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4 Series

All generations — coupes, convertibles, Gran Coupe

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4Threads
12Posts
2Sub-categories
5 months agoLatest activity
Sub-categories

F32 / F33 / F36

1

F32 435i - coolant smell but no visible leak, where to look?

N54 Boost · 6 months ago

G22 / G23 / G26

1

G22 430i B48 - stage 1 results and review

RemoteFlash · 5 months ago

Threads (2)
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G22 430i B48 - stage 1 results and review
DetailingKinginG22 / G23 / G26·8 months ago

Got my G22 430i tuned last week. B48 engine, stock 258hp. After stage 1 remap: 305hp and 420nm. The car feels much more alive now, especially in the midrange. Throttle response…

3 114·RemoteFlash 5 months ago
M
F32 435i - coolant smell but no visible leak, where to look?
MapTuner ProinF32 / F33 / F36·6 months ago

Getting a faint coolant smell after driving my 2015 F32 435i hard. No visible puddles under the car, coolant level hasnt dropped noticeably, no overheating. But the smell is…

3 97·N54 Boost 6 months ago