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Car Forum / BMW Cars / July 2004Battery Safety Terminal
Will I be able to replace the BST myself on an E46 318 (1999)? It would save me a great deal if I could just buy one and replace it at home, without having to book the car in to a dealership. Yes, you can change it with a pair of adjustable spanners and a set of wire cutters. However, it's a pain in the butt. Also, check into the cost of the complete cable, vs the "repair kit". It's been my experience that the BST repair kit is more expensive than the entire cable. If price is an issue and time is not, you may be better off replacing the entire cable. Note that you'll still need a trip to the dealer to clear the fault from the MRS module after repairing the cable. Brett Anderson KMS > Will I be able to replace the BST myself on an E46 318 (1999)? It > would save me a great deal if I could just buy one and replace it at > home, without having to book the car in to a dealership. >Also, check into the cost of the complete cable, vs the "repair kit". It's >been my experience that the BST repair kit is more expensive than the entire >cable. If price is an issue and time is not, you may be better off >replacing the entire cable. Thanks. Both price and time are an issue, but I don't relish the thought of opening up everything to replace the cable. Nothing is ever the same after an operation like that, so I think I'll try and get hold of a repair kit. What is a BST anyway?? >What is a BST anyway?? The Battery Safety Terminal is a pyrotechnic device that disconnects the high current starter circuit from the battery in the event of a collission, in order to prevent possible short circuits and sparks. It deploys at the same time as the airbags, sometimes unnecessarily on some models. >Will I be able to replace the BST myself on an E46 318 (1999)? It >would save me a great deal if I could just buy one and replace it at >home, without having to book the car in to a dealership. Fortunately the BST is a very simple device, consisting of a male-female jack that blow apart on deployment. To effect a temporary repair all that was necessary was too remove the plastic BST cover and re-insert the male side, which is the starter side, into the female on the terminal. We finished with a cable tie to prevent the jack coming loose too easily. |
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