Global lubricant manufacturer Motul has become a key commercial partner of new BRDC Formula 4 Championship team SWR (Sean Walkinshaw Racing), renewing a long-standing association with the Walkinshaw family which stretches back well over 30 years.Chipping Norton-based SWR, which will field two cars in the inaugural season of BRDC Formula 4, has been busy assembling one of the most professional and experienced squads in the championship over the past few months ahead of the single-seater categorys curtain-raiser in April.As part of that development, Motulwhich celebrates its 160th anniversary this yearhas chosen to come onboard as a technical partner for SWR, marking a significant moment for both entities; from the late 1970s through to the mid-1980s the lubrication giant was a commercial partner to the late Tom Walkinshaw during his hugely successful touring car career.Now, almost 30 years since the Walkinshaw and Motul names last teamed-up to challenge for the European Touring Car Championship with a Jaguar XJS, the refreshed partnership is eyeing success in its maiden year as SWR in BRDC Formula 4.Its great to be working with Motul again and were delighted to have such fantastic support for our first season in Formula 4, said SWR team owner Sean Walkinshaw, Theres such a long standing, and successful, heritage which intrinsically links Motul and the Walkinshaw name. Were all determined, and absolutely committed, to continuing that success story with our new venture in single-seaters.Based in Aubervilliers, France, Motul is a world leader in the oil refining, lubrication and chemistry industries with products including engine oil, coolants, hydraulic oils and industrial lubrication. The business was founded in 1853 and since that time Motul has been a true pioneer in the development and manufacture of synthetic and semi-synthetic products with industry-leading innovation.Commenting on the newly announced partnership with SWR, Motuls Andrew Prill said: We are delighted to have renewed our partnership with the Walkinshaw name and with SWR we are looking forward to building on the successes of the past.SWR, which is spearheaded by European Formula 3 Open racer Sean Walkinshaw alongside team principal Ken Page and commercial manager Mick Gomme, is yet to confirm its two drivers for the 2013 BRDC Formula 4 season although is expected to make announcements in due course.Rounds one, two and three of the inaugural BRDC Formula 4 campaign will take place at Silverstone Grand Prix Circuit, SWRs home track, over the weekend 27th/28th April.