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| E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm Total Produced: 45,000+ - Years Produced: 2001 to 2006. |
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Wed, Sep-22-2010, 12:48:09 AM
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#31 | |
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Registered User
Join Date: Apr 2009
Posts: 187
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Quote:
I'm pretty sure if you remove the intake plenum you can reach the sensor. 
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2002 TiAg M3 Cabriolet  Dinan S-M3 Kit {Throttle Bodies/CAI/MAF/Stage 4 software} Dinan Strut tower brace & Front sway bar Auto Solutions SSK UUC Motorwerks "Rasp-X" mid-pipe Urethane RTAB's/FCAB's/RSM's Hawk HPS Brake Pads CDV delete V1 Hardwired THIS CAR IS NOW FOR SALE! |
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Thu, Oct-21-2010, 02:13:33 AM
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#32 |
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Registered User
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if it is plausibility it could be the ect sensor which is number 18. It could also be the thermostat. because that sensor is a 2 pin connector and one of the pin has a variable resistor. wait till the car is completely cold hook up decent diag computer that shows live data like coolant temp correspond with outside temp. air temp going into motor. also check oil temp. they should all be very close to each other. if motor is dead cold and just started. the one that is off is your issue. if they are close like from within one degree of each other then it is your thermostat.
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2003.5 M3 titanium sil meta.+black inter. MODS> Bilstein PSS10's, UUC EVO 3, UUC Lightweight flywheel M5 clutch, turner subframe reinforcement, PFlex fcab, rcab, diff, RougeEN tranny bushings, Turner camber arms, SS race, black kidney, gills, turn, corner's, taillights, and some junk ruff wheels cant wait till i get some BBS CH's which will be next on the list!! |
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| control, coolant, emission, engine, evaporative, plausibility, purge, temperature, valve |
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