6 Serious BMW N46 Engine Problems (From Owners)
The N46 engine by BMW is one of those universally hated engines. Wondering why? Well, for one, the second-hand, high …
Our Engine Problems category is a place where you’ll find in-depth articles on specific troubles of engines from various car brands.
Scroll down for all the engine problem related articles!
Each article follows a simple structure, the purpose of which is to deliver you all the information in an easily understandable manner.
When covering problems of specific engines, our focus is first and foremost on problems that can cause catastrophic engine failures.
This includes:
At the same time, we also point out the presence of common issues like carbon deposits, spark plug failures, high-mileage problems and more.
Buying a used car, especially a luxury car like BMW or Mercedes-Benz can be a daunting task. Engine problems can bring a long hefty repair bills so it’s crucial that you know what you are getting yourself into when choosing a used car with a specific engine.
There are no perfect engines out there, that’s why I believe it’s truly in your best interest to be prepared for common engine problems and better yet, keep those issues in mind when you’re inspecting the car you plan on buying.
The goal behind our articles is to:
One of the things that I like to teach my readers is also the skill of recognizing common issues.
For example; a light knocking sound that last 3–5 seconds on a cold startup may indicate problems with the engine’s timing chain.
A rising engine oil level may signal problems with leaky fuel injectors and oil fuel dilution, which needs to be addressed as soon as possible.
These little crumbs of knowledge can save you money and ultimately your engine.
The majority of my research is conducted online. Before I start writing I go over all possible owner’s forum threads, NHTSA reports, class action lawsuits and other valuable sources like the manufacturers service bulletins or recall action documents.
Through this research I uncover common problems which I then sum up in my articles.
Whenever I cannot base my findings on reliable sources from the manufacturers’ documentation, I contact my local service centers to consult them on my findings and confirm the data.
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