BBR spices up MX-5 1.8


As we all know, there's no question that can't be answered by MX-5. Especially when it's got a supercharger lashed to the engine.

Mazda performance specialist BBR has now added the 1.8-litre version of the latest generation car to its supercharger conversion list, promising an increase of power from 126hp to much more satisfying 220hp.

Your sub-£5K blank canvas awaits...
Your sub-£5K blank canvas awaits...
"The 1.8 is tedious, it can't be considered a sports car by any means," says BBR development manager Neil Mckay. (Tell it like it is Neil! - Ed.) The Brackley, Northants, company will solve that for £5,995 in a conversion he reckons drops the 0-60mph sprint time to under six seconds, depending on the tyres.

OK, the 2.0-litre version launched in 2010 with the same fourth generation Eaton MP62 supercharger will make 238hp (244hp for the higher-revving facelift version), but Mckay reckons the 1.8 is the smoother engine.

He also points out that prices for the smaller-engined Mazda have now dropped below £5,000 (here's one) with a fair few high-spec special edition cars knocking about.

Yes, a conversion that costs more than the car sounds like man maths gone tonto, but that amount of power is transformational (see our review of the 2.0-litre here). For the money you get the supercharger, a new intake manifold originally designed by Cosworth, an intercooler, high-flow injectors, uprated hoses and the firm's StarChip ECU remap. Conversions take three to four days.

Supercharger offers a more torquey feel
Supercharger offers a more torquey feel
If you want to include a performance exhaust then the Stage 2 version ups the power again to 234hp and costs £7,674. Too much? BBR also offers the cheaper Super 180(clue's in the name) conversion for a couple of grand.

Mckay reckons his customers' insurance bills rise on average between £100-150 over the standard car when a specialist such as Adrian Flux is used. He even reckons that fuel economy is better, simply because the standard car runs so rich. You get a warranty on the parts but not the engine, which like the two-litre is a version of the Ford Duratec. So fairly bombproof.

BBR is more famous for the turbo version of the Mk1 MX-5 first launched as a Mazda-backed special to celebrate the firm's Le Mans win all the way back in 1991. That Mk1 turbo conversion was resurrected in 2010, but the layout of Mk3 car wasn't friendly to a turbocharged fitment.

So far BBR has sold 40 of the two-litre conversion and is bullish that the 1.8 will be popular too. So what do we think: a financial outlay of Hellenic idiocy, or a sensible investment to create the perfect sports car? Anyone already with a BBR supercharged conversion should pipe up too. How are you liking it?

P.H. O'meter

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Comments (81) Join the discussion on the forum

  • James Dean 10 Oct 2012

    I would like a go in one, just what the MX-5 needs for it to be totally attractable to me. Either a supercharger or 2 more cylinders, which isn't going to happen.

  • Bill Carr 10 Oct 2012

    So £5995 is the cost of conversion, not including the < £5k car? Wowza.

  • F1GTRUeno 10 Oct 2012



    That really looks fantastic to me.

    My next-door neighbours wife has just picked an MX-5 up though, couldn't really be seen in the same car as her.

  • RB Will 10 Oct 2012

    was interested until I saw the £6k conversion price.
    You can buy a bloody TVR for that.

  • jacjac 10 Oct 2012

    I am just in the process of parting with my 07 Mk3 (check Adrian Blyth if you want cracking little car) after two and a half years of happy motoring. Even in standard form it will give a lot more serious sports cars a run for their money - especially around the twisties. I did think about the BBR supercharger conversion, but in order to make any sense of spending that sort of money I would want to use the Mk 3.5 as a base. But at the end of the day even with a newer car I would have been looking at £20-25K for a 240 bhp folding hard top two seater, which we have to accept that despite all the many good bits, will always have a dubious image. Instead I bought this: (same money less to insure albeit a bit more to run overall).

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