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Maintenance
· 6 min read
BMW oil leaks: the most common places and how to find them
Oil leaks are one of the most common issues on older BMWs. Where they usually come from, why some leaks are more dangerous than others and how to find and repair them.
Read post →♥ 0💬 0 Buying guides · 6 min readAre BMWs reliable? An honest look at BMW reliability
Are BMWs reliable? The honest answer is that it depends on the engine, the age of the car and above all on maintenance. What decides BMW reliability and how to choose a good car.
Read post →♥ 0💬 0 Tech explained · 5 min readBMW coding explained: what it is, what you can change and the risks
BMW coding lets owners change hidden settings in their car's control units. What coding is, what owners usually change, the tools used and the risks you should understand before you start.
Read post →♥ 0💬 0 Tech explained · 5 min readBMW iDrive explained: every generation from 2001 to today
BMW iDrive changed how drivers control their cars. How the system works, how it developed from the first 7 Series to the latest curved display, and what to know when buying a used BMW.
Read post →♥ 0💬 0Maintenance
· 5 min read
BMW high-pressure fuel pump (HPFP) problems: symptoms and causes
The BMW HPFP is a key part of every direct-injection engine. What the high-pressure fuel pump does, the typical symptoms of a failing pump, why the N54 is famous for it and how the fault is diagnosed.
Read post →♥ 0💬 0Maintenance
· 5 min read
BMW carbon build-up: why direct-injection engines need walnut blasting
Direct-injection BMW engines can collect carbon deposits on the intake valves. Why it happens, the symptoms, how walnut blasting works and what owners can do to slow it down.
Read post →♥ 0💬 0Maintenance
· 5 min read
BMW star-marked tyres: what the star means and do you need them?
Many tyres for BMWs carry a small star on the sidewall. What BMW star-marked tyres are, why BMW develops them with tyre makers, whether you need them and how to choose tyres for an M car.
Read post →♥ 0💬 0 M3 E46 · 6 min readBMW E46 M3 buying guide: what to check before you buy
The E46 M3 is one of the most loved M cars ever made, with a high-revving straight-six and a great chassis. What to check before buying one: engine, gearbox, body, suspension and history.
Read post →♥ 0💬 0 Tech explained · 8 min readBMW Active M Differential explained: how it works and why it matters
The Active M Differential is an electronically controlled limited-slip differential used in modern BMW M cars. How it works, how it evolved from earlier M differentials and how to look after it.
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