Technology & Sharing
Data, teardowns and install notes from our workshop.
Carbon Fibre Magnetic Paddle Shifters: the shift feel, redesigned
There is not much you can change about a paddle — except the moment it lands. CNC aviation aluminium, real carbon fibre and an N52 neodymium magnetic detent, fitted in about 15 minutes. Registered design patent CN 309926390S.
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A BMW 5 Series cooling build: it took three revisions
The stock cooling was not enough. Three revisions later: a stepped SpeedTune intercooler, twin serpentine side coolers and an electric fan.
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Full throttle to 6,500 rpm, intake air at 32°C
A Golf GTI MK8 in Malaysia: titanium charge pipes, a lightweight Race intercooler and a methanol kit — consistent on a hot day.
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AMG 45S exhaust not behaving? A valve module fixes it in 20 minutes
The stock valve problem is not volume — it is that it opens and closes on the factory logic, not yours. A SpeedTune module gives full manual control.
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B48 with a factory air-to-air cooler? You may be leaving 20–30 hp on the table
Many B48 owners add a tune and more boost before touching the intercooler. If the first pull feels strong and the second feels flat, the tune is often not the problem.
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BMW G42 M240i: fix the heat first, then the sound
The B58 is strong but the stock cooling is cut back and the exhaust is tame. An M240i gets an uprated intercooler, side coolers and a valved exhaust.
Read more →Why your S58 pulls timing after two pulls (and how to fix it)
Charge-air temperature is the single biggest limiter on a tuned S58. Here is what the data looks like before and after an upgraded charge cooler.
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