{"product_id":"nitron-ntr-r1-coilovers-bmw-e9x-m3-2007-2013","title":"Nitron NTR R1 Coilovers BMW E9X M3 (2007–2013)","description":"\u003ch2\u003ePrecision Suspension for Road and Track\u003c\/h2\u003e\n\u003cp\u003eUpgrade your BMW E9X M3 with the Nitron NTR R1 Coilover Kit – a premium, hand-built suspension system engineered for high-performance road driving and serious track use.\u003c\/p\u003e\n\u003cp class=\"\"\u003eDeveloped from Nitron’s competition-level R3 system, the R1 offers 1-way combined damping adjustment for both bump and rebound. This compact, user-friendly design delivers impressive handling improvements, sharper steering response, and enhanced confidence on track – without the complexity of remote reservoirs.\u003c\/p\u003e\n\u003chr class=\"\"\u003e\n\u003ch2\u003eKey Features of the Nitron NTR R1 Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003e1-way damping adjustment (bump and rebound combined)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eTrue or Divorced rear spring configuration for E9X chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eChoice of spring rates: Fast Road or Track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eUltra-low friction internals to minimise fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eTitanium and hard-anodised components for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eLightweight, corrosion-resistant construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eFully serviceable and rebuildable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eHand-assembled in the UK to order\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\"\u003e\n\u003ch2\u003eSpring Rate Options – Tuned by Nitron for the BMW E9X M3\u003c\/h2\u003e\n\u003cp class=\"\"\u003eEach Nitron NTR R1 kit is supplied with carefully selected spring rates and damper lengths based on extensive development and testing. Nitron’s team take into account the unique characteristics of the E9X M3 to offer a setup that works exceptionally well out of the box.\u003c\/p\u003e\n\u003cp class=\"\"\u003eTwo options are available to suit different use cases:\u003c\/p\u003e\n\u003ch3\u003eFast Road Setup\u003c\/h3\u003e\n\u003cp\u003eIdeal for high-performance road driving and occasional track use. Offers excellent control with a compliant ride.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eFront: 120 N\/mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eRear (Divorced): 120 N\/mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eRear (True Coilover): Approx. 62 N\/mm equivalent*\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrack Setup\u003c\/h3\u003e\n\u003cp class=\"\"\u003eDesigned for drivers who want sharper handling and improved chassis control at higher speeds or during trackdays.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eFront: 140 N\/mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eRear (Divorced): 140 N\/mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eRear (True Coilover): Approx. 70 N\/mm equivalent\u003cem\u003e\u003cspan\u003eTrue rear spring rates appear lower due to different mounting ratios and spring positions – overall stiffness is comparable.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\"\u003e\n\u003ch3\u003eCustom Options Available\u003c\/h3\u003e\n\u003cp class=\"\"\u003eCustom spring rates, spring lengths, and damper lengths can be requested to suit unique builds or preferences. Contact us before ordering and we’ll work with Nitron to tailor the kit to your exact needs.\u003c\/p\u003e\n\u003chr class=\"\"\u003e\n\u003ch2\u003eTrue vs Divorced Rear – What’s the Difference?\u003c\/h2\u003e\n\u003ch3\u003eTrue Rear Setup\u003c\/h3\u003e\n\u003cp class=\"\"\u003eCombines the spring and damper into a single coilover unit, mounted together. This is often preferred for track-focused setups due to its simplicity, reduced weight, and improved response.\u003c\/p\u003e\n\u003ch3\u003eDivorced Rear Setup\u003c\/h3\u003e\n\u003cp class=\"\"\u003eRetains the factory-style layout with separate spring and damper. This option maintains the original suspension geometry and is a straightforward fitment for those who prefer the OEM configuration.\u003c\/p\u003e\n\u003ch3\u003eWhich Should You Choose?\u003c\/h3\u003e\n\u003cp class=\"\"\u003eBoth configurations offer excellent performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eChoose\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTrue Rear\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor maximum handling sharpness and adjustability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003eChoose\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDivorced Rear\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eif you want to retain the OEM layout or prefer a more traditional installation approach.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\"\u003e\n\u003ch2\u003eRace-Bred Engineering for the BMW E9X M3\u003c\/h2\u003e\n\u003cp class=\"\"\u003eThe NTR R1 shares its core architecture with Nitron’s full competition R3 kit. This ensures a level of damping performance, build quality, and longevity far beyond typical aftermarket suspension.\u003c\/p\u003e\n\u003cp class=\"\"\u003eLow-friction internals and a monotube design ensure consistent performance even under repeated high-load use. Whether you're pushing hard on track or chasing precision on fast A-roads, the R1 is built to deliver.\u003c\/p\u003e\n\u003chr class=\"\"\u003e\n\u003ch2\u003eBuilt to Order in the UK – Customised for You\u003c\/h2\u003e\n\u003cp class=\"\"\u003eEvery NTR R1 kit is hand-built to your spec at Nitron’s UK facility. Choose your spring rate and rear layout at checkout and we’ll handle the rest.\u003c\/p\u003e\n\u003cp class=\"\"\u003eLead time is typically \u003cspan\u003e6-8 weeks\u003c\/span\u003e. For the most accurate estimate, contact us directly and we’ll check with Nitron.\u003c\/p\u003e","brand":"Nitron Suspension","offers":[{"title":"Coilover \/ Fast Road","offer_id":54649673154887,"sku":null,"price":3625.0,"currency_code":"GBP","in_stock":true},{"title":"Coilover \/ Track","offer_id":54649673187655,"sku":null,"price":3625.0,"currency_code":"GBP","in_stock":true},{"title":"Divorced \/ Fast Road","offer_id":54649673220423,"sku":null,"price":3625.0,"currency_code":"GBP","in_stock":true},{"title":"Divorced \/ Track","offer_id":54649673253191,"sku":null,"price":3625.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/7942\/8167\/files\/nitron-ntr-r1-coilovers-bmw-e9x-m3-20072013-2232080.webp?v=1786980252","url":"https:\/\/www.cpcclubsport.com\/products\/nitron-ntr-r1-coilovers-bmw-e9x-m3-2007-2013","provider":"CPC Clubsport","version":"1.0","type":"link"}