2002-2006 Mini Cooper S (R53)
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Spare tire for 2004 Cooper S

Old 05-23-2009, 07:40 PM
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Join Date: May 2008
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Question Spare tire for 2004 Cooper S

Sorry for the dumb question, but I'm not mechanically inclined. I want to purchase a spare tire for my 2004 Cooper S. The previous owner exchanged the run-flats, and I don't have a spare. I have noticed in other posts that people are recommending the Chevy Cobalt spare as an inexpensive alternative. Will this spare fit my Cooper? I have 17in wheels, and was unsure if the car would be off balanced with the spare on. Also read something about it only fitting on the back, so with a flat on the front I would have to move a wheel from the back to the front and then put the spare on the back? Any information would be appreciated.
Old 02-19-2010, 06:06 PM
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Join Date: Nov 2009
Posts: 16

Where are you going to store the spare? Fold the rear seats down and put it there? On the roof?

I don't have run flats on mine either. I carry a can of puncture seal.
Old 02-19-2010, 07:36 PM
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Join Date: Feb 2008
Posts: 2,309

The easy spare is the honda civic 4 lug 4 on 100mm
your correct on having to swap to the rear ...

I carry a tire mobility kit , slime and mini air compressor, a plug kit , and a can of fix a flat ...and a AAA card If I can't fix it I call for a tow or have the wife bring me the spare
Old 02-26-2012, 10:40 AM
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Join Date: Feb 2012
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I have a 2007 Mini Cooper S and i found a used spare tire for a Honda Civic at a salvage yard for $50.00. You can mount it under the car easily, just click on the link for step by step instructions on how I did it myself:

In this project I will provide instructions for the relocation of the muffler to provide space to mount a compact spare tire for about $100 in materials including a wheel/tire and new muffler.


Why do I need a spare tire? Well, back in August of 08' one of my run-flats was punctured by a piece of metal that I ran over on the freeway, it was unrepairable. I had 17,500 miles on the clock and there was still tread left on the run-flat tires but I was tired of the harsh ride and road noise. I bought four Hankook H714's for $405.87. One replacement run-flat would have cost me $283.93

Fast forward to May of 2010: This is what will happen if you don't have a spare tire: I punctured the sidewall when I hit a curb making a u-turn at 10:00 at night. I called my sister to pick me up and I removed the offending tire while waiting for her. I had to rest the car on a rock that I found in someones front yard (very heavy rock-had to carry it 1/2 a mile) and abandon it (the Mini) while I had a new tire mounted the next day after jury duty, had to drive my pick-up. I am just glad the Mini was parked in a nice residential neighborhood overnight and I'm glad this didn't happen on the way to Las Vegas. I still have the rock and it now sits in the grass on the side of the house.

I took the car to the local muffler shop and asked how much it would cost to relocate the muffler. They put the Mini on the elevator to have a look. The mechanic said that there was not enough room to relocate the stock muffler and that an after-market muffler that is small enough to fit would be way too loud. Well, he was wrong!

I have since mounted a spare tire and here is how I did it:

Part I - removal of stock muffler and mounting of new muffler

1. Place the car on four jack-stands

2. Pull off the two rubber muffler hangers on either side of the muffler, doing this will allow the muffler and pipe to drop down an inch or so to facilitate the cutting of the pipe just in front of the muffler. As you can see in the photo - the cut does not have to be perfect.

I cut the pipe with a 4-1/2 inch angle grinder that my brother in law gave me for Christmas. You can buy one for $21.99 from Harbor Fright Tools. While you are under the car with the grinder, cut off and grind flush two small (6mm) screws that protrude from the underside of the tray where the jack and tire iron are housed. There are three other screws that are situated around the "D" shaped rubber grommet that are not in the way of anything so I didn't touch them.

3. You can now remove the heat shield that was sitting above the muffler by unscrewing two bolts where the exhaust tunnel ends. Also un-bolt the muffler hanger brackets and discard.

4. The stock muffler is too big so you can buy a Cherry Bomb Turbo II Muffler for $19.99. They sound the same during normal driving and are only a little bit raspy if you put your foot on the gas hard.

5. You must now fabricate two new "hanger brackets". I made these from 1-1/2 X 1/8 mild steel for the base and 3/8 re-bar (materials were left over from previous projects). They will be attached to bolts that are already in place (the mounting location for the non "S" mufflers)

7. I used a Lincoln Weld Pac 3200 Wire Feed Welder to weld up the brackets. This welder is very easy to use (if you are new to welding) and runs on 110 normal house current. You could find a used one for $200.00

8. Next step is to make a pair of brackets and attach them to your new Turbo II muffler. A 3/8 bolt was welded to the end of the brackets that will slide into the rubber muffler hangers. Before you weld, you must remove the aluminum coating from the muffler where the welding will take place. These new muffler brackets will attach to the "hanger brackets" using the old rubber muffler hangers.

9. Buy one 90 degree elbow pipe $6.25 and one 45 degree elbow pipe $6.25 and weld them together to your muffler (before welding, remove the galvanized coat from the areas of pipe to be welded). A 2-1/4 $2.59 exhaust clamp will attach the whole kit and caboodle to the pipe you cut earlier.

Make sure to raise the exhaust pipe by inserting a spacer (piece of wood) between the pipe and the bracket (located at center of car) that bridges the tunnel that the pipe sits in and then tighten the exhaust clamp so that it cinches the 90 degree elbow tightly around the pipe.

