Buying a used BMW with high mileage is a common dilemma that many car shoppers face. On one hand, BMWs are known for their excellent driving dynamics and luxury features that car enthusiasts crave. However, there are also concerns about maintenance costs and reliability when BMWs accumulate lots of miles.
In this article, we’ll examine if high mileage BMWs make sense and if they can still be reliable and enjoyable to own. Some key questions we’ll answer include:
- How many miles are considered “high mileage” for a BMW?
- Do BMWs have more maintenance issues when they get old?
- What are the most common problems in high mileage BMW models?
- Is buying an older BMW with over 100k or 150k miles a bad idea?
- Can you expect a BMW with over 200k miles to remain usable?
- What maintenance costs are higher on an aging BMW?
- Which BMW models tend to be more or less reliable with age?
- How can you inspect a high mileage BMW to identify potential issues?
- Are certain model years better for purchasing older, high mileage BMWs?
By the end of this in-depth guide, you’ll have a clearer picture of what to expect when purchasing a BMW with elevated miles. You’ll be able to make an informed decision about whether a high mileage BMW is a smart and worthwhile investment.
What is Considered High Mileage on a BMW?
There’s no definitive mileage threshold where a BMW is automatically considered “high mileage.” The average annual driving distance for most passenger vehicles is around 12,000-15,000 miles per year. However, some BMW owners may drive less than average, while others may pile on the mileage more aggressively.
Here are some general guidelines on BMW mileage ranges:
- Under 60,000 miles – This is still considered low mileage for a used BMW unless it’s very old.
- 60,000 to 100,000 miles – Average mileage range, these BMWs are middle aged.
- 100,000 to 150,000 miles – Starting to get into high mileage territory, but still acceptable if maintenance is done.
- Over 150,000 miles – Now considered high mileage for BMWs, extra inspection should be done.
- Over 200,000 miles – Very high mileage, these BMWs are reaching the sunset of their lifespan.
Of course, proper maintenance and care is more important than just the mileage number itself. A BMW that has been meticulously maintained can potentially outlast one with lower miles but more neglect. Let’s take a closer look at why higher mileage BMWs tend to need more work.
Do BMW Maintenance Issues Increase with Age?
In general, BMWs do tend to have more maintenance requirements and issues as they accumulate mileage and age. Some key reasons include:
- Engine bay complexity – BMW engines have tightly packed layouts with more components and advanced technology than mainstream brands. This gives more to potentially fail or need service.
- Electronics – The intricate wiring harnesses, sensors, and modules can deteriorate over time, causing electrical gremlins.
- Suspension wear – Critical suspension components like bushings, shocks, and springs sag and require replacement.
- Rubber and plastics – BMW uses lots of rubber and plastic bits that become brittle and cracked when older.
Additionally, BMW’s recommended service schedule calls for more frequent maintenance than most brands. Things like engine oil, filters, brake fluid, and transmission service are required at shorter intervals. Staying on top of this preventative maintenance is crucial for high mileage BMWs.
What are the Most Common Problems in High Mileage BMW Models?
Here are some of the most reported mechanical problems that crop up in BMWs with over 100,000 miles or more:
- Oil leaks – The valve cover gasket, oil filter housing gasket, and engine seals deteriorate over time resulting in leaks.
- Cooling system failures – Old coolant hoses, water pumps, thermostats, and radiators are common failure points.
- Alternator and battery issues – Electrical charging problems that leave you stranded are very common.
- Fuel pump and filter problems – Dirty or failed fuel delivery components cause drivability issues.
- Mass Air Flow sensor failure – The MAF sensor tells the engine computer about air intake and commonly fails.
- Window regulator and motor issues – Power windows mechanism wear out and stop working.
- Check engine and ABS lights – You’ll see lots of error codes from degraded sensors and modules.
While this may seem like a long list of problems to watch for, many high mileage BMWs won’t necessarily have all these issues. How well the previous owners cared for the car makes a big difference in avoiding expensive repairs down the road.
Is Buying A BMW with Over 100k Or 150k Miles A Bad Idea?
BMWs with over 100,000 or 150,000 miles shouldn’t be automatically ruled out, but they do require careful inspection. The most important factor is verifying that all the major maintenance has been done on time.
Here are some tips for evaluating a high mileage BMW:
- Review all service records and confirm regular oil changes were performed. Look for evidence of cooling system and transmission services as well.
- Get a pre-purchase inspection by a BMW specialist shop to check for leaks, worn components, and identify upcoming repairs.
- Test drive the car thoroughly checking for smooth engine operation, transmission shifting, suspension noises, and electrical glitches.
- Check that advanced features like navigation, Bluetooth, and entertainment systems function properly.
