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Time to refresh and upgrade the M20. Looking for feedback on both.

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    #31
    If you’re doing the coolant hoses then I’d imagine you’re removing the intake manifold (I know your engine is out of the car, but still). I don’t see the manifold gaskets and oil return tube o rings, and when I had everything done I had to wait a week because I forgot to order the thermostat housing gasket.

    I’m not trying to be nit picky, it just sucks to forget the little things.
    My son has the 1987 325e, 2 door, 5speed
    I daily the 1989 325i, 4 door, 5speed

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      #32
      Totally appreciate those tips. All of the above on their way from the two bimmerheads kits (head/block).

      Engine remains in the car. My strategy is to replace the entire exhaust ahead of the pull so I have nice new bolts to remove when it comes time to pull. Have ireland/ebay SS catback on hand and a DEC cat on order.

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        #33
        I need to order a midpipe. You like the DEC over Magnafliw?
        1991 318iC
        1989 325i Field Rescue

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          #34
          I like the price and what few reviews are out there. Will have it Tuesday and let you know.

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            #35
            RHD told me to use automatic trans flex plate bolts. Is this the right item at the right price?

            https://www.fcpeuro.com/products/bmw...lt-11221717840

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              #36
              Tooling up...

              Forgot I don’t have external Torx for the new head bolts. E14 is the socket needed fyi.

              Some long extensions and wobblers for the exhaust downpipe.

              A few powders to try and get a nice natural alum look to the underhood bits.

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                #37
                Well look who’s here. Fits up nicely to the a stock Sachs and weighs in at a feathery 7lb 6oz. When I get Squid to make my chip Im going to ask what can be done to stabilize or very slightly raise the idle to be sure its very dd friendly.

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                  #38
                  Gaskets and DEC cat pipe in the house. Exhaust replacement will be this weekend.

                  I am getting slightly cold feet about running the extremely light RHD flywheel as this will be a daily driver. SSSquid says they'd tune for a 900-1000 rpm idle to compensate. i reached out to a few on this board who installed the RHD and got generally positive feedback - interested to hear from anyone else who has installed it.
                  Attached Files

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                    #39
                    My RHD flywheel came last week. It is a pretty piece.

                    Having run light flywheels on other cars I've got no fear.

                    Ordered the DEC cats today after seeing your pics.
                    1991 318iC
                    1989 325i Field Rescue

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                      #40
                      I've lightened flywheels on cars before (let's say ~18>12lbs) but never something below 7.5lbs. I'm not at all worried about the actual driving part but a wonky, searching and racecar idle will bother me. What I love about the E30 is its ability to be a wife-friendly luxury sedan one moment and a lot of fun the next.

                      Presuming no nut-apocalypse I'll update my experience on the DEC this weekend. One thing to note is it doesn't come with any gaskets (seller on Amazon admitted the pic is wrong). I am not expecting it to be 100% perfect fit. Possible welding according to one reviewed on Amazon.

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                        #41
                        I saw that review, misaligned bracket. Hopefully they got is sorted out.
                        1991 318iC
                        1989 325i Field Rescue

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                          #42
                          I wouldn’t call it fun but all six downpipe to manifold nuts are off. Takeaway: you cant have enough combos of 14mm (for some I understand it will be 15mm) sockets wobbles universals extensions. The most critical clearance is at the nut to downpipe flange so I would say having the lowest profile sockets and joints. Note the difference between a universal and wobble. I did the unthinkable (gasp) and used non impact sockets with the impact once on account of it is thinner.

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                            #43
                            Exhaust down

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                              #44
                              Bracket at cat will need some work

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                                #45
                                Exhaust is up...

                                Exhaust work is never fun. I suppose this wasn't the end of the world. Took a full day working alone except for ten minutes at the end where a neighbor helped me hold the muffler while I fastened it.

                                Lessons learned:

                                1. Should have bought a new rear muffler heat shield. I ended up reassembling w/o as mine was more crust than steel. Think this is the part but really don't have the appetite to drop the system again to reinstall. https://www.fcpeuro.com/products/bmw...te-51481945429

                                2. Assemble rubber hangers to body then muffler to pre-hung hangers.

                                3. Fit at the catback-cat donut gaskets is fiddly, I had a leak at first then slacked, tried to re-align, tightened, metal-pounded and it seems good now.

                                4. I believe the muffler I removed may have been an Ansa. The ebay/IE is no louder. Which I am cool with.

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