The B58 is a 3.0L turbocharged inline-6 engine that was introduced by BMW in 2015. It is found in a variety of models, including the M240i, 340i, 440i, and 740i. This engine has been praised for its smoothness and power, but there are some common problems that have been reported.
While the BMW B58 engine is generally reliable, there are a few common problems that owners should be aware of. Oil and coolant leaks, problems with the VANOS solenoid, valve cover gasket, and oil filter disintegration are something you can expect from this engine. Luckily, all of these problems are relatively easy to fix if they’re caught early enough. However, if left unchecked, they could lead to expensive repairs or even engine failure.
In this blog post, we will discuss the reliability of the B58 engine and 5 common problems that have been reported.
About BMW B58 Engine
The BMW B58 is a turbocharged inline-six engine that replaced the N54 and was introduced in the F30 340i.
It is BMW’s latest and most powerful straight-six engine with one twin-scroll turbocharger. It was first used in the F30 340i and has since been used in a variety of other BMW models.
The B58 engine is based on BMW’s previous N55 engine but features several significant upgrades.
These include a new cylinder head with an integrated exhaust manifold, new forged connecting rods, lighter pistons, an upgraded cooling system, and a revised turbocharger.
The result is an engine that is significantly more powerful and efficient than its predecessor. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i.
This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54’s 23 mpg combined.
The B58 engine is an impressive piece of engineering and a significant upgrade over the N54. It is more powerful, more efficient, and lighter in weight. If you are looking for a BMW with an impressive straight-six engine, the B58 is the way to go.
Is the BMW B58 a Reliable Engine?
The B58 is a reliable engine not only by BMW standards but by international standards. It has a very good track record and is used in many different applications.
The B58 engine was first introduced in 2015, and it is still in production today. It is used in a variety of BMW models, including the M2, M3, M4, M5, X5M, and X6M.
The engine has earned a reputation for being reliable and durable. In fact, it’s used in the Toyota Supra, which is proof that this engine is reliable and quality made.
5 Common B58 Problems:
Despite the B58’s impressive performance, there are some common problems that have been reported. Here are five of the most common B58 problems:
1. Oil Leaks
One of the most common problems with the B58 engine is oil leaks. These leaks can occur from a variety of places, including the oil filter housing, oil cooler, and cylinder head gasket. If you notice an oil leak, it is important to have it fixed as soon as possible to avoid damage to your engine.
2. Coolant Leaks
Coolant leaks are a known issue with the B58 engine. These leaks can occur from the water pump, thermostat housing, or cylinder head gasket. If you notice a coolant leak, it is important to have it fixed as soon as possible to avoid damage to your engine.
3. VANOS Solenoid
The VANOS system is responsible for varying the timing of the intake and exhaust valves. This allows the engine to run more efficiently at different RPM ranges. The VANOS solenoid is a common failure point on the B58 engine. If your engine is making strange noises or running rough, it could be due to a failed VANOS solenoid.
4. Valve Cover Gasket
Another common problem with the B58 engine is a leaking valve cover gasket. This gasket seals the area between the cylinder head and the valve cover. If it fails, oil can leak from the engine.
5. Oil Filter Disintegration
Last but not the least, the B58 engine can have a problem with oil filter disintegration. This can occur if the oil filter is not of high quality or if it is not replaced frequently enough. If your oil filter disintegrates, it can cause oil to leak from your engine.
These are just a few of the most common problems that have been reported with the B58 engine. If you notice any of these problems, it is important to have them fixed as soon as possible to avoid damage to your engine.
How to Fix B58 Problems
Most of those problems are easily repaired and avoided by regular maintenance. Here are some tips:
How to Repair Oil Leaks
Oil leaks are one of the most common problems car owners have to deal with. And while they may not be the most serious issue your car is facing, they can be incredibly frustrating. Not only are they unsightly, but they can also be difficult to fix.
If you’re dealing with an oil leak, there are a few things you can do to try and repair it. First, you’ll need to identify the source of the leak. Once you’ve done that, you can then decide on the best course of action to take.
One of the most common sources of oil leaks is a faulty gasket or seal. If your car has a gasket or seal that’s starting to fail, it’s likely that oil is leaking from that area. In most cases, you’ll be able to see the leak quite easily.
If the leak is coming from a gasket or seal, you’ll need to replace it. This can be done fairly easily, but it’s important that you get the right part. If you don’t, you could end up making the problem worse.
Another common source of oil leaks is a hole in your engine. If you have a hole in your engine, it’s likely that oil is leaking out of it. In most cases, this won’t be something that you can see with the naked eye.
To fix a hole in your engine, you’ll need to patch it up. You can either do this yourself or take it to a mechanic. If you’re going to do it yourself, make sure you use the right materials. If you’re taking it to a mechanic, they should be able to patch it up for you.
Once you’ve identified the source of the leak and repaired it, you should then check your oil level. If it’s low, you may need to add more oil. Adding oil is fairly easy, but you’ll need to be careful not to overfill it.
If your oil level is too high, on the other hand, you may need to drain some out. Draining oil is a bit more difficult than adding it, but it’s still something that you can do yourself. Just be sure to use the proper tools and be careful not to spill any.
Once you’ve repaired the leak and checked your oil level, you should then take your car for a test drive. This will help you make sure that the problem is fixed and that your car is running smoothly.
How to Repair Coolant Leaks
When your car starts to leak coolant, it is important to take action quickly. Coolant leaks can lead to engine overheating, which can cause serious damage. In this article, we will show you how to repair coolant leaks.
First, you need to identify the source of the leak. Common sources of coolant leaks are the radiator, water pump, and thermostat housing. To locate the source of the leak, you can use a pressure tester or a dye kit.
