Is the 2011 BMW 135i reliable?

The BMW 135i Reliability Rating is 2.0 out of 5.0, which ranks it 17th out of 17 for luxury compact cars. The average annual repair cost is $1,031 which means it has poor ownership costs.

Is a BMW 135i fast?

Stock, the M135i xDrive would need 4.7 seconds to do 0-100 km/h (62 mph) but, as you’re about to see, this car needs just 3.8 seconds. Furthermore, reaching 250 km/h (155 mph) which used to be this car’s limited top speed, takes about 24 seconds in total.

Is a 135i reliable?

The 135i was capable as a track day toy as well as a spirited commuter car, but it does have a few common issues besides rear legroom that were prevalent across the spread of N54-equipped BMWs. However, that doesn’t make it an unreliable car to own and drive every day.

What’s the difference between 135i and 1M?

The 1M has the N54 bi-turbo rated at 340hp and 500 Nm of torque. The M135i has the single turbo N55 rated at 320 hp and 450 Nm of torque. Redline for both is 7000 rpm. Power to weight, the win goes to the 1M.

How fast is a 2011 BMW 135i?

As BMW proudly points out, 60 mph arrives in 5.0 seconds flat. The last time we had a 135i in our fleet it had a six-speed manual and sprinted to 60 mph in 4.6 seconds.

Bavaria’s Tiniest Model Loves Streets, Not Circuits.

2011 BMW 135i Coupe
Base price $36,925
Vehicle layout Front-engine, RWD, 4-pass, 2-door, coupe

Is N54 or N55 better?

The N55 twin-scroll turbo offers slightly faster turbo spool and delivers peak torque 100 RPM’s sooner than the N54; a characteristic that is not noticeable as each turbo set up spools quickly and delivers impressive torque through-out the low end and midrange.

How many miles do 135i last?

With the right maintenance at the right time, your 135i has a good chance of hitting 200,000 miles or more. So, you want to care for your car, but you’re not sure when to get certain services. It can be overwhelming, but fortunately, there’s a resource that takes the guesswork out of routine 135i maintenance.

How many miles will a BMW 135i last?

BMW 1 series will last, on average, 200,000 miles.

What engine is better N54 or N55?

N55 Reliability: Which Engine is More Reliable? This is always a touchy subject when it comes to discussions about the N54 and N55. Simply put, the N55 is more reliable. BMW’s N54 was the first mass production turbocharged gasoline engine produced by BMW in decades.

Does the BMW 1m have an N54?

The N54 has won six straight International Engine of the Year awards and three straight Ward’s 10 Best Engines awards. There is no BMW M version of the N54, however a high-output version of the N54 is used in the 1 Series M Coupe, 135iS, Z4 35iS and 335iS models.
BMW N54.

BMW N54 engine
Successor BMW N55

When did 135i get N55?

THE 2011 BMW 135i is set to switch from its existing N54 twin-turbo setup to the German carmaker’s new N55 single-turbo inline-six, along with the 5 Series GT and the next generation 335i.

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?

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.

How fast is a 135i?

The 135i now has a top speed of 150, sports package or no sports package. Just check the specs page on for both the 128i and 135i. If you get the sports package it is. Otherwise it’s 130mph without ZSP.

How reliable is the N55 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.

What’s better N54 or N55?

How much HP can a N54 handle?

N54 Engine Limits – Simple Answer. The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.

Whats faster N54 or N55?

How long do N55 Turbos last?

How many miles do N55 engines 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 boost can N55 handle?

N55 Max Boost Stock Turbo Summary
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. Much over 21psi pushes the turbo well outside its efficiency range for minimal performance gains.

How much HP does a 135i have?

BMW E82 1 Series Coupe 135i Engine Technical Data
Compression Ratio : 10
Maximum power – Output – Horsepower : 302 HP / 306 PS / 225 kW @ 5800 rpm
Maximum torque : 295 lb-ft / 400 Nm @ 1200-5000 rpm
Drive wheels – Traction – Drivetrain : RWD

Are N54 forged?

Stock N54 Rods, Bearings, Pistons (600-700whp)
Most blown N54 motors begin with the pistons, rods, or rod bearings. The rods are forged, however pistons are not. N54 rods are strong, but they’re not indestructable. A serious detonation event at 600+whp can quickly bend a rod.

How long can a tuned N54 last?

The N54 can and often does last 200,000+ miles if you’re willing to spend enough money. If the repairs are done right the N54 can offer good reliability and longevity.

How much power can N55 handle?