These reasons are the most common causes of this problem. Your BMW E46 car may be undergoing a little fuse problem or low pressure from the fuel pump. Replacing the bad fuse or assisting the fuel pump to have more pressure can do the trick for your car. Also, you may need to check the fuel level, exhaust pipe, spark plug, and coils too. The E46 3-Series suffered from a design flaw in which the mounting points for the rear subframe would crack or tear over time, causing some serious damage to the chassis if left untreated. Table of Contents show E46 battery drain. SOLVED!!! I have an E46 2003 320i Msport. I thought I would share my experience as all the info I got from forums kept leaving me at a dead end with a dead battery. Turns out they were all right- FSR is usually the problem. Anyway, my battery kept draining within a week, if I parked up on Sunday the alarm would be sounding by The Top 5 Most Common problems with BMW E46 Suspension are: ‘Judder’ while hard Cornering; Rear Squeaking Noise; Steering wheel shake at low RPM; Knock Sound while Steering; Front ‘Clunk’ Noise; BMW E46 Suspension. The BMW E46 is the fourth generation of the BMW 3 Series range manufactured between 1998 and 2005. The E46 was an amazing platform with one of the best engines that BMW ever made as far as driving goes, however its cooling system wasn’t exactly rock solid. E46 M3 2004 SMG Coupe. Colour Combo. Carbon Black/Black Leather. Nov 18, 2012. #10. Started fine for the last few days I've found that it only doesn't start in cold weather 4 degrees or less guaranteed. So cold no start on a warm day no problems. But taking it in to get the starter checked out on Tuesday. 4. Permanent fixes for e46 M3 catastrophic failure modes that everyone should do BEFORE they have an issue. 5. Permanent fixes for e46 M3 common failure areas Attached to this post is the official BMW inspection check form for the e46 M3. If you want to check all of the areas of the car the BMW things will wear out, this is your document. The BMW N52 seems like one of the brand’s all-time greats, if I’m being honest. For one thing, I love using it. It’s underpowered by today’s standards, especially in my 2006 325i (the The E36 M3 is powered by the BMW S50 straight-six engine. It was the first M3 to use a six-cylinder engine, which has since been used in the majority of M3 models (albeit in turbocharged form since 2014). What are some of the most common issues for the E46 chassis? BMW e46 Cooling System Failure/Leaks from Plastic Components: Weak Rear Shock Mount. The car came with two transmission options — a 6-speed manual, and an SMG II gearbox. The latter turned out to be the cause of a serious issue that pulled many cars off the road. More specifically, the M3 E46 SMG pump issue is what caused all the ruckus, and today we’ll try to give you a brief rundown on what this issue means and how enNSH.