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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > Z Series > E36 /7 Z3 (1996-2002)

E36 /7 Z3 (1996-2002)
E36/7 Z3 roadster and coupe talk with our gurus here.

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  #1  
Old 04-21-2005, 05:48 PM
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Bob Clevenger Bob Clevenger is offline
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Location: Ontario, Calif.
 
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Mein Auto: '06 650i Coupe
Odyssey battery in M-coupe

As mentioned previously, the OEM battery in my '02 M-coupe had given up the ghost.
I was looking for a better option. Well I decided on the Odyssey battery. This is a sealed dry-electrolyte battery that is similar to the Optima series, but shaped more conventionally. No fumes. This is important to me when the battery is inside the car.
This is not a cheap solution. The PC1700T that I chose is right about $200. OUCH! I hope it is money well-spent!

Some modifications to the battery cover were needed. They are shown in the attached photos. The battery fits very well in the box without the foam spacer and needs no vent.

The battery seems to have a lot of cranking power. Manufacturer's specs say 875 CCA, 3.5 milli-Ohms internal resistance, and 68 Amp-hours at a 20 Amp rate.

Photos are attached.
First pic is the battery in the box without the cover.
Second pic is the modified cover.
Third pic is the finished installation with modified cover in place.
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Monaco Blue 650i coupe; 6MT, HUD, ACC, ZCW, ZPS. Redelivered 20 July 2006
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  #2  
Old 04-22-2005, 09:56 AM
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rlcanon rlcanon is offline
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Location: Austin, TX, y'all
 
Join Date: May 2002
Posts: 204
Mein Auto: '02 M Coupe
Were the cover mods needed because the Odyssey is taller than the stock battery?
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  #3  
Old 04-22-2005, 10:57 AM
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Stouffville Z3 Stouffville Z3 is offline
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Mein Auto: 97 Z3 2.8
Just don't try the lightweight hawker batteries. Hugo did at BFC, now he has to keep a trickle charger on at night to avaid no start mornings!
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  #4  
Old 04-22-2005, 01:49 PM
Michael Rose Michael Rose is offline
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Location: Huntington, NY
 
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Posts: 36
Mein Auto: '00 Z3 2.3
Question What about BATCAPs?

Quote:
Originally Posted by Stouffville Z3
Just don't try the lightweight hawker batteries. Hugo did at BFC, now he has to keep a trickle charger on at night to avaid no start mornings!
I was wondering if anyone was familiar with these?

Xstatic Batcaps

I originally heard about these batteries being used in Electric and DIY Hybrid projects. I don't have any experience with them myself. The size and weights savings seems interesting.
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  #5  
Old 04-22-2005, 05:30 PM
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Bob Clevenger Bob Clevenger is offline
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Mein Auto: '06 650i Coupe
Quote:
Originally Posted by rlcanon
Were the cover mods needed because the Odyssey is taller than the stock battery?
The 1/2" holes are due to the Odyssey being a little taller. The trimming at the front is because it is significantly longer (it fills the battery box) and the positive cables and the "doo-dad" attached to one of them don't clear the stock cover.

You could probably avoid the cover modification by changing terminals, but I didn't want to do that.
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Monaco Blue 650i coupe; 6MT, HUD, ACC, ZCW, ZPS. Redelivered 20 July 2006
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  #6  
Old 04-22-2005, 07:24 PM
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rlcanon rlcanon is offline
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Location: Austin, TX, y'all
 
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Once the cover is modded the hatch floor fits fine, though?
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  #7  
Old 04-22-2005, 10:38 PM
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Bob Clevenger Bob Clevenger is offline
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Quote:
Originally Posted by rlcanon
Once the cover is modded the hatch floor fits fine, though?
Yep.
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Monaco Blue 650i coupe; 6MT, HUD, ACC, ZCW, ZPS. Redelivered 20 July 2006
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  #8  
Old 05-16-2007, 07:36 PM
Badqarma Badqarma is offline
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Location: San Francisco
 
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Mein Auto: 01' MCoupe
In finding a replacement battery I found a vendor selling odyssey PC1700MJT for $149 + shipping. He's in the east coast so total shipped to the east coast is under $200.

He's sending me mine shipped to SF for $200.

If anyone cares
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  #9  
Old 05-17-2007, 11:37 AM
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Palantirion Palantirion is offline
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Mein Auto: 2003 M5-S2, 2002 540iT-S2
I don't know if it's helpful to you, but I've been running an Odyssey 680 in my Z4 MC for months now with no problems. Just don't leave you lights on with the car off
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  #10  
Old 05-17-2007, 02:14 PM
Badqarma Badqarma is offline
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Quote:
Originally Posted by Palantirion View Post
I don't know if it's helpful to you, but I've been running an Odyssey 680 in my Z4 MC for months now with no problems. Just don't leave you lights on with the car off
You put a motorcycle battery in you z4?
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  #11  
Old 05-17-2007, 03:02 PM
Ragnarok Ragnarok is offline
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Mein Auto: 1999 Z3 Coupe
Quote:
Originally Posted by Badqarma View Post
You put a motorcycle battery in you z4?
Got one in my Z3, as well. Same model of battery.

