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8 postsBMW E71 X6 buying guide: the first SUV coupé
The E71 X6 created the SUV coupé segment. This buying guide covers the petrol and diesel engines, Dynamic Performance Control, practicality, common issues and what to check before buying.
Read post →♥ 0💬 0 Buying guides · 4 min readBMW E70 X5 buying guide: engines, issues and what to check
The E70 X5 is a spacious and capable used SUV. This buying guide covers the petrol and diesel engines, xDrive, the third row, common issues such as the transfer case, suspension and electronics, and what to check.
Read post →♥ 0💬 0 Buying guides · 4 min readBMW 135i buying guide: the E82 and E88 with N54 or N55
The BMW 135i is a compact coupé or convertible with a turbo straight-six. This buying guide covers the E82 and E88, N54 vs N55, gearboxes, known issues, tuned cars and the checks to make.
Read post →♥ 0💬 0 Buying guides · 4 min readBMW 335i buying guide: the E90, E92 and E93 with N54 or N55
The BMW 335i made turbo straight-six power popular in the 3 Series. This buying guide covers the E90, E92 and E93, N54 vs N55, xDrive, known issues, tuned cars and what to check.
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Maintenance
· 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💬 0 Comparisons · 7 min readBMW N54 vs N55 vs B58: which turbo straight-six is best?
Three generations of BMW turbocharged straight-six engines compared: the twin-turbo N54, the single-turbo N55 and the modular B58. Design, character, known weak points and what to look for.
Read post →♥ 0💬 0 Tech explained · 5 min readBMW 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 · 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.
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