Dyno Proven gains of up to 15 hp and 17 lb.-ft. of torque
BMW Performance Engine & Drivetrain Parts
- Axles/Driveshafts
- Clutch / Flywheel Kits
- Conversion Kit
- Cooling
- Differentials / LSDs
- Engine Internals
- Forced Induction
- Fuel / Ignition
- Intake Systems
- Intercoolers
- Mounts
- Nitrous Systems
- Oil Catch Can
- Performance Package
- Pulleys
- Short Shifters
- Skid Plate
- Software
- Throttle Controller
- Clearance
The JB flywheel includes the ignition trigger wheel.
Includes rings, wire locks and wrist pins
Holds the driveshaft where it should be! Isolation dampers minimize vibrations and excess noise.
Upgrade Your Gen 1 B58 With Kelford Cams!
For Vehicles With Gen 1 B58 Only
Upgrade Your Gen 1.5 B58 With Kelford Cams!
For Gen 1.5 B58 Cars
Upgrade Your Gen 2 B58 With Kelford Cams!
For Gen 2 B58 Cars
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-29-2026
Everything you need to upgrade your N55 with B58 high-performance ignition coils!
Keep your cool with a new radiator
We Price Match - Give Us A Call or Chat!
This system includes jetting for 35, 50, 75, 100 and 150HP.
Upgrade your OS Giken Differential with this Tune.
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