Once you have located the source of the leak, you can patch the leak. To patch it, do the following:
- Clean the area around the leak with a wire brush and degreaser. This will help the patching material to adhere better.
- Apply a thin layer of coolant-resistant sealant around the hole.
- Place the patch over the hole and press it firmly into place.
- Allow the sealant to cure for 24 hours before adding coolant to the system.
If you cannot patch the leak, you will need to replace the leaking part. When replacing parts, be sure to use ones that are compatible with your car’s make and model. Incorrect parts can cause more leaks or damage to your engine.
How to Replace the VANOS Solenoid
When it comes to maintaining your vehicle, there are a lot of different things that you need to keep an eye on. One such thing is the VANOS solenoid.
The VANOS solenoid is responsible for regulating the timing of the engine’s valves, and over time it can become worn out or damaged. If this happens, it can cause a number of problems with your engine’s performance.
Fortunately, replacing the VANOS solenoid is a relatively easy process that you can do yourself with a few tools and some basic mechanical knowledge.
- First, you’ll need to disconnect the battery. This is important because you don’t want to accidentally short-circuit anything while you’re working on the electrical system.
- Next, locate the VANOS solenoid. It’s located on the engine block, near the front of the vehicle.
- Once you’ve found the VANOS solenoid, use a wrench to loosen and remove the two bolts that hold it in place.
- With the bolts removed, you should be able to pull the old VANOS solenoid out by hand.
- Now it’s time to install the new VANOS solenoid. Simply reverse the process that you used to remove the old one.
- Once the new VANOS solenoid is in place, reconnect the battery and start the engine. It should now be running smoothly and without any of the performance issues that were caused by the old, damaged solenoid.
How to Replace the Valve Cover Gasket
If your car is starting to burn oil, it may be time to replace the valve cover gasket. A bad gasket can cause an oil leak, which can damage your engine. Replacing the gasket is a fairly simple task that you can do at home with a few tools. You can read more details about it here.
- Jack up your car and remove the wheel on the side where you will be working. This will give you better access to the engine.
- Disconnect the negative battery cable to prevent shocks while working on the engine.
- Locate the valve cover and remove any bolts holding it in place. There may be some oil on the surface, so be careful not to slip as you remove it.
- Clean the surface of the valve cover and the engine block to prepare for the new gasket.
- Apply a bead of silicone sealant around the perimeter of the valve cover.
- Place the new gasket in place and press it down into the sealant.
- Replace the bolts and torque them to the manufacturer’s specifications.
- Reconnect the negative battery cable and lower your car to the ground.
- Test drive your car to make sure there are no leaks before taking it on the road.
How to Replace the Oil Filter
Assuming you would like for us to continue writing the content on how to replace an oil filter:
- To begin, drive your vehicle onto a level surface and set the parking brake. Place an oil drain pan beneath the oil filter housing to catch any spillage during removal. Many vehicles will have a plastic cap or plug covering the oil filter housing. Use a wrench or socket to remove this before proceeding.
- Next, use a ratchet and socket or wrench to remove the old oil filter. Be sure to note which way the old filter was facing so you can install the new one in the same orientation.
- Some oil filters can be quite tight so it may be necessary to use an oil filter wrench for removal. If you are having difficulty removing the filter, try heating it with a heat gun or hair dryer for a minute or two before attempting again.
- With the old filter removed, wipe away any debris or residue from the housing before installing the new filter. Again, be sure to orient the new filter in the same direction as the old one.
- Once in place, use your ratchet and socket or wrench to tighten the new filter until it is snug. Do not overtighten as this could damage the filter.
- Finally, replace the housing cap or plug and tighten until snug.
Now your oil filter has been replaced! Be sure to dispose of the old filter and oil properly.
FAQs
How Many Miles Can a B58 Engine Last?
It’s tough to predict how long any given engine will last. However, the B58 engine should be able to run for as long as you’re regularly performing maintenance and repairs on it. Its internals and design are actually stronger than required for 200,000 miles.
How Much HP Can a Stock B58 Handle?
The B58 is a fairly powerful engine, to begin with. However, there are always ways to increase its power output. Some people have been able to get upwards of 600 hp from stock internals.
Can I Replace the B58 With a Bigger Engine?
If you’re looking for more power, then you might be tempted to replace the B58 with a bigger engine. However, this isn’t really necessary. The B58 is already a pretty big engine, and it’s unlikely that you’ll find something that will fit in its place without significant modification.
What’s the Best Way to Increase the Power of a B58?
If you’re looking to increase the power of your B58 engine, then there are a few different options. You could install a turbocharger or supercharger, upgrade the internals, or add nitrous oxide. Each option has its own set of pros and cons, so it’s important to do your research before making a decision.
How Much Oil Does a B58 Take?
The B58 engine takes 6.9 quarts of oil. It’s important to use the correct oil, as using the wrong oil can cause damage to the engine.
What Type of Oil Should I Use in a B58?
The recommended oil for a B58 engine is 0W-30 synthetic. This oil provides excellent protection and performance in both cold and hot weather.
Conclusion
The BMW B58 engine is an impressive piece of engineering and a significant upgrade over the N54. It is more powerful, more efficient, and lighter in weight. However, there are some common problems that have been reported.
Oil leaks, VANOS solenoid issues, valve cover gasket failure, and oil filter deterioration are all potential problems with this engine.
Fortunately, if they’re discovered early enough, all of these difficulties are simple to fix. However, If left unattended, they might result in costly repairs or even engine failure. Therefore, it is important to be aware of these potential issues and have them fixed as soon as possible.
