Why is my 335i smoking?
Why is my 335i smoking?
If there is a problem within the engine that produces smoke, that smoke will exit the engine through the exhaust. A leaking valve cover gasket might produce smoke caused by oil dripping on a hot manifold. If the leak is large enough, you will likely see the oil dripping on your driveway or garage floor.
How much HP do downpipes add N54?
As with almost any N54 catless downpipes, expect power gains in the ballpark of 15-25whp. It’s really hard to go wrong with N54 VRSF DP’s.
What does it mean blowing blue air out of the exhaust?
If you are noticing blue smoke from the exhaust, it means your engine is burning oil due to an oil leak. This symptom could be the result of a leaking valve seal or a problem with a piston ring. What is happening is that the engine seals are not effectively sealing the oil from getting into the cylinders.
What is a downpipe on a BMW?
Downpipes used to only apply to aftermarket turbo builds for BMWs, but are now found on all modern BMW turbo engines. The downpipe attaches to the turbo and begins the exit flow of exhaust gases. This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains.
Is a 335i fast?
They’re definitely a fast car. As mentioned, the torque comes on quick (starts peaking at 1800 RPMs and the gearing, in the manual at least, is nice and close. Even at 10 years old, it’s faster than a LOT of new cars on the road (WRX, GTI, etc.).
How do you fix blue smoke from exhaust?
How to Fix Blue Smoke from Exhaust
- Remove Excess Oil. The simplest fix is to remove some oil from the system.
- Clean Engine. If the engine hasn’t been cleaned in a while, it’s time to take a look at it.
- Replace Piston Rings.
- Fix Turbocharger.
- Replace PCV Valve.
- Repair Valve Seals.
Can a misfire cause blue smoke?
The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs.
Does downpipe affect the engine?
Sound. Larger diameter piping and less restrictive catalytic converters not only allow more air to flow, but it also allows more sound to flow as well. While not nearly as loud as an exhaust system, a performance downpipe will provide more engine noise while driving, adding to the overall experience.
Does downpipe make car louder?
Aftermarket downpipe definitely makes a car louder and sound more aggressive. This is because aftermarket downpipes are louder than stock and they reduce the backpressure in exhaust. Allowing sound waves to travel smoothly without collision.
Is a BMW 335i fast?
Performance
| 0 – 100 kph | 5.4 s |
|---|---|
| 1/4 mile | 13.5 s |
| Top speed | 251 kph (156 mph) |
| 0 – 100 mph – 0 | 17.0 s |
| Est. max acceleration | 0.57 g (6 m/s²) |
Is the BMW 335i faster than the M3?
Even though my tuned 335i was faster it felt nothing like the M3, M3 felt so much faster, maybe its the suspension or the chassis. Not only that it felt faster it also handled much much better and the steering feel is just amazing.
