Full time: Manchester United 1-1 Bayern Munich
The referee blows his final whistle. Thank you for following our live coverage.
90 Schweinsteiger will also miss the second leg after he is sent off! He receives a second booking for a tackle on Wayne Rooney.
90 Bayern are piling on pressure.
89 Bayern defender Javi Martinez is booked for a challenge on Hernandez. Martinez will miss the second leg in Munich.
85 Man United make their final substitution. Striker Javier Hernandez replaces Danny Welbeck.
83 Bayern are totally controlling the game in the last few minutes. Will they be able to emerge winners?
81 A Frank Ribery low cross goes begging.
77 What a chance for Bayern! Arjen Robben misses a sitter following a lay-off from Goetze. His low shot from the edge of the area goes just wide.
75 The final 15 minutes could be very exciting. Bayern do not seem too satisfied about the score, pouring forward en masse to record a win at Old Trafford.
74 Bayern also make a substitution. Playmaker Mario Goetze replaces Toni Kroos.
73 Manchester United winger Ashley Young replaces defender Buttner.
73 The players are arguing after Valencia made a clumsy challenge on Bayern's David Alaba.
71 Robben, as usual, cuts inside on the edge of the area and curls a left-foot shot that goes wide.
70 It seems United winger Valencia has picked up an injury.
67 Substitute Manzukic makes an instant impact by setting up Schweinsteiger for the equaliser. He superbly meets a cross at the far post with a neat header that finds the unmarked Schweinsteiger, whose first-timer goes into the roof of the net.
67 GOOOAAAAAL FOR BAYERN
66 A long-range David Alaba shot is superbly collected by David De Gea.
65 A Toni Kroos shot is blocked by Rio Ferdinand. Bayern are expected to mount an onslaught in a bid to level the score.
63 Bayern make their first substitution. Striker Mario Mandzukic replaces Thomas Mueller.
61 Bayern's Schweinsteiger is booked for a foul on Carrick.
60 That was surprising. Bayern Munich fall behind despite dominating much of possession.
58 United's Serbian defender Nemanja Vidic scores against the run of play with a superb header from a Rooney corner.
57 GOAAAAAL FOR UNITED
Manchester United's Nemanja Vidic, center, scores the opening goal during the Champions League quarterfinal first leg soccer match between Manchester United and Bayern Munich at Old Trafford Stadium, Manchester, England, Tuesday, April 1, 2014.(AP)
Some tame United crosses are easily cleared by the Bayern defence at the other end.
A Robben shot is blocked by the United defence.
Neuer rushes out of goal in a timely manner to head the ball away just before it reaches Wayne Rooney on the edge of the area. Man United can still open the scoring via a counter attack.
Bayern continue from where they left off in the first half. Will their pressure pay dividends soon?
Midfielder Schweinsteiger wastes Bayern's first chance in the second half! His powerful shot from a tight angle goes just over the crossbar from inside the area.
Manchester United make their first substitution. Japanese playmaker Shinji Kagawa replaces Ryan Giggs.
The second half is underway
The referee blows his half-time whistle
Danny Welbeck wastes United's best effort! He fails to find the net in a one-on-one with Manuel Neuer.
Five minutes remaining before half-time. Bayern are still unable to unlock a tight United defence.
The lively Alaba sends a low cross to the far post but United's defence clears the danger.
Man United defender Buettner blocks a shot with his arm but the referee waves play on.
Arjen Robben lets fly from 20 metres but his curling shot is superbly blocked by a flying save from David De Gea.
It's a boring affair so far, with Bayern totally dominating possession without creating any clear-cut chances. Manchester United are successfully defending in numbers.
Welbeck is isolated upfront as Man United show little intent of trying to make the most of their counter attacks.
A David Alabaa cross from the left goes begging as Bayern continue their relentless pressure.
United's defensive wall cuts short any attacking attempts from the visitors.
A series of passes around United's area are yet to really benefit the Bavarians.
Ribery tries his luck from distance but his left-foot shot goes wide.
Bayern had the better possession in the first quarter of an hour, laying siege to United's area without really threatening.
Manchester United winger Antonio Valencia receives a yellow card for a challenge on Lahm.
Bayern are counting on Pep Guardiola's trademark possession-based football.
Robben is causing constant menace to United's defence, thanks to his marauding forays.
In another swift Bayern move, the overlapping Ribery exchanges passes with Robben and whips in a cross from the right but Phil Jones clears the danger.
United are gradually finding their rhythm. It's an evenly-balanced tie so far.
First chance for Bayern! winger Arjen Robben cuts inside Michael Carrick and sends a curling effort that narrowly misses the target.
Bayern are still in control but United are holding firm.
At the other end, Danny Welbeck finds the net with a powerful volley but his goal is ruled out for a handball in the build-up.
Bayern are mounting pressure in the early stages. A Franck Ribery cross from the left is cleared by United's defence.
Ryan Giggs, playing in a deep midfield role, will be tasked with sending long balls behind Bayern Munich's solid backline.
The match is underway
Both sides are warming-up, 15 minutes before the anticipated game starts.
Manchester United starting line-up: David De Gea, Alexander Buettner, Rio Ferdinand, Nemanja Vidic, Phil Jones, Michael Carrick, Marouane Fellaini, Danny Welbeck, Ryan Giggs, Antonio Valencia, Wayne Rooney.
19:45 Bayern Munich starting line-up: Manuel Neuer, Philipp Lahm, Rafinha, Jerome Boateng, David Alaba, Javier Martinez, Bastian Schweinsteiger, Toni Kroos, Franck Ribery, Arjen Robben, Thomas Mueller.
Check the UEFA Champions League top scorers so far this season.
19:00 Bayern will miss Thiago Alcantara after he tore ligaments in his right knee during the first half against Hoffenheim.
18:30 Manchester United won three Champions League titles, including a memorable one in 1999 when they scored two stoppage-time goals to defeat Bayern Munich 2-1 at the Nou Camp.
Master in the middle: Sir Alex lead Manchester United to Champions League glory in 1999 when they beat Bayern Munich 2-1 in Barcelona
Bayern will become the first team to win back-to-back Champions League titles in its modern format if they lift this season's trophy.
Last season's top scorer Robin van Persie is currently sidelined after spraining his knee against Olympiakos, but the form of Wayne Rooney, at least, gives United reason for optimism
16:00 United are a far cry from the team who commanded unreserved respect around Europe during Alex Ferguson's heyday but their home form in the Champions League this season has been good, in marked contrast to their woeful Premier League record at Old Trafford
15:30 Moyes will take little comfort from results at the weekend when Bayern's 19-match league winning streak ended in a 3-3 home draw with Hoffenheim after surrendering a 3-1 lead while United thrashed Aston Villa 4-1 in the Premier League
15:00 While Bayern have grown even stronger under their new coach, Pep Guardiola, sweeping to a successful Bundesliga title defence in record time, United have endured a torrid campaign
14:30 Languishing seventh in the Premier League after a dismal first season under manager David Moyes, United are huge underdogs to get through the two-legged quarter-final against the Bundesliga champions.
Match is due to start at 18:45 GMT
Venue:Old Trafford, Manchester (ENG)
Referee: Carlos Velasco Carballo (ESP)
Assistant referees: Roberto Alonso (ESP), Juan Yuste (ESP)
Fourth official: Pau Cebrian Devis (ESP)
Additional assistant referees:Carlos Gómez (ESP), Carlos Del Cerro (ESP)
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