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Summary

  1. Rosberg fastest in second practice, Hamilton 2nd, Button 3rd
  2. Vettel stops out on track, Verstappen 4th
  3. Get involved #bbcf1: do you feel cheated by F1?

Live Reporting

By Gary Rose

All times stated are UK

Get involved

That's your lot from us. 

So far so good for Mercedes, who as expected look to be the team to beat once again. What we REALLY don't want to see is Ferrari's challenge falling away. 

After some problems today, can they get it together for qualifying? Join us for our coverage tomorrow, starting with final practice from 12:00 BST.

Head here for Andrew Benson's thoughts on second practice. Ta ta for now.

Reason for Vettel's early finish wasn't technical - German confirms a loose nut on the left rear wheel #BahrainGP

Reason for Vettel's early finish wasn't technical - German confirms a loose nut on the left rear wheel #BahrainGP

Sebastian Vettel made good use of that unexpected bit of time out of the Ferrari towards the end of the session, watching the action from the edge of the circuit.

A productive use of his time, maybe, but this was way cooler...

Alonso
F1.com

Get involved #bbcf1

@JennieGow @bbcf1 Button has put in a tidy performance, Rosberg looks imperious and Lewis needs to find some time in sector 3.

@JennieGow @bbcf1 button is flying today. I had to go through the drivers to check he was the 'BUT' on screen! 😅

FP2 result

11) Vandoorne 12) Gutierrez 13) Sainz 14) Grosjean 15) Perez 16) Magnussen 17) Hulkenberg 18) Palmer 19) Wehrlein 20) Ericsson 21) Nasr 22) Haryanto

Mark Gallagher

BBC Radio 5 live Formula 1 analyst

"McLaren will take a lot away from this performance, with Jenson Button P3. The pattern of the weekend has been set - Mercedes are way out in front."

FP2 top 10

1) Rosberg 2) Hamilton 3) Button 4) Verstappen 5) Raikkonen 6) Vettel 7) Kvyat 8) Bottas 9) Ricciardo 10) Massa.

It's Nico Rosberg's day as he tops both sessions, Lewis Hamilton not getting it quite right in the latter stages of his laps during his qualifying sim.

Not ideal for Ferrari as Sebastian Vettel - the most likely to challenge Rosberg and Hamilton this weekend - had problems.

Chequered flag

Nico Rosberg finishes fastest in second practice for the Bahrain Grand Prix.

Nico Rosberg
Getty Images

Haas managed to get Romain Grosjean's back out for the final minute or two, but another problem? There's a few whips of blue smoke coming from the car before he pits.

Plenty of cars out on the circuit as we enter the final minute of second practice.

More pitstop practice for the crew, this time with @KevinMagnussen, as the final minutes of #FP2 approach #BahrainGP
More pitstop practice for the crew, this time with @KevinMagnussen, as the final minutes of #FP2 approach #BahrainGP

More pitstop practice for the crew, this time with @KevinMagnussen, as the final minutes of #FP2 approach #BahrainGP

Sebastian Vettel himself, meanwhile, has joined some snappers behind the barriers between Turns 11 and 12. A good chance to take in another perspective of the track and get some insight he might not get from behind the wheel.

Ferrari team radio

The picture is starting to become clearer regarding what happened to Sebastian Vettel. His left rear is wobbling at the Ferrari is lifted into the air and Sebastian Vettel confirmed that was a problem on team radio, saying: "The rear left corner was not tight."

Tom Clarkson

BBC Radio 5 live commentator

"Sebastian Vettel lost drive because he was stuck in neutral so the team thinks it might be an electrical problem."

That debris came off Romain Grosjean's Haas. He caught the kerbs at Turn 13 and lost part of his front wing. 

It has been cleared away and the circuit is green again with six minutes to go.

Tom Clarkson

BBC Radio 5 live commentator

"No-one is looking that stressed at Ferrari. So hopefully what happened with Sebastian Vettel is a fixable problem and not going to require a power unit change."

Virtual Safety Car: Vettel forced to pull off the track with engine trouble #FP2 #BahrainGP
Virtual Safety Car: Vettel forced to pull off the track with engine trouble #FP2 #BahrainGP

Virtual Safety Car: Vettel forced to pull off the track with engine trouble #FP2 #BahrainGP

Virtual Safety Car

The virtual safety car is initiated. There's debris at Turn 13.

Something in the air?

Now Jenson Button has a problem and sounds more than a tad spooked over team radio as he says: "Er what was that on the straight!? I had a sudden cut out."

