it is always wise to get a split nut glow plug puller set from Amazon - the broken ones are a real pain to get out - careful aiming with a drill can save you and use of an old gutted glow plug as a guide for the heating element puller is also crucial.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)