SKU: 7095S2
GSC P-D BMW B58 Gen 1.5 S2 Camshafts 278/274 Billet w/Intake Trigger (2019-2021 Models)
GSC Power-Division S2 camshafts upgrade BMW B58 Gen 1.5 engines with precise 278-degree intake and 274-degree exhaust durations. These billet shafts fit 2019-2021 BMW models equipped with B58TU1 engines and boost horsepower and torque throughout the RPM range when used with an upgraded turbo. Dyno results show gains up to 40+ whp over stock cams with proper tuning.
Key Features
- Billet 8620 Steel Cores: Handle extreme RPM and boost levels without flexing for long-term reliability
- 278/274 Durations: Intake lobe duration at 278 degrees and exhaust at 274 degrees optimize airflow for midrange punch and top-end pull
- Intake Trigger Wheel: Integrated design provides accurate crank position data to ECU preventing timing errors
- S2 Stage Calibration: Matched lobe profiles for turbocharged setups delivering broad torque curve
- Precision CNC Ground Lobes: Smooth ramp rates reduce valvetrain wear and noise even at 8000+ RPM
Product Notes
- Pair with upgraded turbocharger for full performance potential
- ECU recalibration required to adjust for new cam timing and overlap
- Packaged in foam inserts to prevent damage during transit
Installation Notes
- Professional installation recommended.
- BMW camshaft holding tools BMW-12-380 and BMW Timing Suite required
- Upgraded valve springs and titanium retainers advised for S2 durability
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2021 | BMW | 330i | Sedan/Wagon (G20/G21) |
| 2019-2021 | BMW | M340i | Sedan/Wagon (G20/G21) |
| 2019-2021 | BMW | 540i | Sedan (G30) |
| 2019-2021 | BMW | X3 | M40i (G01) |
| 2019-2021 | BMW | X4 | M40i (G02) |
| 2019-2021 | BMW | Z4 | M40i (G29) |
| 2019-2021 | BMW | M2 | Competition (F87) |
| 2019-2021 | BMW | 740i | xDrive (G11 LCI) |
Why Choose GSC Power-Division?
- Leaders in OEM-style drop-in cams used in professional racing
- Every set dyno validated for consistent power delivery
- Engineered by valvetrain specialists for BMW modular engines
Frequently Asked Questions
-
Q: Will these cams work on B58 Gen 2 or TU2 engines?
A: No, these are specific to Gen 1.5 TU1 blocks. GSC offers separate cams for Gen 2. -
Q: What material and finish do the camshafts use?
A: Billet 8620 alloy steel cores with nitrided lobe surfaces for maximum hardness and wear resistance. -
Q: What warranty coverage is provided?
A: Limited lifetime warranty against defects in materials or workmanship when installed properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Custom foam-lined box measuring 29 x 9 x 7 inches
- Weight: 11 lbs
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