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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 06-05-2013, 10:43 AM   #1
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Join Date: Jun 2013
Location: London
Posts: 3
My Ride: M3
M3 won't start

Hi can need sum suggestions on how to start my M3 lol. I have a 2004 SMG. She was chocking in low gears then SMG cog light came up on the dash I switched hur off now she is dead she wont crack over at all. I have changed the salom relay but still nufin
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Old 06-05-2013, 12:44 PM   #2
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Join Date: Nov 2010
Location: Oregon
Posts: 836
My Ride: 02' SMG M3
Check the obvious first? dead battery, and search..
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Old 06-05-2013, 07:33 PM   #3
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Join Date: Jan 2008
Location: new york bethpage
Posts: 31
My Ride: 2004 m3
M3 won't start

Smg pump relay most common under hood by relay box

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Old 06-05-2013, 09:17 PM   #4
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My Ride: 2 pedals - 2 paddles
Get the codes read. You should check the obvious first. All belts intact. Battery is charged. Nothing is visually broken or missing. Then when you get the codes can go from there.
In order to finish FIRST, you MUST first FINISH !

Joy is future proof
Get your "M" on . . .
Reading is FundaM3ntal

2003 TIAG Coupe / Blk Interior / SMG / HK Premium
EU-CSL Coded / Macht Schnell intake / OEM CSL Wheels / OEM CSL Diffuser / Dinan Exhaust
Full LED Conversion / HID fog / Aurora AE / RE RTAB FCAB

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Old 06-10-2013, 12:06 PM   #5
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Hey tnk you so much for ur reply dum me took it to the stealer 900 labour charge just to look at the cluch well they have had hur for 3 days now & called today to say in order to get the exhaust off to look at the cluch they need to brake the clip & apparently as they r rusty this will cost me an extra 110 = a whooping 1100 before any repair has even been done. OMG no wonder the dealership has been very fairly name the STEALER.
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Old 06-11-2013, 04:24 PM   #6
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Join Date: Nov 2006
Location: South Africa
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My Ride: 325iS,E36M3,E46M3
My guess is that the clutch hydraulic fluid is running low and therefore the pressure for the gearshift is too low for the pump to prime. SMG lights comes on, and the car won't start as a protection for the gearbox. Try topping up the hydraulic fluid, prime the SMG pump a few times by turning the key on/off a couples of times (maybe 15 or 20 times) and she should start. Good luck.
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