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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 12-12-2003, 02:18 PM
killeen_john's Avatar
killeen_john killeen_john is offline
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Location: Stamford, CT
 
Join Date: Aug 2003
Posts: 170
Mein Auto: 00' M Roadster, 07' Mazda
Question factory ride height specs M Roadster?

Does anybody know the factory ride height specs as well as how to measure for a 2000 M Roadster? I'm thinking of getting lowering springs, but I first want to see how close I am to stock ride height.

Thanks in advance,

JohnK
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2000 M Roadster
Estoril Blue, Black Top, Grey & Black Interior
H&R/Bilstein, IE subframe bushings, H&R Front/Rear Sway Bars, CL Strong Strut, GC End Links, GC RSM, UUC short shift, UUC TME, UUC Clutch Arm Bushing, UUC Clutch/Brake line, Aluminum T-stat housing, S54 radiator, Stewart water pump, lower temp T-stat/fan switch, Aluminum Pedals, Z3 Solutions Trunk Organizer, LeatrherZ armrest, Clear Bumper Lights, BMW 6 disc, Axxis Deluxe Plus, Doug Whalen seat bushings, Soundgate SDSBMW
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  #2  
Old 12-12-2003, 05:50 PM
Ron Stygar's Avatar
Ron Stygar Ron Stygar is offline
19,585 Miles
Location: CT
 
Join Date: Mar 2002
Posts: 11,143
Mein Auto: Z4 M Coupe 6LL93033
Quote:
Originally Posted by killeen_john
Does anybody know the factory ride height specs as well as how to measure for a 2000 M Roadster? I'm thinking of getting lowering springs, but I first want to see how close I am to stock ride height.

Thanks in advance,

JohnK
Measuring my coupe I come up with numbers not even close to the BMW spec. I measured my car shortly after installing the Koni SA sport shocks in a parking lot at Newport. Right next to mine was a stock M coupe. I then measured again tonight.
Measure your car and compare to a couple of stock ones. The M coupe is supposedly lower than the M roadster.

Newport----------------Tonight
Ron's
Front L 26 12/16--------26 9/16
------R 26 6/16---------26 5/16
Rear L 23 9/16----------23 7/16
-----R 23 11/16---------23 5.5/16

Jim/Dee's
Front L 26 12/16
------R 26 10/16
Rear L 23 13/16
-----R 24 2/16





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  #3  
Old 12-14-2003, 06:45 PM
killeen_john's Avatar
killeen_john killeen_john is offline
Officially Welcomed to the 'Fest
Location: Stamford, CT
 
Join Date: Aug 2003
Posts: 170
Mein Auto: 00' M Roadster, 07' Mazda
Quote:
Originally Posted by Ron Stygar
Measuring my coupe I come up with numbers not even close to the BMW spec. I measured my car shortly after installing the Koni SA sport shocks in a parking lot at Newport. Right next to mine was a stock M coupe. I then measured again tonight.
Measure your car and compare to a couple of stock ones. The M coupe is supposedly lower than the M roadster.

Newport----------------Tonight
Ron's
Front L 26 12/16--------26 9/16
------R 26 6/16---------26 5/16
Rear L 23 9/16----------23 7/16
-----R 23 11/16---------23 5.5/16

Jim/Dee's
Front L 26 12/16
------R 26 10/16
Rear L 23 13/16
-----R 24 2/16
Ron,

Are your measurements from the wheel lip or the ground? Also are you using the height measuring tool or the wheel arch? From the ground to the lower edge of the wheel arch, I have the following:

Front Left 25 10/16"
Front Right 25 13/16"
Rear Left 26 10/16"
Rear Right 26 10/16"

These measurements seem quite different from the Coupe. My 00' Roadster is 1" lower up front and 2+" higher in the rear.
__________________
2000 M Roadster
Estoril Blue, Black Top, Grey & Black Interior
H&R/Bilstein, IE subframe bushings, H&R Front/Rear Sway Bars, CL Strong Strut, GC End Links, GC RSM, UUC short shift, UUC TME, UUC Clutch Arm Bushing, UUC Clutch/Brake line, Aluminum T-stat housing, S54 radiator, Stewart water pump, lower temp T-stat/fan switch, Aluminum Pedals, Z3 Solutions Trunk Organizer, LeatrherZ armrest, Clear Bumper Lights, BMW 6 disc, Axxis Deluxe Plus, Doug Whalen seat bushings, Soundgate SDSBMW
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  #4  
Old 12-14-2003, 07:00 PM
Ron Stygar's Avatar
Ron Stygar Ron Stygar is offline
19,585 Miles
Location: CT
 
Join Date: Mar 2002
Posts: 11,143
Mein Auto: Z4 M Coupe 6LL93033
Quote:
Originally Posted by killeen_john
Ron,

Are your measurements from the wheel lip or the ground? Also are you using the height measuring tool or the wheel arch? From the ground to the lower edge of the wheel arch, I have the following:

Front Left 25 10/16" 26 2/16"
Front Right 25 13/16" 26 1/16"
Rear Left 26 10/16" 26"
Rear Right 26 10/16" 26 1/16"

These measurements seem quite different from the Coupe. My 00' Roadster is 1" lower up front and 2+" higher in the rear.
I'm using the lower wheel lip in all cases like mentioned above bulletin. For the front, I'm using the tool which only works on the front. I use the top of the wheel arch for the rears.
From the ground to the wheel arch Fenders) I come up with the measurements I added next to yours.
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  #5  
Old 12-14-2003, 07:23 PM
Ron Stygar's Avatar
Ron Stygar Ron Stygar is offline
19,585 Miles
Location: CT
 
Join Date: Mar 2002
Posts: 11,143
Mein Auto: Z4 M Coupe 6LL93033
I remeasured the car like I did before. When I measured it the first time it had been jacked up, let down and moved back and forth in the garage. Took the car for a ride yesterday.

First time------------Tonight------Tonight, your method
Front L 26 9/16------26 11/16-------26 2/16
------R 26 5/16------26 3/16---------26 1/16
Rear L 23 7/16------23 10/16--------26
-----R 23 5.5/16-----23 11/16--------26 1/16
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