Speedy has it right. Fill the filter as full as you can and crank away. She'll eventually start. I've heard you can crank for a minute at a time without hurting the starter but I limit it to 30-40 seconds (allow it to cool a minute before trying again.) I try to change my 124 filter when the engine is still warm as it seems to catch easier and I don't need to glow so it leaves me extra juice for cranking.

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LRG
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold