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SKU: 12470
Vibrant Performance Bosch DBW 74mm Throttle Body to 3in HD Clamp Adapter
Securely connect your Bosch 74mm drive-by-wire throttle body to a 3-inch heavy-duty V-band clamp using this bolt-on adapter from Vibrant Performance. Designed for BMW E46 M3 S54 engines, Porsche 996/997 GT3 models, and custom performance builds with matching throttle bodies, it delivers airtight seals for unrestricted airflow. Say goodbye to risky welding and enjoy straightforward installation that maintains throttle body condition.
Key Features
- Bolt-On Design: Attaches directly to throttle body flange, eliminating welding and potential heat distortion for cleaner fabrication.
- 6061 Aluminum Build: CNC-machined from lightweight, high-strength material that resists corrosion and withstands high boost pressures.
- Full Hardware Kit: Supplies M6 bolts, washers, and premium O-rings to ensure leak-free performance right out of the box.
- 74mm to 3in Transition: Precision flange matches Bosch DBW bore perfectly to standard HD V-band clamps for smooth throttle response.
- Flow-Optimized Machining: Smooth interior surfaces promote maximum airflow without turbulence in intake systems.
Product Notes
- Confirm your throttle body is Bosch 74mm DBW model before purchase
- Apply light oil to O-rings during assembly for best seal longevity
- Adapter ships in protective foam-lined box to avoid shipping damage
Installation Notes
- Professional installation recommended.
- Clean all mating surfaces thoroughly and torque bolts to 8-10 ft-lbs.
- Compatible with Vibrant 3in HD clamps and equivalent aftermarket V-bands.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2006 | BMW | M3 | E46 S54 |
| 1999-2003 | BMW | Z3 M | S54 Coupe/Roadster |
| 2003-2008 | BMW | Z4 M | S54 Coupe/Roadster |
| 1999-2004 | Porsche | 911 | 996 GT3 |
| 2006-2012 | Porsche | 911 | 997 GT3 |
| Universal | Various | Custom Builds | LS Swaps w/ Bosch 74mm DBW TB |
Why Choose Vibrant Performance?
- Trusted leader in U.S.-made performance fabrication parts for over 25 years
- Rigorously tested components built for drag racing and street use
- Exact tolerances from advanced CNC processes guarantee reliable fit every time
Frequently Asked Questions
-
Q: Does this adapter fit the BMW S54 throttle body on E46 M3?
A: Yes, it bolts directly to the OEM Bosch 74mm DBW throttle body found on 2001-2006 BMW M3 E46 models with S54 engine. -
Q: What material and finish does the adapter have?
A: Constructed from durable 6061-T6 aluminum with a raw machined finish for heat dissipation and easy inspection. -
Q: Is any additional hardware needed for installation?
A: No, kit includes all bolts, washers, and O-rings required. Clamp sold separately.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: 4in x 4in x 2in box with protective padding
- Weight: 0.4 lbs
Fabrication
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Vibrant
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