BMW 3 Series E46 (1998–2006)

4.2/5
Reliability score Good
Email-verified reliability report

Model and generation reliability insights from verified owners. Variants are selected when adding reviews.

6 Verified owner reports

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Most reported affected parts

View all parts
1
Oil leak
2 reports
2
Gearbox
2 reports
3
Power steering
2 reports
4
Driveshaft
1 reports
5
Window regulator
1 reports

Engine reliability summary

Petrol

Engine Score Reports Common issues
316i (105 Hp) (M43B19) 4.0 3 Oil leak, Gearbox, Power steering
316i (116 Hp) (N42B18) No reports 0 No issues reported
316i (116 Hp) Automatic (N42B18) No reports 0 No issues reported
316i (116 Hp) Steptronic (N42B18) No reports 0 No issues reported
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318Ci (118 Hp) (M43B19) No reports 0 No issues reported
318Ci (143 Hp) (N42B20) No reports 0 No issues reported
318Ci (143 Hp) (N46B20) No reports 0 No issues reported
318Ci (143 Hp) Automatic (N42B20) No reports 0 No issues reported
318Ci (143 Hp) Steptronic (N42B20) No reports 0 No issues reported
318Ci (143 Hp) Steptronic (N46B20) No reports 0 No issues reported
318i (118 Hp) (M43B19) No reports 0 No issues reported
318i (118 Hp) Automatic (M43B19) No reports 0 No issues reported
318i (143 Hp) (N42B20) No reports 0 No issues reported
318i (143 Hp) Steptronic (N43B20) No reports 0 No issues reported
320Ci (150 Hp) (M52B20) No reports 0 No issues reported
320Ci (170 Hp) (M54B22) No reports 0 No issues reported
320Ci (170 Hp) (M54B22TU) No reports 0 No issues reported
320Ci (170 Hp) Automatic (M54B22) No reports 0 No issues reported
320Ci (170 Hp) Steptronic (M54B22) No reports 0 No issues reported
320Ci (170Hp) Steptronic (M54B22TU) No reports 0 No issues reported
320i (150 Hp) (M52B20TU) No reports 0 No issues reported
320i (150 Hp) (M52B20) No reports 0 No issues reported
320i (150 Hp) Automatic (M52B20TU) No reports 0 No issues reported
320i (150 Hp) Automatic (M52B20) No reports 0 No issues reported
320i (170 Hp) (M54B22) No reports 0 No issues reported
320i (170 Hp) Steptronic (M54B22) No reports 0 No issues reported
323Ci (170 Hp) (M52B25) No reports 0 No issues reported
323Ci (170 Hp) Automatic (M52B25) No reports 0 No issues reported
323i (170 Hp) (M52B25TU) No reports 0 No issues reported
323i (170 Hp) Automatic (M52B25TU) No reports 0 No issues reported
325Ci (184 Hp) (USA) (M54B25TU) No reports 0 No issues reported
325Ci (184 Hp) Steptronic (USA) (M54B25TU) No reports 0 No issues reported
325Ci (192 Hp) (M54B25) No reports 0 No issues reported
325Ci (192 Hp) (M54B25TU) No reports 0 No issues reported
325Ci (192 Hp) Automatic (M54B25) No reports 0 No issues reported
325Ci (192 Hp) Steptronic (M54B25) No reports 0 No issues reported
325Ci (192 Hp) Steptronic (M54B25TU) No reports 0 No issues reported
325i (192 Hp) (M54B25) No reports 0 No issues reported
325i (192 Hp) Steptronic (M54B25) No reports 0 No issues reported
325ix (192 Hp) (M54B25) No reports 0 No issues reported
325xi (192 Hp) (M54B25) No reports 0 No issues reported
325xi (192 Hp) Steptronic (M54B25) No reports 0 No issues reported
328Ci (193 Hp) (M52B28) No reports 0 No issues reported
328Ci (193 Hp) Automatic (M52B28) No reports 0 No issues reported
328i (193 Hp) (M52B28TU) No reports 0 No issues reported
328i (193 Hp) (M52B28) No reports 0 No issues reported
328i (193 Hp) Automatic (M52B28TU) No reports 0 No issues reported
328i (193 Hp) Automatic (M52B28) No reports 0 No issues reported
330Ci (225 Hp) (USA) (M54B30) No reports 0 No issues reported
330Ci (225 Hp) (USA) (M54B30TU) No reports 0 No issues reported
330Ci (225 Hp) Automatic (USA) (M54B30) No reports 0 No issues reported
330Ci (225 Hp) Steptronic (USA) (M54B30TU) No reports 0 No issues reported
330Ci (231 Hp) (M54B30) No reports 0 No issues reported
330Ci (231 Hp) Automatic (M54B30) No reports 0 No issues reported
330Ci (231 Hp) Manual 5-speed (M54B30TU) No reports 0 No issues reported
330Ci (231 Hp) Manual 6-speed (M54B30TU) No reports 0 No issues reported
330Ci (231 Hp) Steptronic (M54B30) No reports 0 No issues reported
330Ci (231 Hp) Steptronic (M54B30TU) No reports 0 No issues reported
330i (231 Hp) (M54B30) No reports 0 No issues reported
330i (231 Hp) Automatic (M54B30) No reports 0 No issues reported
330i (231 Hp) Steptronic (M54B30) No reports 0 No issues reported
330xi (231 Hp) (M54B30) No reports 0 No issues reported
330xi (231 Hp) Automatic (M54B30) No reports 0 No issues reported
330xi (231 Hp) Steptronic (M54B30) No reports 0 No issues reported

