Welcome!
Yeah I remember that conversion- I'd think it would be way easier to build a turbo system for the 5 without using the Speed3 hardware and then use a piggyback ECU setup like AEM FIC to manage it. If it was my primary I would have done it already.
I didn't expect it either- the calipers...
I don't know that I ever saw it discussed, but here it is. I overboosted the brightness and contrast on the pictures so that you guys could hopefully see things better. Apologies for the night time pics and lack of additional clearance photos- but we were doing this outside in the snow at 1am on...
Uhhhh... one is not better than the other. Bosch is a German company- they probably make quite a few of the OEM applications for BMWs. NGK is a Japanese company. They make OEM spark plugs for many Japanese cars. Both make applications for cars from other countries too. It all comes down to...
I haven't had many issues with Bosch Platinum plugs in an OEM application (wife's 5), but I did kill a few tips in really high compression engines. Not fun.
I used Mobil1 in the stock weights, had no issues- but had no crunching before either- and I'm in Texas vs your QC. I saw your post in the other fluid thread. Redline is good stuff. Give it a try.
Took me about 4 hours in the driveway with no lift and no lights in the middle of the night, with two engine mounts dead (thought it was only one) so I ended up supporting the entire engine on one elbow while replacing the clutch one-handed through a 3 inch gap. Fun.
I bought an Exedy OEM...
I used the ASWC-1 on mine. There was supposed to be a way to program it to use the arrow buttons to go to the next preset, but I never bothered to figure out how- the wife drove the 5, not me. I only used it for volume.