Nitron NTR R1 Coilover Kit - BMW E46 M3
Nitron NTR R1 Coilover Kit - BMW E46 M3 - Fast Road (FRS) / Coilover is backordered and will ship as soon as it is back in stock.
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The Nitron NTR R1 coilover kit for BMW E46 M3 provides single-adjuster suspension for road and occasional track setup.
Key features and intended use
- Combined compression and rebound adjustment simplifies damper setup.
- Spring specification can be chosen for road use or a stronger track bias where listed.
- Allows a suspension setup to be matched to use without the separate compression controls of R3.
Application and specifications
| Vehicle application | BMW E46 M3 |
|---|---|
| Manufacturer | Nitron |
| Supplier base part number | NTCBM011R1 |
| Kit family | NTR R1 |
| Damping control | One manual adjuster controls compression and rebound together |
| Front axle lift | Not included |
| Rear suspension layout | Coilover or Divorced |
| Droplinks included | No |
How to choose the setup
Choose the spring package around tire grip, track frequency and the intended ride quality. FRS means Fast Road Specification; TDS means Track Day Specification. These are spring/build choices, not electronic driving modes. The supplier base part number alone does not capture every ordered configuration.
Coilover or divorced rear springs
A divorced rear arrangement keeps the spring separate from the damper. A rear coilover places the spring around the damper. Select the intended rear layout in the options; it is an installation choice rather than a cosmetic preference. Have the installer check the load path, mounts, spring clearance and travel for the selected arrangement.
Installation and ordering
Provide the model year, chassis, factory suspension equipment and intended use when specifying the order. Have the installer verify the mounts, usable travel, wheel clearance and any required electronic hardware. Confirm lead time for the selected configuration; catalog availability is not a promise of immediate dispatch.
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Product FAQs
Can I adjust compression separately from rebound on R1?
No. Manual NTR R1 uses a combined adjustment. R3 provides independent controls if separate tuning is a priority.
What should I evaluate before changing the damping setting?
Start with tire pressures, alignment and a consistent baseline. Assess one change at a time rather than using damper adjustment to compensate for an unresolved chassis issue.
Does choosing a true rear coilover affect the installation requirements?
It changes where the rear spring load is carried. Establish the mounting and reinforcement requirements for the selected layout before ordering.
Ask Pit Garage about this Nitron application. Pit Garage is an automotive repair and race-preparation shop in the Los Angeles area.
Nitron NTR R1 Coilover Kit - BMW E46 M3