- Consider having a diagnostic scan tool check for error codes related to engine, transmission, ABS, air bags, and other BMW modules.
A high mileage BMW that passes inspection can potentially give you many more years and miles of good performance. But a car that was neglected requires you to take on expensive deferred maintenance and repairs. Carefully vet these aging cars before purchase.
Can You Expect a BMW with Over 200k Miles to Remain Usable?
While it’s certainly possible for a BMW to reach 200,000+ miles and keep running properly, the odds do start decreasing at this point. Only around 4% of all BMWs on the road have over 200,000 miles according to market research.
To boost your chances of getting a very high mileage BMW past the 200k mark, look for these signs of longevity:
- 3.0L straight six cylinder engines have great durability. Avoid V8 models.
- Evidence of extensive maintenance from the start, not just recently.
- No visible oil leaks or check engine lights indicating issues.
- No rust or accident damage which accelerates wear.
- Purchase from the original owner when possible.
Keep in mind that once a BMW crosses 200,000 miles, future repair costs become less predictable. Peripheral components like sensors, gaskets, ignition coils, and fuel pumps often fail without warning in cars this age.
While a pristine example may continue providing reliable transportation beyond 200k miles, most BMWs are effectively nearing retirement age at this point.
What Maintenance Costs are Higher on an Aging BMW?
BMW maintenance is generally more expensive than non-luxury brands, even for younger cars. But high mileage BMWs in particular see certain service costs escalate. Here are some key items to budget extra for:
- Oil changes – BMW oil change intervals are shorter and require full synthetic oil.
- Coolant system flush – Should be performed every 3-5 years to avoid corrosion.
- Transmission service – Fluid and filter changes help extend transmission life.
- Suspension repairs – Worn control arms, ball joints, steering links, and bushings.
- Brake service – Pad and rotor replacement is more frequent.
- Electrical issues – Expensive BMW sensors and modules often fail.
Budgeting $1,500-2,000 per year or more for maintenance is wise once a BMW hits 100,000 miles or the 10 year old mark. Watch for sales on parts online and DIY repairs when possible to help control costs. Extended warranties can also offset surprise repairs.
Which BMW Models Tend to be More or Less Reliable with Age?
While all BMW generations have their quirks, some models have proven more durable as the miles add up. Here are a few choices that offer the best odds for high mileage:
More Reliable Used BMWs
- 3 Series with straight 6 engines
- 5 Series from 1995-2003 (E39 chassis)
- X5 SUV models with the 3.0L engine
Less Reliable Used BMWs
- 7 Series V8 models
- 2002-2006 MINI Coopers
- X3 SUVs with 4 cylinder engines
- Early V12 engines
Sticking with the simple and robust inline 6 cylinder motors generally yields the best durability. Also target BMWs that have more complete maintenance records from responsible previous owners.
How Can You Inspect a High Mileage BMW to Identify Potential Issues?
The best way to get a sense of a high mileage BMW’s health is to have a pre-purchase inspection performed by a professional BMW mechanic. They will put the car up on a lift and thoroughly examine the following areas:
- Check for oil leaks from the engine, transmission, and differential.
- Inspect condition of fluids for contamination.
- Look for coolant leaks from hoses, water pump, expansion tank.
- Check for cracked or worn suspension bushings.
- Examine tires for uneven wear indicating alignment issues.
- Test engine compression to identify weak cylinders.
- Review error codes stored in BMW electronic control modules.
A good inspection will reveal any existing problems and help you understand upcoming maintenance needs before purchase. Addressing issues right away, if possible, can help maximize longevity.
Are Certain Model Years Better for Purchasing Older, High Mileage BMWs?
Some generations of BMW vehicles are known to be more robust and reliable into old age compared to others. Here are some well-regarded model years to consider for a high mileage BMW purchase:
| Model | Better Years |
|---|---|
| 3 Series | 1995-1999 (E36) |
| 5 Series | 1995-2003 (E39) |
| 7 Series | 1994-2001 (E38) |
| X5 SUV | 2007-2013 (E70) |
These model generations strike a good balance of proven performance, simpler maintenance, available parts, and enthusiast support. Many have racked up 200,000+ miles while still going strong.
Conclusion
While buying any used car with over 100,000 miles comes with risks, a high mileage BMW can still be a solid investment if properly maintained. Keys to success are choosing desirable inline 6-cylinder models, verifying diligent repair history, having a thorough inspection, and addressing issues promptly. With care and patience, certain BMWs can provide many additional years and miles of pleasurable driving despite their age.
Mileage alone shouldn’t deter you from considering an older BMW if it meets your needs and budget. Just be diligent in your research and realistic about the increased maintenance requirements. With the right high mileage example, a classic BMW can be a uniquely rewarding used car purchase.