Alex McLeish has vowed to bring in two or three quality players in January to try to ensure Birmingham maintain the form shown during the first half of the season.
Blues will be looking to equal a 50-year-old club record in the top flight by winning against Everton at Goodison Park on Sunday. Three points against David Moyes' side will represent a sixth successive win for City and emulate their achievement of the 1958-59 campaign.
"January is the key for me, to bring in two or three players who can help us enhance the quality of the squad," said McLeish.
"We will need them for a rainy day - if somebody is suspended or injured. Then we will definitely have the cover there to put them in."
McLeish is determined not to repeat events of two years ago when he failed to bring in the required number of players in January 2008 to give Birmingham a realistic chance of avoiding relegation.
And he will have the promise of £20-£40million to spend from new owner Carson Yeung in making sure Blues do not suffer a similar slump to Hull who faded in the second half o last season.
He added: "We will continue to be prudent in the choice of players and the spending.
"But I will look forward to the second part of the season and the January window.
"Sometimes it can be a burden but I felt the last time we were in the Premier League, two years ago, we never added to the squad and that cost us."
McLeish is keeping his cards close to his chest about any possible signings but has a number of potential captures on his radar.
He said: "I'm not going to name any players publicly. We have a number of lists and players under scrutiny. We will continue to do that diligence. We are not down the road yet where we have enough knowledge about transfer fees or wages or that kind of thing - but we are sowing some seeds."
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