Diesel

Engine Score Reports Common issues
318d (115 Hp) (M47D20) No reports 0 No issues reported
318d (115 Hp) Steptronic (M47D20) No reports 0 No issues reported
320Cd (150 Hp) (M47D20) No reports 0 No issues reported
320Cd (150 Hp) (M47D20TU) No reports 0 No issues reported
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320Cd (150 Hp) Steptronic (M47D20TU) No reports 0 No issues reported
320d (136 Hp) (M47D20) No reports 0 No issues reported
320d (150 Hp) (M47D20) No reports 0 No issues reported
320d (150 Hp) Steptronic (M47D20) No reports 0 No issues reported
330Cd (204 Hp) (M57D30TU) No reports 0 No issues reported
330Cd (204 Hp) Steptronic (M57D30TU) No reports 0 No issues reported
330d (184 Hp) (M57D30) No reports 0 No issues reported
330d (204 Hp) (M57D30) No reports 0 No issues reported
330d (204 Hp) Steptronic (M57D30) No reports 0 No issues reported
330xd (184 Hp) (M57D30) No reports 0 No issues reported
330xd (184 Hp) Automatic (M57D30) No reports 0 No issues reported
330xd (204 Hp) (M57D30) No reports 0 No issues reported
330xd (204 Hp) Steptronic (M57D30) No reports 0 No issues reported

Owner reviews

Verified owner Verified
Model not specified Mileage unknown

BMW 3 Series E46: A Year of Ups and Downs

I've owned this car for about a year and have experienced both the worst and best moments with it. I think after this time, I have something sensible to say. I bought the car for PLN 5,000 and invested just as much – mainly for preventative reasons. I replaced a lot of parts, even those still working, to have peace of mind (e.g., sensors – from aftermarket to original, suspension components, etc.). For several months, nothing bad has happened with it, which is not insignificant for the N42 engine.

Pros: Reliability after preventative maintenance., Good value for money (initial purchase + investment).
Cons: Significant investment required, even for preventive measures.
Verified owner Verified
Model not specified Mileage unknown

BMW 3 Series E46: Affordable, Reliable, and Fun

A cheap, comfortable, and reliable workhorse. The engine is economical and bulletproof. The interior is cozy and comfortable. The radio sounds good, and there's plenty of space. The trunk easily fits a family of four on vacation. Despite its tall, narrow 195/65R15 tires, the car handles superbly, hugging corners wonderfully. Be cautious on wet surfaces; rear-wheel drive is less forgiving than front-wheel or all-wheel drive. I highly recommend it for anyone considering a purchase, but it's worth a closer look.

