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McLaren shoehorned the F1's V12 into a BMW M5 wagon test mule

Automakers are known to utilize preexisting vehicles as test beds for major research and development purposes. But some of the zombie mashups produced in-house can result in pretty interesting combinations. Case in point, when McLaren was developing its BMW-sourced naturally-aspirated 6.1-liter V12 for the legendary F1, the company put the engine in … a BMW M5 wagon? Yup, you read that correctly. ItÂ’s no mystery that the legendary F1 came with a BMW-sourced V12. That "M70" V12 originated from its placement in the E32 7 Series and E31 8 Series “50” models in the 1980s up through the 1990s. The version that went into the F1, however, is more closely related to the M-tuned "S70" V12 found in the E31 850CSI, which was the pseudo M-variant to the 8 Series that wasnÂ’t officially designated an M model. But it did feature full-fledged tuning from the M Division. On "Top Gear" presenter Chris HarrisÂ’ podcast, "Collecting Cars", Harris interviewed David Clark, the former director of McLarenÂ’s cars for both the road and motorsports between 1994 and 1998. Clark revealed that they took an E34 BMW M5 wagon and shoehorned the S70 V12 into its engine bay as the mule for testing the F1Â’s engine. Clark even said he drove the car himself as they were fine-tuning the V12Â’s engine output. YouÂ’re probably wondering, how the heck did that thing fit? But it isnÂ’t that surprising. The E34 5-Series was designed to house either the BMWÂ’s venerable straight-six or the new-at-the-time V8. And there was room enough to house the V12 as well, particularly since BMWÂ’s V12 was essentially two of its “M20” straight-sixes bolted together at the crank in a vee. When Clark was testing the S70 V12 in the wagon, he and his team ended up with the 627 horsepower and 479 pound-feet of torque the F1 became known for. ThatÂ’s nearly twice the power the production M5's 311 hp and 266 lb-ft at the time. Clark also divulged that the actual prototype mule still exists, but itÂ’s in BMWÂ’s secret collection of prototypes, and itÂ’s never been revealed to the public. He does, however, hope that one day, BMW will open its doors and show off the incredible mashup of an automobile. Until then, youÂ’ll have to rely on the few custom engine swaps done by owners to get a taste of what a V12-powered E34 M5 is like. Rumor also has it that McLaren could be working on a new direct F1 successor with help once again from Gordon Murray.

McLaren preparing 650S extreme track-bound versions

McLaren isn't a company used to standing still. It has 182 grand prix victories under its belt, a dozen Formula One titles and some of the most lust-worthy supercars ever made. So we could hardly blame anyone (ourselves included) for impatiently anticipating what the team at Woking has coming next. Of course, McLaren itself is eager to keep its customers focused on the considerable offerings it already has on hand, but speaking to a few key McLaren personalities has given us some clues. The project known internally as P13 is focusing on a rival to the Porsche 911 Turbo and Audi R8. P14 is still a mystery that no one at Woking is willing to talk about at this stage. And P15 is set to slot in between the 650S and P1 once the latter completes its 375-unit production run. But let's not get too caught up with upcoming products before we're done with the latest 650S. As our own Matt Davis will be bringing you shortly in our First Drive report, McLaren has been demonstrating the new 650S to journalists as a prodigious track weapon at the Ascari Race Resort in Spain. But before all is said and done, there will be even more track-focused versions of the 650S to follow. Speaking one-on-one with Autoblog, McLaren CEO Mike Flewitt confirmed that the new 650S is destined for the racetrack, and in multiple guises at that. First up will be the 650S GT Sprint, which could very well get a different name before it hits the circuit. This track-bound version of the 650S will follow in the footsteps of the 12C GT Sprint, a circuit toy of which McLaren has sold about 25 examples to date. Developed by McLaren's GT racing department, the 12C GT Sprint features updated aerodynamics, suspension and safety equipment, along with a set of Pirelli racing slicks to better suit it for roadcourse use. We'd expect the 650S GT Sprint (or whatever it's ultimately called) to carry over most (if not all) of the same features, plus the upgrades which McLaren Automotive applied to the 12C to transform it into the 650S – including the revised front end and upgraded engine. Flewitt tells us to expect the new Sprint track car to launch later this year. McLaren CEO Mike Flewitt tells us to expect the 650S GT Sprint track car to launch later this year. It won't be until next season, however, that McLaren GT will hit the racing circuit with its new 650S GT3.

McLaren P1 LM is the world's most extreme, exclusive supercar

As fast as it is, and as deep as its manufacturer's roots may run in motor racing, the McLaren P1 was designed from the get-go as a road-going supercar. The subsequent P1 GTR adapted it for use exclusively on the track, but now Lanzante has put it back on the road in the form of the new P1 LM. For those unfamiliar, Lanzante is the outfit that campaigned the original McLaren F1 GTR to such great success at Le Mans back in 1995. Following the 28 examples of the F1 GTR, McLaren built another six examples of the F1 LM, kept one and sold the other five – each based on the GTR's specs but modified for road use. Now Lanzante has unearthed that playbook again with the release of the new McLaren P1 LM. Among the steps Lanzante took in transforming the P1 GTR to road spec involved retuning the hybrid powertrain to keep the output at 986 horsepower while running on 99-octane pump gas and at higher temperatures. The automaker saved a good 130 pounds compared to the GTR by ditching the onboard air-jacking system, fitting polycarbonate windows, refabricating the exhaust and cat pipes out of lightweight Inconel and the bolts out of titanium. It even insulated the engine bay in gold leaf – just like the original F1. Lanzante also fitted an exposed carbon-fiber roof, new rolling stock and steering wheel (replete with switchgear like a modern grand prix racer's). It trimmed the interior in Alcantara, and mounted a bigger front splitter and rear wing to increase downforce by 40 percent. The result ought to make for one frighteningly extreme ride, likely to be capable of embarrassing just about anything else on the road or track. We'll try not to be too tempted, though, as Lanzante – mirroring the original – will only make six examples and sell five: one in dark gray (like the prototype pictured) and another four in orange. Given the extensive modifications and the $2 million or so McLaren charged for the P1 GTR in the first place, we don't even want to know how much it would cost to put one in our driveway. We'll be watching, though, to see it run up the hill at Goodwood tomorrow at the hands of McLaren factory driver (and former Indy 500 winner) Kenny Brack, who'll also set up each of the customer examples at the Nurburgring. Related Video: THE McLAREN P1 LM Background Lanzante Ltd. first became globally synonymous with the McLaren name when it ran the semi-works McLaren F1 GTR that won the 24 Hours of Le Mans in 1995.