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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999

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Old Sun, Mar-07-2010, 12:07:42 AM   #1
Carlos is My Co-Pilot
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Join Date: Aug 2007
Posts: 7,174
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Location: Near the Tannhäuser Gate

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Default Spring maintenance day v1.0: Caliper rebuild and filters

Temps hit mid- to upper-50s in Tha' Lou today so I got some quality time with the Silver Car. I had planned to do the VANOS but got a bit of a late start and didn't want to tear into it if I didn't have time to finish, so instead I did a few little maintenance items.

Ultimately it was fun and productive, but there were a couple rough patches as well...

1. Caliper rebuild

I started with rebuilding an old front caliper I had down the basement. I bought a seal kit for it a couple years ago when it was sticking, but decided it would be quicker and easier to just buy a reman and install it. Anyway, I figured I'd rebuild this one and put it on a for sale forum. Holy hell, not so easy as I thought. I could not get the dust boot to pop out around the piston to save my life, and ended up busting it. I was using 40psi at the tank(instructions say 3 bar, which is a little more than 40), but it just wouldn't pop over. Pisser. To be continued.

2. Air filter and MAF

The PO put a K+N panel filter in the ///M. I keep meaning to replace it, but haven't. I had about one use left on an old K+N recharge kit from my Jeep, so now that the cleaner and oil are pretty much used up, I imagine this will be the filter's last season in the car-- then it's back to paper...

3. Fuel filter

Again, holy hell. I cannot believe how hard it is to reinstall that clamp that holds the filter against the underside of the car.

4. Oil and filter

Don't think I need to elaborate on this.

And I know it sounds crazy, but I swear the seat-of-the-pants dyno registered a little boost in power after all this. It seems unlikely, unless the MAF was absolutely filthy or the fuel filter was clogging (it's been about a year and a half/15k miles since I've done them), but even if it's just my imagination, I'll take it. is showing possible showers for most of the day tomorrow, and I work outside on the driveway at my dad's (gotta get a place with a garage ), so I have to decide what I want to do about the VANOS. I'd like to get it done, but I also don't want to get it torn down and then be standing around in the rain. Decisions...
75 years and 350,000 miles of fun:

1998 M3/4/5 No mods, just maintenance

1983 CJ-7 No maintenance, just mods

1983 R65LS No intention of modding it, don't know how to maintain it

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caliper, day, filters, maintenance, rebuild, spring, v10

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Discussing Spring maintenance day v1.0: Caliper rebuild and filters in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)