TEAM RADIO

Sebastian Vettel on team radio: "Something is not right. I stop the car. I lost drive."

Vettel stops

Problems for Sebastian Vettel, and this time it is not spilled water.

He pulls the Ferrari off the track, stops the car and climbs out. 

Reliability problems?

Valtteri Bottas got the most laps out of his used set of super softs during his race sim, squeezing 16 laps out of them before pitting for mediums. He is currently eighth fastest.

McLaren rookie @svandoorne holding his own in 11th place with 20 minutes left 💪 #FP2 #BahrainGP
McLaren rookie @svandoorne holding his own in 11th place with 20 minutes left 💪 #FP2 #BahrainGP
McLaren rookie @svandoorne holding his own in 11th place with 20 minutes left 💪 #FP2 #BahrainGP

McLaren rookie @svandoorne holding his own in 11th place with 20 minutes left 💪 #FP2 #BahrainGP

After 15 laps on used super softs, Nico Rosberg pits and swaps for a used set of super softs.

Nico Rosberg
AP

How's Stoffel Vandoorne's pace holding up against his more experienced team-mate Jenson Button's? 

Button has just done a 1:39.3 while Vandoorne's latest lap is a 39.0. Vandoorne's tyres are a little fresher though.

Tom Clarkson

BBC Radio 5 live commentator in Bahrain

"I am looking at the super softs that have just come off Sebastian Vettel's car and the fronts in particular do not look very good, very worn." 

Sebastian Vettel goes in on the end of a 14-lap run on the super softs. His Ferrari team-mate Kimi Raikkonen has been the busiest driver on the track in this session, having racked up 25 laps.

Felipe just returned to the garage while Marcus is out on track, also for a long-run on medium tyres #F1 #FP2 #BahrainGP

Andrew Benson

Chief F1 writer in Bahrain

We are seeing a lot of drop off in the super soft tyres, Nico Rosberg's laps went down by seven tenths, then five tenths and another five tenths in successive laps so it doesn't look like these super softs will last that long at the start of the race.

Put Formula 1 alongside football, fireworks and the dent on my car door that looks immeasurably better at night. Stunning. 

Nico Rosberg and Sebastian Vettel are well into their long runs, 10 laps to the good on the used set of super softs.

Back to yellow for Kev. The tyres obviously, the cars very much stays yellow at all times.

Back to yellow for Kev. The tyres obviously, the cars very much stays yellow at all times.

Button finds the button

When Jenson Button does leave F1 - and hopefully that's not going to be any time soon - I'll miss his sense of humour.

After he was told he was P3 over the radio, he responded with: "I found the go faster button! I found it!"

Reasons to love F1 - Sparks. Lots and lots of lovely sparks.

Why we love #F1 #FP2 #BahrainGP

Why we love #F1 #FP2 #BahrainGP

Top 5 in #Bahrain #F1 FP2 are already faster that last years pole lap. Currently @nico_rosberg 1.5 seconds quicker than 2015 pole!! @bbcf1

Several other drivers follow Nico Rosberg by heading out on a used set of super softs to begin their race sims, Lewis Hamilton, Sebastian Vettel and Felipe Massa among them.

No super soft runs from Marcus Ericsson, Felipe Nasr, Rio Haryanto or Pascal Wehrlein as yet.

Tom Clarkson

BBC Radio 5 live commentator in Bahrain

"They are going out to simulate the first stint of the race - to see how far these supersofts will go." 

A cautious first run on the super softs for Stoffel Vandoorne. He goes 10th fastest, seventh tenths of a second down on fellow McLaren driver Jenson Button's time.

Meanwhile, Nico Rosberg is getting ready for another run on the super softs. 

Get involved #bbcf1

McLaren actually look the 3rd or 4th fastest car this weekend. Vandoorne could well carry on his good record in Bahrain #skyf1 #bbcf1

Mark Gallagher

BBC Radio 5 live Formula 1 analyst

"For Jenson to be P3 in the McLaren-Honda with so many others on the super softs - that is a great performance from the former world champion."

Here's something you don't get to say often - McLaren are currently the best of the rest. 

Jenson Button's flyer on the supersofts is a 1:32.281, putting him third fastest. It's nothing to worry Mercedes, with Nico Rosberg 1.2s down the road, but encouraging for McLaren.

Get involved #bbcf1

In terms of engineering (which I study), F1 isn't cheating us. Fantastic tech which is actually really interesting. #bbcf1