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  • New Journal: Rhubarb

    Hi all

    A long overdue update here. The previous Coupe was sold, but I wasn’t without one for long!


    Here is the coupe when I picked it up. Bare bones stock with the exception of the KWV3 suspension. It has also had a recent respray and Mr Vanos had worked his magic. Full service history which is mainly BMW. The car was on 101k miles.

    20160429_153255_zpsx9ee83u2 by mnbrennan, on Flickr

    20160429_153309 by mnbrennan, on Flickr

    The first thing to do was to install a stormwerks gear knob (along with a brand new gear gaitor), retrimmed steering wheel (courtesy of Royal Steering Wheels) and the Simota carbon fibre induction kit. I also put in the rear mat (sorry, no pictures of these).

    The smoked sidelights and indicators were replaced with OEM

    The seats needed a bit of a tidy up including the usual bolster wear on the driver’s side. A little scuffmaster brought them up fine.

    20160430_143951 by mnbrennan, on Flickr

    20160501_063623 by mnbrennan, on Flickr

    The next thing I wanted to install is the seatlift mod courtesy of Southernboy. This lifts the front of the seats by only 5mm and is made out a solid piece of metal. You’d think that 5mm wouldn’t make much difference, but it instantly makes the seat much more comfortable.

    20160611_143322_zpsxxtxsfmx by mnbrennan, on Flickr

    My clutch was difficult to use when the engine was hot. This is the typical coupe issue of a weak existing clutch hose when expands when under pressure and hot. A change to an Earl’s clutch hose now means that the gear change it as it should be.

    20160618_083723 by mnbrennan, on Flickr

    The window sliders weren’t operating as they should be, so the door cards came off and the sliders were re-greased. No doubt I will replace them at some point. There was also a leak from the top of the a-piller. Using another washer I simply raised the front quarter window to re-seal the window and have fortunately been dry since (and through some torrential downpours)

    Next I saw some chaps on eBay were modifying Becker head units. I believe that these headunits were an optional extra from BMW, and suit the interior perfectly. The guys take all of the LED lights out of the fascia and match them to a BMW colour, and then de-solder the EEPROM in order to add a custom start up logo. Here are the end results:

    DSCF0746_zpspiroku3o by mnbrennan, on Flickr

    A little sad but I think it is a nice touch.

    The interior of the engine bay required a tidy up from years of built up grime. I must have spent about 15 – 20 hours under there tidying everything up.

    20160506_180935 by mnbrennan, on Flickr

    20160611_140457 by mnbrennan, on Flickr

    I also installed a refurbished rocker cover and plenum from Aceman. A replacement which was well worth it.

    20160612_142911_zpsirq96dzt by mnbrennan, on Flickr

    20160612_142919 by mnbrennan, on Flickr

    I sourced some gutted rear exhaust boxes from Duncan on this forum, as I wanted a little more noise from the exhaust. I find the standard exhaust is very quiet, expecially compared with newer cars such as the (non)M235i and M2. There is perhaps a little too much rasp nearer the top end, but it’s much better than a standard exhaust. I’ll upload a video in the new year at some point.

    I refurbished the wheels as I wasn’t content with the original finish. Whilst the refurbished wheels look great from afar, but on closer inspection there are ripples in the finish. I like the colour so I am planning a fresh refurbishment early this year.

    Finally, I replaced the bumper with a new one from BMW. There were a couple of cracks in the paint which I assumed were from previous repairs. The new bumper was painted by the guys who re-sprayed the rest the car, which meant a perfect match.

    20161029_124309 by mnbrennan, on Flickr
    Last edited by mnbrennan; 20-01-2018, 09:45 AM.

    Build thread:

  • #2
    I entered a couple of competitions for calendar entries, and managed to get into both calendars! Here are some pictures from the year:

    20160507_093953_zpsnk8mjqvq by mnbrennan, on Flickr

    20160730_162105 by mnbrennan, on Flickr

    20160731_173847 by mnbrennan, on Flickr

    20160922_133029 by mnbrennan, on Flickr

    20161001_074912_zps9xdbqcrp by mnbrennan, on Flickr

    20160922_133300 by mnbrennan, on Flickr
    Last edited by mnbrennan; 20-01-2018, 09:49 AM.

    Build thread:


    • #3

      Right now, the car is up on axle stands with the wheels, front quarter panels and sills off. The sills are being replaced as there is a small amount of corrosion.

      20170204_155811_zps1vpqssao by mnbrennan, on Flickr

      I am dropping the rear subframe, as I want to get the entire back end tidied up. There is a small amount of surface corrosion on the end of the inner box sills which will be easily tidied up, zinc primed and painted. I’ll then cover in some Dynax UC for protection. The same process will be followed for any rust spots at the back of the chassis.

