The facts.
| Brand | H2O Performance |
|---|---|
| Kit type | Combined water and oil cooler kit |
| Fitment | BMW S1000RR K46 (2009–2018) |
| Application | Road and track use |
| Construction | Race-specification radiator cores, precision-manufactured |
| Compatibility note | Not compatible with BMW S1000RR from 2019 onwards |
DescriptionThe whole story▼
Engineered to the same standards that H2O Performance applies in professional racing, this combined water and oil cooler kit gives the BMW S1000RR K46 (2009–2018) the thermal headroom it needs to perform at its absolute limit — lap after lap, mile after mile. Where the OEM cooling system was designed around road-going thermal margins, the H2O kit is built for the sustained heat loads that track sessions and high-performance road riding genuinely demand.
Key Features
- Dual-circuit cooling upgrade: combined water and oil radiator kit addresses both coolant and lubricant temperatures simultaneously, protecting the engine from two directions at once
- Race-proven construction used by professional teams worldwide — the same H2O Performance technology trusted on the world's most demanding circuits
- Holds engine oil within its optimal temperature range, preserving film strength and maximising long-term engine reliability
- Significantly reduces the risk of heat-soak, power fade, and thermal shutdown during extended high-speed running
- Precisely tuned as a matched pair — the water and oil radiators are calibrated to work together, not as independent afterthoughts
- Clean, direct fitment for the BMW S1000RR K46 across all model years 2009 to 2018 — no fabrication or adaptation required
Safety Through Thermal Control
The single most reliable way to protect a high-output engine is to keep its temperatures stable and predictable. Overheating is not simply an inconvenience — it degrades oil viscosity, accelerates wear on bearing surfaces, causes power ECU-imposed derating, and in extreme cases leads to seizure. The H2O Performance kit confronts all of these risks directly. By substantially increasing cooling capacity over stock, it keeps both coolant and oil temperatures in the zones where the S1000RR's engineering is calibrated to operate safely. The result is an engine that can be used confidently at full throttle without the thermal anxiety that comes with stock cooling on a hot track day.
Track and Road Applications
Whether the BMW S1000RR K46 is being campaigned on circuit or ridden hard on open roads, the H2O water and oil cooler kit delivers a tangible improvement in thermal stability. On track, this translates to consistent lap times across a full session rather than times that drift as engine temperatures climb. On the road, it provides a meaningful reserve of thermal capacity for spirited mountain passes and motorway touring in warm conditions. Riders who prioritise longevity as much as outright performance will also appreciate that cooler running oil preserves internal clearances and extends service intervals.
Fitment & Compatibility
This H2O Performance water and oil cooler kit is designed exclusively for the BMW S1000RR K46 platform, covering all production years from 2009 through to 2018. It is not compatible with the revised S1000RR introduced from 2019 onwards. Fitment is direct to the K46 chassis without modification.
- BMW S1000RR K46 — 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Specifications
| Brand | H2O Performance |
|---|---|
| Kit Type | Combined water and oil cooler kit |
| Fitment | BMW S1000RR K46 (2009–2018) |
| Application | Road and track use |
| Construction | Race-specification radiator cores, precision-manufactured |
| Origin | H2O Performance — professional motorsport supplier |
FitmentWhich bikes this fits▼
- BMW S1000RR K46 (2009–2018)
Questions, one topic at a time.
Get the real shipping cost for this item to your address — the same rates as checkout.
Choose a destination and hit Estimate — we fetch the live rates for this item.
We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.
Your exact shipping cost is calculated by destination and weight and shown at checkout before you pay — no hidden fees. Express delivery is selectable at checkout where available.
Yes, we ship to over 130 countries. Prices, taxes and delivery times for your destination are calculated automatically at checkout.
Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.
As soon as your parcel ships we email you a tracking link, so you can follow it all the way to your door.
On out-of-stock items you can request a delivery time or leave your email to be notified the moment it returns — just use the notification box on the product.
You have the right to cancel within 14 days of receiving your order. Register your return by email first; once it’s approved you have a further 14 days to send the goods back. Items should be unused and in their original packaging.
Register your return by email with your order number before sending anything back, and we’ll send you the return instructions. Please note: returns that aren’t registered in advance can’t be accepted.
The quickest way is to place a new order for the size you need and register a return for the original by email — just let us know it’s an exchange.
We’re sorry — that shouldn’t happen. Contact us with your order number and a photo as soon as you can, and we’ll arrange a replacement or refund right away. Faulty goods are always covered by your statutory warranty.
Refunds go back to your original payment method, usually within 3–5 working days of your return reaching our warehouse.
PayPal, all major credit and debit cards (Visa, Mastercard, American Express), Klarna (pay later and instalments), Apple Pay, Google Pay and more — all processed securely via PayPal and Mollie.
Yes. Choose Klarna at checkout to split your purchase into flexible monthly installments.
Your payment is taken when you place your order. If you choose Klarna, you pay later according to Klarna’s terms.
Every payment runs over an SSL-encrypted connection through certified providers. We never see or store your full card details.
If your order hasn’t shipped yet, contact us as soon as possible and we’ll do our best to change or cancel it.
No — you can check out as a guest. An account simply lets you track orders and reorder faster.
For customers in the EU, prices are shown including your country’s local VAT. For customers outside the EU, prices are shown without VAT — instead, your country’s import taxes and duties may apply on delivery (see the customs question).
Yes. Your invoice is attached to your order confirmation email and is also available in your account.
Yes. We’re an authorised dealer, so every product is 100% original and comes with the full manufacturer warranty.
Yes. Everything we sell is genuine and comes with the manufacturer’s warranty, on top of your statutory rights. Keep your invoice as proof of purchase and contact us if you ever need to make a claim — we’ll help you through it.
Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.