2007 Bmw 135i problems

General information about Bmw-135i
Overview of popular issues
Analysis of common problems
Сomplaints list

The first generation of the BMW 1 Series consists of the BMW E81 (3-door hatchback), BMW E82 (coupe), BMW E87 (5-door hatchback) and BMW E88 (convertible) compact cars. The E81/E82/E87/E88 generation was produced from 2004 until 2013 and is sometimes collectively referred to as the E8x. The E8x replaced the 3 Series Compact as the entry level models of the BMW range.

The chassis has an aluminum multi-link suspension, and a rear-wheel drive layout with a longitudinally-mounted engine giving 50:50 weight balance, which was a rare configuration for a hatchback as most cars in this market segment use front-wheel drive. The engines available were four-cylinder turbo-diesel, four-cylinder naturally aspirated petrol, six-cylinder naturally aspirated petrol and six-cylinder turbocharged petrol (the latter only available on coupe and convertible models).

The highest performance trim is the 1 Series M Coupé which was powered by the BMW N54 turbocharged inline-six engine mated to a six-speed manual transmission. It was produced in only the coupe body style and is considered the predecessor to the BMW M2.

Following the introduction of the F20/F21 1 Series in 2011, the E81/E87 hatchback models began to be phased out, while the E82/E88 coupes and convertibles remained in production until 2013, when they were replaced by the F22/F23 2 Series models.

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Common 2007 Bmw 135i problems

The BMW 135i, produced in 2007, is known for a few common problems, particularly those related to the N54 twin-turbo straight-six engine that powers it. Here are some of the most frequently reported issues and their details:

Fuel pump failure: The N54 engine is equipped with a high-pressure fuel pump (HPFP) that has been known to fail.

Turbocharger issues: The twin-turbo setup in the N54 engine can experience problems, particularly with the turbos' wastegates, which can lead to boost leaks and decreased performance.

Cold start shudder: Some 135i owners have reported a cold start shudder, where the engine shakes or shudders during initial startup, particularly in colder weather. This can be caused by a variety of factors, including the fuel system, ignition system, or engine management system.

Injector issues: The N54 engine's direct fuel injection system can experience issues with its fuel injectors, leading to poor performance, reduced fuel efficiency, and increased emissions.

Engine management system (EMS) issues: The EMS in the N54 engine can sometimes require updates or reflashes to address various software-related issues, such as incorrect fuel trims or ignition timing.

Valve cover gasket leaks: The valve cover gaskets on the N54 engine can leak, leading to oil consumption and potential engine damage if not addressed promptly.

Rear legroom: While not a mechanical issue, the 135i's compact design can lead to limited rear legroom, which may be a concern for some potential buyers.

While these issues may seem daunting, it's important to note that many of them can be addressed with proper maintenance and repairs. Additionally, the 135i's performance and driving experience are highly regarded, making it a popular choice for enthusiasts despite its known problems.

Is a BMW 135i reliable?

Severity. The probability of a repair being a severe or major issue is 18% for the BMW 135i, compared to an average of 11% for luxury compact cars and 12% for all vehicle models. The average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle.

What is the common problem with BMW 1 Series?

Ignition Coil Problems

Some drivers have reported smelling petrol in the cabin of their BMW 1 Series, which could be a sign of potential ignition coil failure. Other symptoms include a loss of power, engine backfiring and the check engine light coming on.

Are BMW 1 Series cheap to repair?

Repairing a luxury car like a BMW is usually more expensive than repairing a budget model, as the higher-quality parts will be more expensive. This does mean that you'll likely be making these repairs less frequently, however, as BMWs are built to last.

What is the common failure of the N54?

One of the most prevalent issues with the N54 engine is high-pressure fuel pump (HPFP) failure. The fuel pump is an essential component for your engine, as it supplies the motor with the necessary fuel to run correctly.

2007 Bmw 135i car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Bmw 135i problems, we found that the most common problems with these 2023 model year vehicles are:

Fuel/propulsion system problems

The graph below shows statistics for all 2007 Bmw 135i vehicle components and the number of complaints received.

2007 Bmw 135i complaints

The NHTSA has received 1 complaints about various vehicle components related to the 2007 Bmw 135i.

2018-01-04

FUEL/PROPULSION SYSTEM PROBLEM

Date Of Incident: 2017-12-01
VIN: WBAVB73577P
Components: FUEL/PROPULSION SYSTEM
Summary: FUEL PUMP WAS PART OF EARLIER RECALL. THE REPLACE FUEL PUMP WAS GIVEN A 10 YEAR EXTENDED BMW WARRANTY. THIS NEW REPLACED JUST FAILED AND BMW SAID THE WARRANTY WAS ONLY EXTENDED FROM THE YEAR THE VEHICLE WAS MADE AND NOT THE ACTUAL REPLACE NEW FUEL PUMP. A COMPLETE DECEPTIVE MARKETING BY BMW'. I WAS TOLD THE NEW FUEL PUMP WOULD HAVE A 10 YEAR WARRANTY. BUT THAT WAS NOT THE CASE. THE NEW REPLACED FUEL PUMP STOPPED IN TRAFFIC CAUSING SERIOUS ISSUES. LUCKILY NO ACCIDENT.

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Additional sources

More sources of information about 2007 Bmw 135i problems:

How Reliable is the BMW 135i N54 – ECS Tuning

https://blog.ecstuning.com/how-reliable-is-the-bmw-135i-n54/

Jan 18, 2022 ... 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 ...

What are Common Problems to look for? - BMW 1 Series Coupe ...

https://www.1addicts.com/forums/showthread.php?t=667026

Mar 25, 2012 ... 07:45 AM 03-25-2012. For a used car, see if the HPFP has been changed out at all. Thats the big one. The rest are little issues, not game ...

Looking into a 2008 135i, how unreliable is the n54? : r/BmwTech

https://www.reddit.com/r/BmwTech/comments/13jmx5a/looking_into_a_2008_135i_how_unreliable_is_the_n54/

May 17, 2023 ... It'll get spark plugs one of these weekends(another $100ish), not because of a problem, but because the car said it was time. I think I've spent ...