      Current: 20170129_133554_001 by mnbrennan, on Flickr

      I’ll be replacing the rear calipers as the current set are from an M3, not the Z3M specific calipers. They are currently with Bigg Red being refurbished and zinc plated. I’ll also be painting over the top of that (silver) for more protection.

      The subframe, diff, and trailing arms will be tidied up and repainted (considering powder coating). The following will be replaced:
      • Subframe bushes (poly)
      • Trailing arm bushes
      • Diff bush (maybe poly)
      • Front and rear discs and (yellowstuff) pads
      • Stainless brake hoses
      • Brake backing plates
      • Tank straps
      • H&R ARBs

      All nuts and screws will be replaced. Anything not replaced will be refurbished.

      I’ll also be giving the entire car a machine polish with a new rotary, and trying my new Wowo’s product range.

      Most of this work will be completed ahead of my first show of the year on 4th March, taking a week off to complete the work.
      Last edited by mnbrennan; 20-01-2018, 09:52 AM.

      Build thread:


      • #4
        Nice work Martin - I have similar plans for rear subframe this year
        1998 ///M Coupe


        • #5
          Keep us updated


          • #6
            Great journal Martin and well deserved rewards for your efforts. I look forward to seeing it in the metal this year.

            I will drop you a message to arrange a local meet when the weather improves.

            My BSL. Breadvan Sport Lightweight.

            S54 - 18" BBS RS GT/KW V3/H&R/Rogue TM/AC Schnitzer Flippers/Brembo Calipers/CSL Discs/PFC Pads/20mm Spacers/Carbon Fibre Roof/Fibreglass Bonnet/Fibreglass Boot/Lexan Window/Custom Cages Roll Cage/Lithium Battery/Recaro Pole Positions/Schroth Harness/Randy Forbes Braced Floor/Airbags Delete/Lightweight Door Cards/UUC EVO3 Short Shift Kit/E34 M5 Clutch/UUC Single Mass Flywheel/Vibra Technics Competition Engine Mounts/3.46 Diff/Prospeed Exhaust/200 Cell Cats/Strong Strut Brace/ESS+ASA Supercharger Kit/Alpha N/497bhp - 1315KG


            • #7
              Looking good! I bet that small rust on the car sills is on most Coupes - you just can't see it under the outer sill covers.

              As I'm doing the same on my rear suspension soon I'll watch out for updates! (and maybe you can give me a hand with mine when you're back in Manchester ). As I said on Facebook I would personally leave the diff mount stock, a poly bush would transfer diff noise/vibration to the cabin I think.


              • #8
                Well done Martin, looks great so far. Keep the good work up. Hope to see you at a few events this coming year.
                Pete C

                2000 Z3M Coupe - Cosmos Black Metallic/Black interior. 805 of 821 RHD built

                Previous BMWs

                2003 E46 M3 6 speed manual - Carbon Black/Black interior.
                2000 Z3M Coupe - Cosmos Black Metallic/Black interior. 692 of 821 RHD built
                1986 M635
                1985 E28 M5
                1983 E28 528i Alpina


                • #9
                  Some debate on polybushes here


                  • #10
                    Good read, Martin

                    I'm thinking new sills and a good under sill check/correction for mine as well. Do you have any photos of the affected areas?
                    2002 '52 S54 - Titanium Silver with 18" BBS LMs, AP Racing BBK, KW V3, H&R anti roll bars & ACS flippers (previously 2000 'X' S50 - Arctic Silver)


                    • #11
                      From those photos, mine was the same; surface rust near where the frotn and rear wings join and there was some around the jacking points on mine as the hard plastic point must just rub it a bit. Nothing to be concerned about as the chassis rails are uber thick and the rust is surface (plus the sill "covers" themselves can be replaced and stonechipped/waxoyl'd on the inside).


                      • #12
                        I have some POR 15 on order so I'm hoping to treat the sills at the weekend. I'll post an update probably on Sunday

                        Build thread:


                        • #13
                          No pictures I'm afraid. I've spent the weekend trying to get the 4x pesky Allen heads out to drop the subframe. FML

                          Build thread:


                          • #14
                            I remember tackling these when I got the car as I had a "butt strut" I fitted for a short time, so the car was only 6yrs old at the that time; they were almost trying to round then but cam out ok and I just replaced them with 13mm bolts, so hopefully they will come out ok next time - no idea why they chose that bolt type, a torx would have been better or a proper hex head bolt!


                            • #15
                              Originally posted by mnbrennan View Post
                              No pictures I'm afraid. I've spent the weekend trying to get the 4x pesky Allen heads out to drop the subframe. FML

                              Well known for being a proper PITA ,