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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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Old 04-06-2015, 04:54 PM
Quinton3 Quinton3 is offline
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Location: New York
Join Date: May 2014
Posts: 2
Mein Auto: 1999 BMW 323i Sedan
1999 e46 BMW 323i NO CRANK

I posted about this same problem almost a year ago. To this day i cannot figure out what the problem is with my car. On days when it is hot out and my car is sitting in the sun, my car just won't start. Wont even crank. This also happens when i have ran my car a lot on a hot day. I don't know if it is related but i go through coolant fluid super quick. i have to refill about every 2-3 weeks. Its driving me absolutely nuts. My car will start on a cold day no problem at all on the first try. When it sits in the sun, if its hot enough, my car won't start for hours at a time. i have to wait until its gets cooler and the sun goes down. please. someone. HELP. I also just replaced the starter thinking it was the problem. no such luck.

Last edited by Quinton3; 04-06-2015 at 05:11 PM.
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Old 04-07-2015, 06:29 AM
ahull's Avatar
ahull ahull is offline
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Location: Carolina
Join Date: Apr 2006
Posts: 4,236
Mein Auto: ist schnell! (03 330i SC)
Heat causes things to expand, including circuits. An ignition switch is cheap enough and they fail with age. Easy to replace too. Try holding the key in crank position for 90 secs when it balks at cranking.

The wiki has a little more info.

Sounds like you have a coolant leak. Check the wiki for more information on cooling refresh intervals.
2003 330i TiAg Sport Pkg ~90k miles
DIY MODS: AA Stage I supercharger, Meyle HD FCAs w Powerflex CABs, Bilstein shocks, Meyle HD Rtabs, Angel Eyes, Clear Corners/Markers w/ LEDs, LED tails, ZHP rims, Akebono pads, AUX input
DIY E46 Merit Badges: Sunroof resurrection, CCV, OFHG, VCG w/ VANOS seals, DISA, Cooling Refresh I, steering giubo, window regs, Magnetic Infandibulator (see wiki)
DIY On deck: Rear Diff bushing. UUC SSK, clutch job eventually, Wavetrac LSD
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