The 335i comes with one of the best engines on the market, a 3-liter inline six-cylinder benefiting from direct injection and a twin-scroll turbocharger, with output figures of 306 horsepower and 295 pound-feet of torque.
What engine is in the 2012 BMW 335i?
The engine is everything we’ve come to expect from BMW’s N55 3.0-liter turbo six. It’s flexible, sonorous and strong, paired with a slick six-speed manual in our car to provide stimulating acceleration.
What year 335i has N55?
Model year 2011 335i’s moved on from the twin turbo N54 engine to the single turbo N55. The N55 moved from piezo injectors to solenoid style injectors. This was a huge reliability upgrade over the problematic piezo injectors on the N54. However, the N55 uses the same fuel pump as the N54.
What engine is better N54 or N55?
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.
Do I have N54 or N55?
starting from March -2010 all cars were N55 drivetrains. Probably the best way to tell without looking under the hood… is IF it has a DCT it is an N55. IF its an auto it is an N54.
How long do N55 turbos last?
N55 Turbo Longevity at 20+ PSI In general, more boost will reduce the lifespan of the N55 stock turbo. However, it is possible for N55 turbos to last 50,000+ miles at 23psi, for example. On the other hand, the stock turbo may decide to let go much sooner even at 20psi.
Does the 2012 335i have a N54?
I can say for sure that the 2012 335is has the N54 with twin-turbos.
Is N55 a good engine?
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.
Which year 335i is most reliable?
What BMWs have the N54?
- 2006-2010 BMW E90/E91/E92/E93 335i.
- 2007-2010 BMW E60/E61 535i.
- 2007-2010 BMW E82/E88 135i.
- 2007-2010 Alpina B3.
- 2008-2010 BMW E71 X6 xDrive35i.
- 2008-2012 BMW F01 740i.
- 2009-2016 BMW E89 Z4 sDrive35i.
- 2010-2013 BMW E92/E93 335is.
When did the N55 engine come out?
The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo. The N55 was BMW’s first straight-six engine to use a twin-scroll turbocharger.
What year 335i has 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.
Which 335i is twin-turbo?
Two primary engines powered the 335i – the N54 and N55. 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.
How much hp can the N55 handle?
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How many miles can a N55 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.
How much HP can N54 handle?
The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.
Why is the N55 more reliable than N54?
The main difference is the exhaust. The new N55 engine has one exhaust pipe the feeds from all 6 cylinder (for less fuel consumption) while the N54 had 2 pipes, one feeding from cylinders 1, 2, and 3 and another pipe feeding from cylinders 4, 5, and 6.
Why is the N54 so good?
The biggest advantage of the BMW N54 is its power and potential. Sure, the twin-turbocharged petrol engine provides enough power as it is. Still, what truly makes it special is the ability to boost the output even more with a couple of aftermarket upgrades.
Is N54 engine reliable?
The N54 itself is a very strong engine that can often last beyond 200,000 miles. Of course, that’s if you’re willing to keep up with all of the maintenance and repairs for that long. Even when modding the N54 engine it still retains good longevity.
Is B58 better than N55?
As you can see, from very early on the B58 has big gains over the N55 which it holds right through the rev range. As you can see, the B58 has a very similar boost curve, but makes around 4PSI more than the N55 across virtually the whole rev range.
Is the N55 good for tuning?
Overall, BMW’s N55 is a tuner-friendly engine capable of making, on the stock turbo, plenty of power to satisfy a majority of enthusiasts, all while remaining reliable and driveable in all conditions.
Is the N55 turbo reliable?
Both the N54 and N55 turbochargers are very reliable. The issue with the N55s is that they have weak internals. Make sure that the VANOS recall has been performed and don’t go overboard with tunes; N55 rod bolts are known stretch.
Why do N54 turbos fail?
The N54 Wastegates fail from simple wear and tear of the engine. Over time the actuator and rods of the turbocharger wear down, resulting in rattle and boost control issues. In this case, running higher levels of boost (psi) on your turbochargers will likely increase your chances of Wastegate failure.
What is the difference between a 335i and 335is?
The 335is includes tuned sports software not standard on the 335i and M kit. The 335is gets 320 hp and 332 lb-ft torque from the twin-turbo 3.0-liter inline-six engine, and an overboost function allows for seven-second blasts of 370 lb-ft of torque. Compared to the standard 335i with 300/300.
Is the B58 better than the N54?
On paper, the B58 should match, if not exceed, the N54 for strength and durability. Although, the single turbo will likely limit its capabilities without upgraded turbo(s).