It is one of the most popular domestic motor racing series in the United Kingdom, with an extensive program of support categories built up around the BTCC centrepiece.
Elsewhere the championship campaign got off to a bad start for the Honda pair, after both Matt Neal and Gordon Shedden had to make unscheduled pit stops, finishing out of the points.
However, with half a lap to go, his front left tyre suffered a puncture sending him off into the grass and having to limp home to finish 11th.
This meant that Matt Neal left Thruxton the championship leader, with Andrew Jordan and Jason Plato in second and third ahead of defending champion Gordan Shedden in fourth.
In the buildup to round four, AmD Tuning.com announced that Aaron Mason would make his BTCC debut, replacing James Kaye who had a business commitment.
[15] After such a strong qualifying, in came as no surprise that the MG pair we able to convert their front row lock-out into a one-two lights to flag victory for Plato, with Tordoff second in race ten.
During the second race of the day, Plato was able to once again win with another lights to flag run, this time ahead of Gordon Shedden and Colin Turkington respectively.
After choosing the soft tyre, he quickly lost grip and stated dropping down the order to finish outside the points, after contact with Mat Jackson.
This allowed his Pirtek Racing teammate, Andrew Jordan, to take his second win of the season, narrowly beating home eBay Motors Colin Turkington.
Jake Hill replaced Liam Griffin for this round, who had business commitments,[16] and he was joined by Michael Caine in a brand new NGTC Ford Focus.
He narrowly beat Jason Plato in a red flag affected session caused by the returning Joe Girling, who crashed at the chicane.
[17] The first race of the day saw Turkington convert his pole into a dominant lights to flag victory ahead of the Honda pairing of Matt Neal and Gordon Shedden respectively.
At the start, the MG KX Momentum Racing, running on wet tyres, took a large lead from the slick shod cars around them.
However, it soon became apparent that the track was not getting wetter, but was starting to dry and as the cars running slicks gained heat and confidence in the tyres, they soon caught and passed Plato and Sam Tordoff who slowly dropped down to finish outside the points.
[25] Sam Tordoff took his first pole position in the British Touring Car Championship with Jason Plato second making it a MG KX Momentum Racing front–row lock-out.
Matt Neal finished second behind his nearest championship rival while Aron Smith claimed the first podium of the season for Airwaves Racing.
Plato had a dramatic end to his weekend when he spun off on the approach to Hamilton, clipping the barrier and barrel rolling his MG. Jordan and Shedden later had points added to their licences for their moves on Turkington.
RCIB Insurance Racing brought in Scottish Legends racer Kieran Gallagher to replace Jack Goff who was missing the Knockhill round for financial reason.
[32] Rob Austin claimed his first British Touring Car Championship pole position, edging out eBay Motors' Colin Turkington.
[33] Colin Turkington took victory in race one having passed Austin, who went on to finish third behind local hero Gordon Shedden, on the opening lap.
Neal's teammate Shedden retired from the race when he was running fifth when his car caught fire due to an engine failure.
In the Jack Sears Trophy, Lea Wood deprived David Nye of victory in race one on the final lap after starting from the pit lane.
[41] The MG drivers converted their front row lock-out into first and second in the race, Plato leading home Sam Tordoff.
The race was interrupted by a safety car period early on after a collision at the end of the first lap between Andy Neate, Nick Foster and Will Bratt.
Jordan briefly held the lead before Plato fought back and retook the place, Aron Smith meanwhile closed in on both of them to finish third.
Turkington led until the race restarted after a one–lap safety car period to recover debris on the circuit when Gordon Shedden and Aron Smith got past.