Still struggling with oversteer but much less than in the first one, and then the last stint, again, used the tools I had to adjust the vehicle balance but still couldn't get the rear end to work.
The Briton said of his error: "Yeah, completely my fault with the safety vehicle". In doing so, he had delayed Red Bull's Daniel Ricciardo.
Hamilton did still manage to fight back into second place, but he acknowledged that his mistake denied him the opportunity to top the podium.
He went on to pass the Australian before serving his penalty during his second pit stop before finally passing Bottas in the closing laps and finishing behind Vettel. In a matter of laps, the race had swung firmly in Vettel's favour.
The explanation was that Bottas had too much tire pressure at the start and could not pull away from Vettel, and that he also lacked speed later in the race. Hamilton, who entered the pits soon after slowed down in the pit lane so as to allow Mercedes enough time to send Bottas on his way before Lewis came along.
Vettel's Bahrain triumph underlines once more the serious challenge Ferrari appears to pose to Mercedes' Formula 1 hegemony.
Ferrari's Sebastian Vettel beat both Mercedes to victory in Bahrain despite Valtteri Bottas and Hamilton starting on the front row of the grid.
On the next lapLance Stroll in his Williams and the Toro Rosso of Carlos Sainz came together to bring out the safety auto and start a mad dash for the pits.
Ultimately, Vettel crossed the line six seconds clear of Hamilton but the Mercedes appeared to hold a strong pace advantage over the Ferrari in the final segment of the race.
Bottas finished third approximately 20.0 seconds back.
Turvey returned to the track for the concluding hour and completed a further 15 laps, but he was almost four seconds adrift of Hamilton's best lap and slowest of all the 12 times set. "I try to handle it the best way I can, but it eats you up a little bit inside, and you've just got to end up trying to cope and move forwards".
"Without the penalty he could have still won the race", Lauda said while also acknowledging the fact that Ferrari had called their strategy well. "I would have had to defend hard and that could have meant some risky situations, but like I said the team thought he had the chance to catch Sebastian possibly, and we tried it".
Here, Press Association Sport looks at five things we learned from Sunday's race in the desert.
"I never raced with less power in my life", the Spaniard told his team. The answer arrived eight laps later as he stopped for a second time.
It is the first timeFerrari has won two of the first three races of the season since Kimi Raikkonen and Felipe Massa in 2008, while the last time a single Ferraridriver won two of the opening three races was Michael Schumacher in 2004.