BMW 1 3 Series E46 E81 E87 E90 116i 316i Petrol N45 N45N. Power Steering Water Pump Thermostat. Genuine used BMW part. Part Replaces: 11517511220 11517511221. We do have a lot of parts for almost every BMW model. Feel free to ask for any other BMW car parts, we are always happy to help. PLEASE NOTE that the vehicle compatibility list is for information purposes only, does not guarantee correct part fitments to your vehicle and may fit other models. Other locations in the UK will be more expensive. It is also possible to collect the item from our warehouse. This item is used but is in good condition and is in full working order. We will ALWAYS try our best to help.