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Maintenance
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56 posts
Maintenance
· 5 min read
BMW M car running costs: what it really takes to own an M car
Owning a BMW M car is a dream for many enthusiasts, but the running costs are higher than for a normal BMW. Where the money goes and how to plan a realistic budget.
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· 7 min read
Why does my BMW use oil? BMW oil consumption explained
Many BMW owners are surprised when the car asks for a litre of oil between services. What is normal BMW oil consumption, what is not, the most common causes and how to measure it properly.
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· 6 min read
BMW "Drivetrain malfunction" warning: what it means and what to do
The BMW drivetrain malfunction message is one of the most searched warnings. What it really means, the most common causes, what to do when it appears and how a specialist finds the fault.
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· 6 min read
BMW timing chain problems: which engines are affected and the warning signs
BMW engines use timing chains that are designed to last, but some engines became known for chain and guide problems. Which engines are affected, the warning signs and how to reduce the risk.
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· 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.
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· 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.
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· 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.
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· 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.
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· 7 min read
BMW spark plugs and ignition coils: when to replace them and why
Spark plugs and ignition coils are small parts with a big influence on how a BMW engine runs. When to replace them, the warning signs of a misfire and how to choose the correct parts.
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