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E36/7 Z3 (1996-2002)
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  #1  
Old 10-06-2011, 05:03 PM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
Custom Roll Bar for a 97 Z3

I've been looking for a roll bar solution for my Z3. The option was not purchased when the car was new. So I've seen the roll hoop package from the dealer. Too much cash. I've seen the after market offerings. Some are decent but I want something different. A thought occurred to me. What about having a muffler shop bend some tubing for me to make a customer roll bar? I can then have it powder coated or chromed. Any thoughts on this idea?
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Last edited by mr. slate; 10-06-2011 at 05:05 PM.
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  #2  
Old 10-06-2011, 06:26 PM
Monolith Monolith is offline
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Mein Auto: 1997 Z3 1.9L DASC Auto
The roll hoops were not an option in 1997. The A pillars are your rollover protection. Lawyers took over and the roll hoops appeared in 1998.

There are non-functional chrome units that just slide into the two side posts. Usually found on eBay.
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  #3  
Old 10-08-2011, 12:52 PM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
Okay. Thanks for the feedback.
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  #4  
Old 10-08-2011, 06:29 PM
tohbi tohbi is offline
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Mein Auto: z3 '97 atlanta blue 2.8
so, any opinions on how much protection the a-pillars provide in the event of a rollover?
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  #5  
Old 10-08-2011, 09:42 PM
Cityconstable Cityconstable is offline
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Location: Boston ma.
 
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Mein Auto: 1997 z3 2.8
just a thought

If you're sliding down the highway, upside down, you may have more problems than a thin metal tube may be able to fix. I like the looks of my 97 with no bar and lets be honest, do you really think that the seat belts in the z are going to hold you in the seat suspended above the road as it slides by? I think not, besides most peoples heads are taller than the bars. so lets try and keep the tire side down and spend that money on premium gas.
J-Lo
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  #6  
Old 10-09-2011, 09:58 AM
E36ic4me E36ic4me is offline
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Location: The Bay Area, CA
 
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Mein Auto: 1996 Z3 & 1999 328ic
Although roll bars were not available in 97', the 97' model year does have all of the mounting points to install them. All you would need is a rear compartment area (with the holes for them) and the roll bars themselves. Installation is VERY easy. You can find these sets frequently and cheaply on eBay, usually around $400 for everything.
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  #7  
Old 10-09-2011, 03:20 PM
KBH22102 KBH22102 is offline
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Your Z3 production date must be after 1/97 for the pre-drilled holes to be there; for 2.8's VIN after LC01377 and for 1.9's VIN after LB83105. Some 97's were actually built in 1996 and so will not have the drilled holes. Earlier cars will have to have the mounting brackets welded in. To address the OP's question about having some pipes bent to fit the outboard mount tubes, I'm not sure the cost savings will be much over an aftermarket such as the Harddog which is truly functional, and will be comparable to the eBay chrome hoops

Last edited by KBH22102; 10-09-2011 at 03:24 PM.
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  #8  
Old 10-09-2011, 06:56 PM
E36ic4me E36ic4me is offline
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An example of what I mentioned earlier:

http://cgi.ebay.com/ebaymotors/BMW-Z...#ht_2178wt_941
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  #9  
Old 10-09-2011, 11:38 PM
tohbi tohbi is offline
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yes, cityc, i agree that our cars look better without the roll bars [mine is a replica of yours] and i've never liked these shoulder harness seatbelts. better the old lap belt that kept one firmly in place and able to control the vehicle.

but, in my experience, rollovers usually happen off the road, like when one skids and flips over. in such an instance, the a-pillars might be a help. i'm just wondering if anyone has anecdotal evidence of how strong they are.
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  #10  
Old 10-10-2011, 01:32 AM
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Pinecone Pinecone is offline
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I have seen pictures of an M that was flipped at the track. Supposedly several flips. The A-pillars resisted the forces enough that the windshield was not even cracked.

There used to be a cut away of the A-pillars at the Zentrum. There is a tube inside a box inside the metal you see. Very strong.

As for head height, most people will duck their chins to their chest to avoid contact between their head and the ground.

A muffler shop does bends that crush the tubing, making a VERY weak bend. A bar like that will be for looks only, it will collapse with very little force. Even more so without a cross brace.

