For 2011, BMW 335i features a single turbo instead of a twin turbo, and a new performance tuned twin-turbo model called the 335is has been added. The 2011 BMW 335is is available with BMW’s dual-clutch automated manual transmission (DCT), which was previously only offered on the M3.
Is the BMW 335i twin-turbo?
Consequently, the 330i sedan is gone for 2007, replaced by the 335i sedan with the same 300-hp twin-turbocharged engine that powers the 335i coupe. The naturally aspirated 3.0-liter six will live on in the 230-hp 328i coupe and sedan, which replace the 325i models.
Is the 2011 BMW 335i a N54 or N55?
Model year 2011 335i’s moved on from the twin turbo N54 engine to the single turbo N55.
How much horsepower does a BMW 335i twin-turbo?
Both engines are 3.0L inline-6 turbocharged engines. However, the older N54 engine utilizes twin turbos while the N55 is a twin-scroll single turbo. Despite the differences in turbos most BMW 335i models pump out the same 300 horsepower and 300 lb-ft of torque.
Is the N54 or N55 better?
Thanks to the N54’s twin turbos and forged internals, it is the more capable engine mod-for-mod. However, the N55 has proven to be the more reliable engine. N54’s are notorious for their common problems, especially early on, but these issues are currently resolved.
How do I know if I have N54 or N55?
N54 vs N55: key differences The main difference between N54 and N55 is the type of turbocharger used in each engine. Its N54 engine uses twin turbos, while the N55 uses a single turbo with a twin-scroll exhaust. A twin-scroll turbocharger is a standard turbocharger but splits its exhaust housing into two.
Which year 335i is most reliable?
Is N55 twin-turbo?
Design. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. Whilst the N54 used a twin-turbo arrangement, the newer N55 uses only a single twin scroll turbocharger.
How long do BMW 335i turbos last?
Turbochargers on the BMW N54, for the most part, last around 100,000 miles before they have to be rebuilt or replaced. It isn’t uncommon to hear of cars that have the original turbos still functioning as designed upward of 200,000 miles.
How much HP can N55 handle?
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How long do N55 turbos last?
How long will a BMW N55 engine last? The BMW N55 motor should have no problem lasting over 150,000 miles, and some owners report getting over 250,000 miles out of their engines.
What does N55 mean?
The BMW N55 is a 3.0L inline 6 turbocharged, direct injected gasoline engine produced from 2009-2019. BMW’s N55 engine succeeded the N54 engine, but moved to a single turbo design as opposed to the twin turbo N54. The N55 also followed the N54’s footsteps winning 3 straight Ward’s 10 Best Engines awards.
How much HP is a Stage 2 335i?
Expected horsepower for the N54 on stage 2 maps is in the ballpark of 330-390whp.
Is BMW 335i twin-turbo fast?
The driving experience was all BMW. The car has amazing acceleration coming from the 300 hp 3.0-liter twin turbo inline six-cylinder engine. In fact, the acceleration is so amazing you might find it hard to keep the car under the speed limit with 0-60 times of 4.7 seconds.
How fast is a stock 335i?
The 335i sedan was sold between 2007 and 2013. It comes with an inline six-cylinder turbo powerplant with 2,979cc displacement, which offers 298 hp at 5,800 rpm and 295 lb-ft of torque at 1,200 to 5,000 rpm. It has a top speed of 155 mph, and its 0-60 mph acceleration stands at about 5.4 seconds.
How much HP can N54 handle?
N54 Engine Limits – Simple Answer. The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.
How much boost can a stock N55 handle?
N55 Max Boost Stock Turbo Summary BMW’s N55 engine is capable of excellent performance straight out of the factory. With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi. However, for reliability and longevity reasons, we recommend limiting boost to about 20-21psi.
Is BMW N55 reliable?
N55 Reliability Despite the many misconceptions that BMW’s as a whole are unreliable, the BMW N55 is actually a fairly reliable engine. The four most common problems with the N55 are, in no specific order, the valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids.
What is the M Sport Package on 335i?
The M Sport trim line includes an M Aerodynamic Kit, exclusive M Sport colors and trims, M Sports seats, and an M Sport steering wheel to distinguish it visually from cars without the package.
How can I make my N55 faster?
- ECU Tuning. The engine control unit (ECU) is the brain of every modern engine.
- Cat-Back Exhaust.
- Charge Pipes.
- Oil Cooler.
- Oil Cooler Thermostat.
What 335i has the N54?
The N54 debuted at the 2006 Geneva Motor Show and was launched in the 335i model of the E90/E91/E92/E93 3 Series range. Following the introduction of its BMW N55 successor in 2009, the N54 began to be phased out. The final model powered by the N54 is the E89 Z4 roadster, which was produced until 2016.
How many miles does a 2011 BMW 335i last?
The BMW 3 Series can last between 200,000 – 250,000 miles when properly maintained and driven conservatively. If you drive 15,000 miles per year it will last approximately 13 – 17 years before requiring expensive and uneconomical repairs.
What problems do BMW 335i have?
Engine Rattle Other symptoms of this issue include rattling during cold starts, rattling during deceleration, loss of power, active check engine light, poor engine performance, and a registered OBD trouble code. Some owners of 2007 to 2015 BMW 335i model years have also reported similar problems.
What does the 335i mean?
The 335i’s engine is a 3.0L twin-turbocharged. However, the number 35 could possibly translate to the Turbocharged (5) version of the 3.0L engine. Thus, making it 35.
Why does the N55 say twin-turbo?
It has two separate turbos, each powered by 3 of the engines six cylinders. Both of the turbos on the N54 are of equal size and configuration. The BMW N55 TwinPower turbo is a single Turbo engine with two separate exhaust runners powering the hot side of the turbo.