2004 Bmw E46 problems

Common 2004 Bmw E46 problems

The BMW E46, produced between 1997 and 2006, is known for its impressive looks, road handling, and features, including the inline 6 cylinder petrol engines. However, as with any car, the BMW E46 has its share of common problems that owners should be aware of, especially for the 2004 model year.

• Weak Rear Strut Mounts: The E46 3-Series is known for weak rear strut mounts, which can lead to abnormal noises, uneven tire wear, excessive vibration, and increased wear of shock absorbers.

• Rear Subframe Mounts: The rear subframe mounting points on all E46s are prone to cracking or tearing, especially in areas with snow, salt, and moisture.

• PCV (Positive Crankcase Ventilation) Failure and Clogging: The M54 and M52 6 cylinder engines in the E46 suffer from PCV failure and clogging, which can lead to leaky, oil-weeping seals of the timing cover, oil pan, and the PCV valve cover.

• Vanos Issues: The double Vanos engines (320i, 325i, 330i) are known for their Vanos issues, which can make an E46 a nightmare to own and maintain.

• Cooling System Malfunctions: The BMW E46 is known for cooling system malfunctions, which can lead to engine overheating and potential engine damage .

• Power Steering Fluid Loss: Many owners of the BMW E46 report power steering fluid loss, which can lead to problems with the power steering system.

• Electrical Troubles: The BMW E46 is also known for electrical troubles, which can range from minor issues like faulty interior lights to major problems like engine control unit (ECU) malfunctions .
• Suspension Issues: Suspension issues are common in the BMW E46, with problems ranging from worn-out bushings to damaged struts and shocks .
• Engine Problems: Engine problems are also common in the BMW E46, with issues ranging from oil leaks to engine misfires and performance issues .

In conclusion, while the BMW E46 is a great car with impressive features, it is essential to be aware of these common problems, especially for the 2004 model year. Regular maintenance and timely repairs can help prevent these issues from becoming major problems and ensure the longevity and reliability of the car.

Is a BMW E46 reliable?

Key Takeaways. The BMW E46 3 Series, particularly the 318i, was a reliable and affordable choice with good fuel efficiency and maintenance costs. The E46 was a significant improvement in comfort compared to its predecessor, the E36, offering better suspension, increased comfort, and a better balance.

How many miles will a BMW E46 last?

I've personally seen numerous models surpass the 200,000 mile mark, like my own 236,000-mile E46 ZHP, while online we've seen some odometers surpass the 400,000 and 500,000-mile thresholds. But there hasn't been a time when I've heard of an example with mileage so high that it actually broke the odometer, until now.

Are 2004 BMW reliable?

It has been very reliable and has all the features I could want in a car. It's still running perfectly with about 275,000 km on it now. I do maintenance as recommended by the BMW club which includes some preventive maintenance. Repair costs have been about the same as other cars.

Is E46 hard to maintain?

The E46 M3 is honestly not that hard to take care of. There are a few major things you should always keep an eye on and those are outlined in the Mandatory section at the bottom of this article, but otherwise it's easy. Not too expensive either. This is a 20+ year old car now and parts are available or cheap.

Is a BMW E46 reliable?

Key Takeaways. The BMW E46 3 Series, particularly the 318i, was a reliable and affordable choice with good fuel efficiency and maintenance costs. The E46 was a significant improvement in comfort compared to its predecessor, the E36, offering better suspension, increased comfort, and a better balance.

Are BMW 2004 reliable?

If you are willing to do routine maintenance and drive responsibly there really is no limit to how long you can keep a BMW. They are made to last. We have a 2004 BMW 530i that looks as good as the day it was made and it has over 230,000 miles on it.

Is E46 hard to maintain?

The E46 M3 is honestly not that hard to take care of. There are a few major things you should always keep an eye on and those are outlined in the Mandatory section at the bottom of this article, but otherwise it's easy. Not too expensive either. This is a 20+ year old car now and parts are available or cheap.

Is a 2004 BMW 325i a good car?

The BMW 2004 325i sedan can be a good buy, but it totally depends on a few key things. First off, it's a classic BMW from the E46 generation, known for its stellar balance of performance and luxury. People love it for its smooth ride, precision handling, and that sweet inline-six engine.