Pros: Affordable and reliable, Economical and dependable engine, Cozy and comfortable interior, Excellent handling, great in corners, Spacious cabin and trunk
Cons: Rear-wheel drive requires caution on wet roads
Verified owner Verified
Model not specified Mileage unknown

BMW 3 Series E46: An 8-Year Ownership Review

I've owned this car for 8 years. Although only a few remain now, I'll share my opinion. Overall, after so many years, I rate the car well, even though I had a few repairs to do after purchase initially. It drives very pleasantly, has good sound insulation, and for me, a beautiful engine sound. I like both the interior and exterior. The engine has been faultless over my 60k km of use from 240k – it still runs well. The only recurring fault on this model is oil leaks and seepage. Mainly...

Pros: Pleasant driving dynamics, Good cabin soundproofing, Appealing engine sound, Attractive interior and exterior design, Durable engine over high mileage
Cons: Initial post-purchase repairs, Recurring oil leaks and seepage
Verified owner Verified
BMW 3 Series E46 316i (105 Hp) Sedan Mileage unknown

Problem: Oil Leak

Hidden defect: Oil leak. Two radiators replaced, same leak in the same spot. Rear left axle torn off (known BMW issue). Some electrical problems.

Verified owner Verified
BMW 3 Series E46 316i (105 Hp) Sedan 182,750 km

Problem: Transmission

Qualities: rear-wheel drive, engine, steering, gearbox, chassis, braking, comfort, soundproofing, finish (plastic and assembly), ergonomic driving position, fuel economy on roads and motorways. | Defects: city fuel economy, transmission tunnel (rear seats), tight boot space. Rear seat lacks lumbar support. | Problems: left and right window motors tired, oil leak from rocker cover gasket.

Pros: Rear-wheel drive, Engine, Steering, Gearbox, Chassis, Braking, Comfort, Soundproofing, Finish (plastic & assembly), Ergonomic driving position, Road & highway fuel economy
Cons: City fuel economy, Transmission tunnel (rear seats), Tight boot space, Rear seat lacks lumbar support, Left & right window motors tired, Rocker cover gasket oil leak
Verified owner Verified
BMW 3 Series E46 316i (105 Hp) Sedan 135,000 km

Problem: Air Conditioning

This BMW 316i is a reliable car with timeless exterior lines and a high-quality interior. It offers good habitability and a pleasant driving experience. However, some ergonomic issues, a slight lack of braking bite, and a minor engine noise at cold start, along with known potential issues like a crankshaft seal leak or airbag light, should be considered.

Pros: Let's start at the beginning, The exterior line is timeless, not aging like a contemporary Passat. Aggressive front, car sits well on the road at the rear. People tend to yield to you., The interior is of very good quality. Contrary to some opinions, habitability is good front and rear. The light headliner doesn't create a cramped feeling., Even the smallest bulbs don't burn out. This reflects the build quality. Driving, it's a 1.9 atmospheric 8-valve 4-cylinder engine.
Cons: Flaws... yes, there are some. Fortunately fewer than qualities, here is the list:, Ergonomics aren't perfect. The radio channel change control is opposite the radio system, which is..., While braking is decent, it lacks a bit of bite under strong braking, unlike a Laguna which responds better., This BMW in this configuration is generally reliable, provided it's well maintained. Not just oil changes every 30,000 km!, My last con: when cold, for the first 2 minutes of engine start, a slight hum is heard. It's the secondary air pump, nothing serious but it noticeable., Problems are rare, though known for this engine:, Crankshaft seal (oil leak) at 130,000 km., Airbag light illumination, due to a bad connection under the passenger seat.

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