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SKU: MCIVN-1400S-12 | UPC: 1037721244901
Supertech BMW B48 30.10x4.96x99.50mm Black Nitride Intake Valve - Set of 12 (Req KPR-50 7S) 2017+
Supertech intake valves deliver reliable performance for BMW B48 2.0L turbo engines found in 3 Series, 4 Series, X3, X5, and Z4 models from 2017 onward. This set of 12 features precise 30.10 mm head diameter, 4.96 mm stem, and 99.50 mm length for direct fit and improved airflow under high boost. Black nitride treatment enhances longevity in demanding conditions.
Key Features
- Black Nitride Surface: Cuts friction by up to 50 percent, holds oil film longer, and fights corrosion for extended valve life
- Exact Specifications: 30.10 mm intake head, 4.96 mm stem diameter, 99.50 mm overall length matches B48 requirements perfectly
- Forged Steel Build: High-strength alloy withstands high RPM, boost pressure, and heat cycles beyond stock levels
- Complete Set Quantity: 12 valves cover all cylinders in B48 4-cylinder engines for full engine refresh
- Performance Engineering: Designed for dual springs and high-lift cams to support turbo upgrades and track use
Product Notes
- Requires Supertech KPR-50 7S valve keepers for secure retention
- Pair with Supertech valve springs for optimal spring pressure and control
- Special order item with lead time for fresh stock
Installation Notes
- Professional installation recommended.
- Replace valve stem seals during install to prevent oil leaks
- Compatible with OEM heads and Supertech spring kits
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | BMW | 330i | |
| 2017-2021 | BMW | 330i | xDrive |
| 2017-2021 | BMW | 430i | |
| 2017-2021 | BMW | 430i | xDrive |
| 2018-2021 | BMW | 530i | |
| 2018-2021 | BMW | 530i | xDrive |
| 2017-2021 | BMW | M240i | xDrive |
| 2018-2021 | BMW | X3 | sDrive30i |
| 2018-2021 | BMW | X3 | xDrive30i |
| 2019-2021 | BMW | X5 | sDrive40i |
| 2019-2021 | BMW | X5 | xDrive40i |
| 2019-2024 | BMW | Z4 | sDrive30i |
| 2019-2024 | BMW | Z4 | M40i |
Why Choose Supertech?
- Proven in professional racing from Formula to endurance series
- CNC-machined in Italy with tolerances under 0.01 mm
- Backed by metallurgical testing for 400 percent fatigue strength gain
Frequently Asked Questions
-
Q: Which BMW models use the B48 engine for these valves?
A: Fits 2017+ 330i, 430i, 530i, M240i xDrive, X3 30i models, X5 40i, and Z4 30i/M40i with 2.0L turbo B48 -
Q: What material and finish do these valves have?
A: Forged steel construction with black nitride treatment for low friction, heat resistance, and oil retention -
Q: What else is needed for installation?
A: KPR-50 7S keepers required. Recommend matching exhaust valves, springs, and stem seals
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: Special order - ships in 5-7 business days
- Packaging: Protective foam-lined box, 10 x 6 x 2 inches
- Weight: 1.81 lbs
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