Quote:
Originally Posted by Stouffville Z3 View Post
Just don't try the lightweight hawker batteries. Hugo did at BFC, now he has to keep a trickle charger on at night to avaid no start mornings!
Interesting. I've had this battery for a year now; did just fine in the Roady, sat unused all winter, and now works just fine in the Coupe. Never had to charge it. *knock wood*
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1999 Z3 Coupe
Removed: spare/jack/tool kit/fog lights/A/C/knee bolsters/center cargo bulkhead/subwoofer housing/rear wiper/trunk floor
TCK S/A coilovers
BBS 3-piece magnesium racing rims
Unorthodox crank & alternator pulleys
MZ3 shifter
Shift light
Momo steering wheel
Odyssey lightweight battery
Corbeau seats
M diff cover/swaybar links
IE subframe bushings
Supertrapp muffler
HMS harness bar
Current weight, 10-02-07: 2,700 lbs est.
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  #12  
Old 05-17-2007, 03:08 PM
Ragnarok Ragnarok is offline
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Mein Auto: 1999 Z3 Coupe
Quote:
Originally Posted by Michael Rose View Post
I was wondering if anyone was familiar with these?

Xstatic Batcaps

I originally heard about these batteries being used in Electric and DIY Hybrid projects. I don't have any experience with them myself. The size and weights savings seems interesting.
Looks high quality, but very expensive....
__________________
1999 Z3 Coupe
Removed: spare/jack/tool kit/fog lights/A/C/knee bolsters/center cargo bulkhead/subwoofer housing/rear wiper/trunk floor
TCK S/A coilovers
BBS 3-piece magnesium racing rims
Unorthodox crank & alternator pulleys
MZ3 shifter
Shift light
Momo steering wheel
Odyssey lightweight battery
Corbeau seats
M diff cover/swaybar links
IE subframe bushings
Supertrapp muffler
HMS harness bar
Current weight, 10-02-07: 2,700 lbs est.
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  #13  
Old 05-17-2007, 07:30 PM
Palantirion's Avatar
Palantirion Palantirion is offline
Z4 Mvangelist
Location: Southern CA
 
Join Date: Jun 2006
Posts: 4,225
Mein Auto: 2003 M5-S2, 2002 540iT-S2
Quote:
Originally Posted by Badqarma View Post
You put a motorcycle battery in you z4?
-It's not a motorycle battery, but is similar in size. It has plenty of cranking amps for an auto.
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  #14  
Old 05-18-2007, 12:30 AM
Badqarma Badqarma is offline
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Location: San Francisco
 
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Posts: 35
Mein Auto: 01' MCoupe
Quote:
Originally Posted by Palantirion View Post
-It's not a motorycle battery, but is similar in size. It has plenty of cranking amps for an auto.
It's not? The application list for the PC680 are all motorcycles....

Although it does seem to have simular CCA's than that of a lead acid battery. Perhaps a PC1700 is an over kill...

http://www.odysseybatteries.com/battery/pc680.htm

Last edited by Badqarma; 05-18-2007 at 12:42 AM.
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  #15  
Old 05-19-2007, 05:55 PM
Palantirion's Avatar
Palantirion Palantirion is offline
Z4 Mvangelist
Location: Southern CA
 
Join Date: Jun 2006
Posts: 4,225
Mein Auto: 2003 M5-S2, 2002 540iT-S2
Quote:
Originally Posted by Badqarma View Post
It's not? The application list for the PC680 are all motorcycles....

Although it does seem to have simular CCA's than that of a lead acid battery. Perhaps a PC1700 is an over kill...

http://www.odysseybatteries.com/battery/pc680.htm
-Strange. Either I heard wrong, or was informed wrong. I'll go find out...
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  #16  
Old 05-19-2007, 11:26 PM
Ragnarok Ragnarok is offline
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Location: Toledo, Ohio
 
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Posts: 198
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Mein Auto: 1999 Z3 Coupe
Quote:
Originally Posted by Palantirion View Post
-Strange. Either I heard wrong, or was informed wrong. I'll go find out...
As far as I know, they're originally intended for motorcycles, sure, but people use them in cars all the time. The PC680 just happens to be the smallest one with enough power to crank a normal car. I have the PC680MJ, myself.
__________________
1999 Z3 Coupe
Removed: spare/jack/tool kit/fog lights/A/C/knee bolsters/center cargo bulkhead/subwoofer housing/rear wiper/trunk floor
TCK S/A coilovers
BBS 3-piece magnesium racing rims
Unorthodox crank & alternator pulleys
MZ3 shifter
Shift light
Momo steering wheel
Odyssey lightweight battery
Corbeau seats
M diff cover/swaybar links
IE subframe bushings
Supertrapp muffler
HMS harness bar
Current weight, 10-02-07: 2,700 lbs est.
Reply With Quote
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