Also chrome plating weakens steel until very special precautions are taken. So chrome roll bars are for looks only.
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  #11  
Old 10-10-2011, 08:11 PM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
Nice discussion folks. An ideal situation would be a rollbar that is both aesthetically pleasing and functional. My 97 was built after 1/97 so I'm assuming the brackets will be there. I also appreciate the technical feedback regarding the bent tube and chrome. I'd never know if I didn't ask. I don't particularly like the looks of the Harddog product but it is clearly a safer option. I prefer the look of the factory roll hoops. Since they are a factory item I assume they are also functional in a rollover situation. Again, I appreciate all the feedback.
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  #12  
Old 10-17-2011, 07:08 PM
io14 io14 is offline
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Mein Auto: BMW Z3 325XI
Z3 roll hoops

Hey Mr.Slate

I too have a 97 Z3, production was 1/97 so the mounting holes were there to accept the OEM roll hoops. I was able to obtain the OEM roll hoops on Ebay along with all of the interior trim panels etc for around $400.
The problem you will have is that you have to change out the storage box as well, check real oem.com and you can see that you will need a few more accesories to go along with the roll hoops.
I'll attach some pictures so you can see what I had to go through to find all of the parts, installation is a peice of cake, really
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  #13  
Old 10-17-2011, 07:18 PM
io14 io14 is offline
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Z3 OEM roll hoops

Mr. Slate

EBAY HAS what you are looking for as we speak !

http://www.ebay.com/itm/BMW-Z3-Roads...item3f0eee413c
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  #14  
Old 10-19-2011, 11:38 AM
dpspeed dpspeed is offline
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Honestly, if you want a 'rollbar' the BEST solution is a 4 point roll bar. The hoops from the factory will be MUCH better than nothing, but I bet it will be cheaper/easier to buy and install a hard dog bar.

Check them out, I've had a couple on 2 different Miatas, will definitely have one on a Z3 when I take the plunge!

I like the one with the diagonal brace! http://bethania-garage.com/z3.htm
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  #15  
Old 10-19-2011, 12:39 PM
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Pinecone Pinecone is offline
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In the Z3s, the 4 point bars cannot get the rear legs at the correct angle, so they arenot much better than the factory hoops.
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  #16  
Old 10-20-2011, 04:42 AM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
I bought the factory hoops on Ebay last night. I will post my experience with the install. Thank you all for your input. It was very helpful in my decision making process.
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  #17  
Old 10-20-2011, 09:30 AM
E36ic4me E36ic4me is offline
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I love the factory ones. Great appearance, functionality and you can now get the OEM Windblocker if you so choose!
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  #18  
Old 10-20-2011, 03:28 PM
KBH22102 KBH22102 is offline
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Quote:
Originally Posted by mr. slate View Post
I bought the factory hoops on Ebay last night. I will post my experience with the install. Thank you all for your input. It was very helpful in my decision making process.
Nice pickup. Have fun with installation. There will be many ready to buy your old console. Hope the plastic matches well (textures changed after 4/99)
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  #19  
Old 10-22-2011, 09:06 PM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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I'll post the results when I'm done. The hoops are scheduled to arrive next week.
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  #20  
Old 11-04-2011, 05:46 AM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
Update: Very disappointed. I purchased the perfect roll hoops and interior piece combination on eBay. The package was damaged in transit by UPS. The seller was not helpful at all. He/she basically stated that I was on my own with the claim even though I never received the product. I have taken the proper steps to attempt to recover the funds. This is obviously a major hassle. I will avoid this seller in the future (lifesabeach99). Back on the search for roll hoops/bars.
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  #21  
Old 11-04-2011, 07:13 AM
Monolith Monolith is offline
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Mein Auto: 1997 Z3 1.9L DASC Auto
eBay holds the funds from the seller's account for a certain time period for situations like this. You need to notify ebay as quickly as possible. That way the seller can't access the funds until the dispute is settled. Insurance is always a good idea when shipping.
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  #22  
Old 11-05-2011, 06:36 AM
mr. slate mr. slate is offline
Tom
Location: SoCal
 
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Mein Auto: 1997 Z3 2.8
Thanks Monolith. I have contacted eBay, Paypal and my credit card company. The dispute is well documented. I do not use the eBay process very often. I learn something new every day. I will definitely use the insurance option going forward.
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  #23  
Old 10-04-2019, 09:26 AM
Sasha Kanter Sasha Kanter is offline
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hey can i get your guys opinion on this? yes yes i know this is an old thread but my friend referred me to these but id love to extra opinions

https://www.ebay.com/itm/BMW-E36-Z3-...0AAOSwoPBdbdj9
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  #24  
Old 10-04-2019, 12:11 PM
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vintage42 vintage42 is offline
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Location: Louisville, KY
 
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Mein Auto: 1997 BMW Z3 1.9 5MT
Looks like a complete set of roll hoops with base mounts and bolts. Very rare to find, and priced very low. If your car is 1/97 or later, it should be pre-drilled and tapped for the mounts. If earlier, you would have to drill holes or weld.
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  #25  
Old 11-25-2019, 02:44 PM
Sasha Kanter Sasha Kanter is offline
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Quote:
Originally Posted by vintage42 View Post
Looks like a complete set of roll hoops with base mounts and bolts. Very rare to find, and priced very low. If your car is 1/97 or later, it should be pre-drilled and tapped for the mounts. If earlier, you would have to drill holes or weld.
ive been gone for a bit but have you had any type of experience with it?
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