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Hard starting when cold, 6 volt parts.....???


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  • Alpina

Looking to do a tune up and wondering where you guys are getting your 6volt items? 

Car has a hard time starting when cold, so I'm going to give it new electronics components and see if it solves some of the issues. Any other input is greatly appreciated....





1968 BMW 2002 (Bristol/Granada)

1969 BMW 2000 NK (Florida)

1971 BMW 2000tii Touring Malaga (Restoring)

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Yep! Believe it or not, I'm in Carmel Valley and last winter the temp dipped to 29 degrees. Hell ,12 volt cars don't like that.  So, what I did was purchased an Optimas 6 volt ( 300 more cranking amps) swapped in electronic points. I noticed my battery would get down to 6.5 volts after a week in storage (hard to start at 6.5) but not when driven daily. Dynamo seems to charge battery,until you drive at nite with the high beams on, then the battery is low the next morn. I do use start fluid when its in the low 30's. If you store your car indoors then it shouldn't be much bother. The main improvement was the Optimas battery and clean plugs. Note:if your roter button isn't making a good contact at top inside of distributor cap, then your not getting full 6volt bang. Found that out after several plug spark chacks. Did I mention i also put a new coil in?  Not sure if this helps. 2cents worth.

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OK. So I went and started the car today, after 1 month in storage with the battery unplugged. Thought I would drain the battery by the time fuel got to the carb. But she came to life. Having seid that I will admit I have been thinking of converting to 12volts. I would drive the car at night, and enjoy it! I don't know if doing so would hurt  value. But not much is original. Paint,engine, trans. I had bought all the  conversion parts to do so, then changed my mind.  And sold them at half the price. What do you think?  I purchased a sway bar kit from UUC. Its for a TI and hope it fits. I had purchased a rear Arb bar from Eric and it seems correct but no hardware. Gave up on the forum when looking for a single front bar. Couple of guys said they had one. But flaked out.  Dems da brakes! Ah-well progress,progress, progress. Better stop here!  Thanks

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I've been running 6 volts, with points, for 6 years without issue.  You can't let the battery get weak so give it a charge every so often.  It may need replacing, they spin slow even when new so it's hard to tell but the starting voltage drop makes it hard for the coil to generate a good spark if you have a slightly weak battery.


What 6 volt parts are you looking for?  There are no 6V specific parts in the ignition, other than the coil, and the old ones seem to go for a loooong time.



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