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BBR Stage One Mazda MX-5 NC (2005-2015) turbo upgrade

Regular price £4,790.00 GBP exc VAT £5,748.00 GBP inc VAT
Regular price Sale price £4,790.00 GBP
Sale Sold out

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(1.8 and 2.0-litre NC models only) +104bhp & 85lb.ft - 5.1s 0-60



New catted down-pipe option available for complete MOT compliance.

The ultimate forced induction package for the MX-5 NC

Since BBR launched its NC MX-5 turbo conversion in November 2013, over 600 of our clients (December 2021) have opted for our fully installed and DIY packages. Our turbocharged conversion delivers efficiency and flexibility unrivalled by other forced induction means, such as supercharged etc. The BBR Stage One turbo conversion delivers an incredible 100bhp+ gain running just 7psi of boost pressure with over 200lb.ft of torque available from just 3000rpm to 7000rpm!

The BBR MX-5 turbo is the only conversion fully designed and developed in-house and manufactured in the UK. Our bespoke BBR cast iron exhaust manifold, internally wastegated genuine Garrett exhaust housing, custom made carbon fibre turbocharger heatshield and utilisation of the OEM air box base with BBR OEM look airbox cover are just a few of the key components that separate the BBR turbo from far inferior imported options (with external wastegates, fabricated exhaust manifolds etc). There are no gimmicks, just great hardware of OEM quality, ensuring maximum reliably and longevity, with turbo boost pressure preset to the desired level.

From the beginning, BBR's design brief was to produce the very best turbocharged conversion with a factory 'OEM' look from a blank canvas. We achieved this by adding a lightweight aluminium high flow intercooler pipework with an efficient front mounted intercooler without moving the battery, standard airbox (along with its affective intake), coolant expansion bottle and other ancillaries from their original position. Through careful design and a unique turbocharger layout, BBR Mazda MX-5 MK3/3.5/3.75 conversion can be installed without drilling, cutting of any bodywork or removing the front bumper! The conversion is also straightforward to reverse should clients wish to revert their car to standard format or transfer the conversion to a later vehicle.

The power gains from the BBR Stage One turbocharged Mazda MX-5 conversion are an impressive 262bhp at 7350rpm and 225lb.ft at 4350rpm for 2.0-litre MX-5 (NC) models, running a maximum conservative 0.45bar (7psi) of boost. Even running at these very low boost pressure, this equates to an incredible 230bhp at the rear wheels (on 1.8-litre engined MX-5 models the equivalent figure is 231bhp and 208lb.ft, a remarkable increase over the standard output). A 2.0-litre BBR Stage One turbocharged MX-5 will clock an impressive 0-60mph in 5.1 seconds, allied to an electronically limited 150mph top speed, endowing the handsome roadster with genuine supercar pace.

Please see our road test section for glowing reviews by many of the UK’s highly critical journalists and a great review below from evo magazines track car of the year with Marino Franchitti:

By using the original manifold back exhaust system and air filter, the BBR Stage One Mazda MX-5 MK3/3.5/3.75 turbocharger conversion produces a discrete, quiet performance.

Due to the natural silencing effect of the turbocharger, the exhaust noise is lower than standard, which makes the conversion a civilised but potent device. For clients who seek a more distinctive, supercar style exhaust note, BBR’s Supersport silencer can be installed.


The technical specification of the BBR Stage One Mazda MX-5 2005-2015 MX-5 turbo upgrade includes:-

  • BBR bespoke Garrett GT series ball bearing turbocharger (360bhp plus capability) – optional polished compressor cover available
  • BBR bespoke cast iron exhaust manifold
  • BBR stainless steel downpipe (optional BBR stainless steel performance exhaust available)
  • BBR high-flow lightweight front mounted aluminium intercooler with factory look black intake pipes (polished and custom colour options available)
  • BBR high-flow custom silicone turbo pipes in factory look black finish with stainless steel hose clamps and unique black coating (custom colour options available)
  • BBR lightweight aluminium battery tray in factory black finish (custom colour options available)
  • BBR Recirculating piston type dump valve in factory black finish
  • BBR / Bosch MAP / Temperature sensor
  • BBR / Bosch high flow fuel injectors
  • BBR carbon fibre turbocharger heat shield
  • BBR high flow airbox (carbon fibre option available)
  • BBR stainless steel / Teflon oil and water lines
  • BBR Starchip EcuTek calibration software with driver switchable modes (MK3.5 and later models only)
  • Optional hardware only and BBR Software/EcuTek programming cable choices for DIY clients


The BBR Stage One turbocharger conversion is available now for all 1.8 and 2.0-litre 2005-2015 MX-5 (NC) models at a cost of £5395 on a fully fitted ‘drive-in, drive-out’ basis from BBR and selected BBR approved Mazda dealerships. The DIY version, intended for export and competent mechanics, is also available as hardware only £4095, including comprehensive instructions and technical support, or including BBR software with either EcuTek ProEcu or ECU Connect programming cables. The BBR Stage One turbocharger conversion carries a 12 month warranty

Eight years on and BBR is proud to still uphold it’s buy back offer:

Owners of BBR upgraded MX-5’s can also enjoy a unique ‘BBR buy back’ offer. We will offer the full current trade price for any 2005-2015 Mazda MX-5, plus 50% of the price of the BBR turbocharger conversion, providing that the rest of the car is standard or further BBR modified specification.

Note: The standard Mazda clutch is the limiting factor on the amount of power and torque the BBR Stage One turbo conversion can generate. Please see the BBR Stage Two conversion for further power gains.

All quoted prices exclude VAT.

Please note that it will take up to 4 weeks to dispatch goods depending on workload.