The tail pipe sticking out from the muffler should be modified so that the exhaust gasses exit down towards the pavement.

I made a shield from 16 gauge aluminum backed with Dynamat to protect the bumper and trim from the hot exhaust gasses.

The shield is held in place by one pre-existing bolt (seen directly above the last rivet on the right) and three 3/16 aluminum blind rivets that go through the bottom of the bumper trim and cannot be seen unless you stick your big head under the car. The photo shows what a rivet gun and rivet look like. Very useful and inexpensive tool.

The original heat shield that was removed earlier should be re-reformed around the new muffler (bends very easily) and attached with a couple of rivets to the undercarriage. The original heat shield should be attached to the new one with a couple of rivets as seen on either side of the exhaust pipe in the image above.

I used a Pneumatic (compressed air powered) grinder ($20.00 at Harbor Freight) to remove excess material from the center hole of the compact spare wheel.

10. Go to a salvage yard and buy a used compact spare wheel/tire (I paid $50.00) from a Honda Civic. This wheel will require that some material be removed from the center hole so that it will fit on the Mini's rear hub.

11. Use a tungsten carbide cutting bit in the pneumatic grinder, also $20.00. You will need a source of compressed air. Don't bother trying to stick the cutting bit in a drill - doesn't turn fast enough and will take forever. Prime and paint the wheel where the excess metal was removed to avoid rust.

Part II: Mounting the Tire

1. Pop the rear hatch and remove the black styro-foam tray that houses the jack and tire-iron.

2. Inside the bottom of the depression where the tray sits, pop the "D" shaped rubber grommet out thus exposing a "D" shaped hole. I used a piece of 3/16 aluminum plate that I drilled in three corners. It slips over the three existing bolts. The nuts/washers were originally used to secure the heat shield that is now held in place by rivets.

A hole large enough to accommodate a 3/4 bolt must be drilled in the aluminum plate so that it lines up with the center of the "D" shaped hole.

Fabricating the wheel hanger:

1. I used a 4" X 4" X 3/16" piece of steel and welded a 3/4" bolt $2.99 to it. I drilled a hole in the top of the bolt with my drill press (#7 drill bit $3.89 or 13/64) and then cut threads in it with a 1/4-20 tap $4.39.

You will then need to buy a threaded rod 1/4 X 36" $6.99 (I cut it down to fit into the foam tool tray and used a piece of rubber tube to protect the first couple of inches of thread). I drilled and tapped a 1/2 piece of re-bar to use as a handle and secured it to the threaded rod with a tack from my welder.

You can now place a 3/4" nut and lock-washer onto the threaded rod and then stick the threaded rod through the hole in the aluminum plate and screw it into the 3/4" bolt head by turning it with the re-bar handle

With one hand grasping the re-bar handle, pull up allowing the 3/4 bolt to slide through the hole in the aluminum plate then use your other hand to thread the nut onto the bolt.

Now you must make a bracket to keep the tire from coming into contact with the rear suspension as well as to keep the tire stable in its new position

Here we see the bracket as it holds the tire level and away from the suspension arm

Next step is the removal of the stock exhaust pipe tips with an Allen wrench. I made the heat shield and the exhaust tip bracket and brace with my box and pan brake.

I made a bracket from 16 gauge sheet metal and attached the pipe tips with a couple of stainless steel 3/16 rivets.

Stainless rivets are much stronger than the aluminum rivets and I want to be sure that these tips will not fall off.

Here is the bracket as seen from under the car. I welded a couple of tabs to a piece of metal that runs under the car parallel to the bumper then attached the tip bracket with some 1/4-20 nuts and bolts. I also made a brace to keep the bracket from moving back and forth and attached it with self taping sheet metal screws.

Here is the car with the non-functional tail pipes. Now you know what the materials cost and what tools and skills are necessary to perform this modification. If you can't do it yourself, you need to go to a muffler shop and find a sheet metal fabricator and show them this post.

Good Luck![/QUOTE

Last edited by bad venge; 02-26-2012 at 07:30 PM.
Old 01-03-2015, 11:27 AM
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Join Date: Dec 2014
Posts: 15

I just got an '03 Mini Cooper S and was wondering about the spare tire options. I can check into the Honda spare but wondering if the wheel would fit upright behind the back seat? I was thinking of carrying Fix A Flat but in the freezing winters here, I don't think that would be a viable option for carrying around in the car?

According to the owner's manual, some models had the spare under the car. Not this one, of course. And I don't have $$$ for running flat replacements (if that's what's on the car now...)
Old 05-08-2017, 04:37 PM
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Join Date: Apr 2017
Location: Houston, Texas
Posts: 8

I have a 2010 Cooper Clubman S. It has 17" wheels/tires and the wheels are 7 1/2" wide. I read about the Honda Civic space-saver spare being an option. Went to my local "Pick-A-Part" and found the Civic wheel to be only 13". I then found a 14" wheel, with 4 lug, 100 mm bolt circle diameter. I had measured the inside of the wheel well and found it to be about 21" inside diameter. This tire was 20 1/2". Also the width was such that it should fit in the wheel well. Paid $17.50; brought it home; cleaned it up and Armor-Alled the whole thing; looked like new. There was only one problem:
THE DAMN THING WOULD NOT FIT OVER THE FRONT BRAKE DISC/CALIPER; AND IT WOULDN'T FIT THE REAR EITHER. It might work on the rear with a spacer, but then the bolts would need to longer. Perhaps the S model has larger brakes or something.
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