bmw b38 calibrations
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tuning guide for bmw b38 platform
The successor of the N13 engine comes the B38 engine, coming as a 3 cylinder 1.5 turbo. This engine comes in various models of the BMW range badged as the 18i commonly on the F series facelift LCI models & G series. Being 1 cylinder less than the previous N13 doesn't phase this newer variant still hosting a huge potential in tuning.
Stage 1 calibration:
190BHP & 270NM
Mandatory:
- Completely stock vehicle (Zero modifications required)
Optional Additions:
- Induction kit
- Catback exhaust
- Gearbox map (Auto models only)
Stage 2 calibration:
190-200BHP & 310-320NM
Mandatory:
- Downpipe decat or sports cat exhaust (T&C's Section 3)
- Induction kit
- Uprated intercooler
- Gearbox map (Auto models only)
Here we show a great example of both the stages taking place on a very healthy example of the B38 engine in form of the F20 118i. This was an excellent example of a B38 engined 118i brought to us from stock and covering over various hardware and tuning stages. The graph defines what we have achieved within stages 1 & 2.
Stock:
135BHP & 164Ftlb (222NM)
Stage 1 Calibration:
188BHP & 204Ftlb (276NM)
Stage 2 Calibration:
196BHP & 232Ftlb (314NM)
