerlabs

                          Comment


                            We seem to be getting engine sound and exhaust sound mixed up. The exhaust sound on the built M20 in that video sounds awful. Maybe the engine sounds lovely, but you can't hear it becomes it's enveloped in the exhaust sound. IMO the S54 engine sound is very nice and that's what I was referring to, but I've heard very awful sounding exhaust on S54 cars. I can't hear the M20 much in my car. It's not a loud engine the way it is and combined with sound deadening and the stock exhaust it doesn't sound like much, so I agree there that it sounds lovely (or rather the lack of annoying exhaust sound is lovely.)

                            The sound of that race S14 is beyond lovely.
                            Last edited by Andrew325is; 07-14-2019, 11:46 PM.
                            Plug and Play Wiring Harness Adapters for S54, S50, M54 and more.

                            Comment


                              Originally posted by Slybeanx View Post
                              Why the M54> the M52? Isnt the M52 real easy to swap?
                              That's a good point. The M52 is right in there. Pretty close to the stock S14 by the numbers. I guess I should have just labeled that poll option as "Alloy block M5x".
                              Plug and Play Wiring Harness Adapters for S54, S50, M54 and more.

                              Comment


                                Originally posted by nando View Post
                                Alloy block M52s are extremely rare here.
                                Not really. There are 2 pages of listings for Z3 2.8 engines on car-part.com at auto wreckers around the country and 7 with under 100k miles. Plenty of salvage part cars too at the various auctions.
                                Plug and Play Wiring Harness Adapters for S54, S50, M54 and more.

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