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5 postsBMW Valvetronic explained: how BMW engines breathe without a throttle
Valvetronic lets BMW engines control their power with the intake valves instead of a throttle. How it works, why it saves fuel, which engines use it and what can go wrong.
Read post →♥ 0💬 0 Tech explained · 7 min readBMW M xDrive explained: how the all-wheel drive of M cars works
M xDrive gives BMW M cars the traction of all-wheel drive and the feel of rear-wheel drive. How the system works, what the three modes do and why it can switch to pure rear-wheel drive.
Read post →♥ 0💬 0 Tech explained · 5 min readBMW engine codes explained: how to read S85, N55 and B58
S85B50, N55B30, B58B30: BMW engine codes look cryptic, but they follow a clear system. How to read them, what each part means and the most important BMW engines by code.
Read post →♥ 0💬 0 M5 E60 · 8 min readBMW SMG III explained: how the M5 E60 gearbox works
The SMG III is a seven-speed manual gearbox shifted by a computer and hydraulics. How it works, what the Drivelogic programs do, what wears out and how to drive it the way it was meant to be driven.
Read post →♥ 0💬 0 Tech explained · 6 min readBMW VANOS explained: how variable valve timing works
VANOS is BMW's system for changing the camshaft timing while the engine runs. How it works, the difference between single and double VANOS, why M engines are special and which faults to watch for.
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