Mercedes team radiopublished at 17:03 British Summer Time 17 April 2015
Lewis Hamilton: "Rears are sliding around."
Summary
Rosberg fastest in second practice, Hamilton 2nd, Raikkonen 3rd
Hamilton, Raikkonen, Vettel & Perez under investigation
Vettel collides with Perez after brake failure
Button breaks down for second time on Friday
Hamilton and Maldonado go off track
Raikkonen fastest in first practice
Mercedes team radiopublished at 17:03 British Summer Time 17 April 2015
'Anomaly in the engine data' stopped Buttonpublished at 17:00 British Summer Time 17 April 2015
Tom Clarkson
BBC F1 pit-lane reporter"Poor Jenson Button. (McLaren) noticed an anomaly in the engine data so they asked him to stop the car. At least they could be proactive in the stoppage, whereas this morning the engine just cut out."
Happy to report that Button's car is fixed again and he's just completed a quick recce lap. In the words of Han Solo: "Baby, hold together."
Postpublished at 16:56 British Summer Time 17 April 2015
McLaren on Twitter: 35 minutes of FP2 to go: Ron is in the house. #BahrainGP #DontMessWithRon
Image source, McLarenCertainly not today anyway...
Postpublished at 16:50 British Summer Time 17 April 2015
Williams on Twitter: Just because Frank's turned 73 doesn't mean he's out of touch!
Image source, WilliamsSir Frank celebrated his birthday on Thursday. Truly one of F1's legendary figures.
Postpublished at 16:49 British Summer Time 17 April 2015
Manor F1 on Twitter: Will I am sets sail on Yellow rubber.
Image source, Manor F1That's soft tyres to you and me. Will Stevens is currently 18th, 4.4secs off the ultimate pace. The team is well on target to be inside 107% of pole in qualifying.
Maldonano shows strong pacepublished at 16:47 British Summer Time 17 April 2015
Image source, Getty ImagesBoth Lotus drivers have been a bit lairy in this session, but there's pace in that car.
Pastor Maldonado has done an impressive lap just 0.8s off the best time of Nico Rosberg - and within two tenths of the Williams of Valtteri Bottas and the Ferrari of Sebastian Vettel.
Coverage - extra streamspublished at 16:44 British Summer Time 17 April 2015
Don't forget we have extra camera streams available across all sessions this weekend, including Pitlane feed, Driver tracker, On board, Timings screen and alternative commentary.
Mercedes one-two with 50 minutes leftpublished at 16:41 British Summer Time 17 April 2015
With their initial soft-tyre runs done it's no surprise to report the Mercedes are now top of the order.
Nico Rosberg has the benchmark time with a 1:34.647. Team-mate Lewis Hamilton is second, just over a tenth back.
Next up is the two Ferraris - half a second further back on the same tyre - followed by the Saubers of Felipe Nasr and Marcus Ericsson.
Worrying times for Force Indiapublished at 16:39 British Summer Time 17 April 2015
Andrew Benson
Chief F1 writer"For Force India drivers Nico Hulkenberg and Sergio Perez, the start of this season has been a struggle, and there is no quick end in sight. The team, already on the back foot after introducing their new car with only two days of testing before the start of the season, delivered the bad news last month that a major upgrade package due initially for the next race in Spain will not now appear until Austria in late June at the earliest.
"Not good news for a team already struggling to stay ahead of the McLaren-Hondas - which will surely improve much more quickly - at the back, with only Manor behind.
Image source, AP"'It's actually quite a difficult situation,' Hulkenberg said. 'We are going to have to wait some time for improvements, so it is a hard time. It's never been like this in my career before. Of course I'm not where I want to be, but you also have to put things in perspective. There are many drivers who have been in this situation, so how unprofessional would it be if, after one month of the nine, you stick your head in the sand after three races?'
"It's all quite a change from 12 months ago, when Perez finished on the podium in Bahrain. The Mexican admitted there was no hope of a repeat of that, but he did say the team could realistically hope to score some points."
Get involved - #F1rivalriespublished at 16:36 British Summer Time 17 April 2015
Sam Payne: No rivalry better than Schumi and Hakkinen. Especially in 1998 and 2000. That overtake at spa still the best ever.
Martin Jones: World champion Alan Jones and Williams teammate Carlos Reutemann were hardly besties in the early 80s! No love lost there!
Ryan Nurse: Bit of an unconventional one: Perry McCarthy vs. Andrea Sassetti, whose team he drove for in '92. The guy HATED him.
Image caption, Post-F1, Perry McCarthy became the original, black-clad Stig on Top Gear
Ferrari team radiopublished at 16:34 British Summer Time 17 April 2015
Sebastian Vettel: "It was a good lap until the last corner - I messed up."
Soft tyres are onpublished at 16:34 British Summer Time 17 April 2015
Right, times are coming down now after Ferrari bolted on the quicker soft tyres.
Mercedes have done likewise.
The current order is Raikkonen, Vettel, Ericsson, Hamilton, Hulkenberg.
Bahrain International Circuit by nightpublished at 16:30 British Summer Time 17 April 2015
You can see why they made this a night race...
Postpublished at 16:30 British Summer Time 17 April 2015
Lotus on Twitter: Hello birthday boy!
Image source, LotusI offer this post with no commentpublished at 16:26 British Summer Time 17 April 2015
Pastor Maldonado has just run wide through the final corner.
Get involved - your F1 Rewind reaction, #bbcf1published at 16:22 British Summer Time 17 April 2015
Steven Hayhurst: Amazing to see all the abandoned cars at the side of the track in Adelaide #nosafetycar
Rich Atkinson: F1 was so much sexier in the '70s!
J: I'm supposed to be working!
Mercedes team radiopublished at 16:20 British Summer Time 17 April 2015
Nico Rosberg: "I need to change the brightness on my... oh wait I'll do it myself."
Monitor problems for Rosberg. How Button would kill for something as trifling right now.
Button out again!published at 16:17 British Summer Time 17 April 2015
More woe for JB. His McLaren has ground to a halt - just as it did in FP1!
He looks like a seriously unhappy camper as he extracts himself from the car, which rolls backwards away from him in one final act of petulance.
Hamilton quickest - and pushing too hardpublished at 16:16 British Summer Time 17 April 2015
After a low-key session this morning, Lewis Hamilton has taken the Mercedes to the top of the order early in FP2.
A lap of 1:36.759 has him one tenth clear of Sebastian Vettel's Ferrari.
He's just overcooked it into turn one, running well off track, but he recovers and continues.
Button being readied to go outpublished at 16:10 British Summer Time 17 April 2015
Image source, Getty ImagesGood news for Jenson Button.
A battery problem has kept him sidelined since the opening minutes of FP1 and a lengthy repair job has just been completed by the boys and girls at McLaren.
As BBC pit lane reporter Tom Clarkson rightly points out, if Button had to choose a session to miss this season, it would have been FP1 in Bahrain - 90 minutes of track time that bear absolutely no relevance, temperature-wise, to what will play out in the race.