BMW 850i (E31) Oil Pump, Engine Costs
The average cost for a BMW 850i (E31) Oil Pump, Engine Replacement is between $87 - $162. Get an instant quote with our AI repair estimator.
What is an Engine Oil Pump?
An engine oil pump is an essential component in a vehicle's engine, responsible for circulating engine oil under pressure to the bearings, pistons, and camshaft. This circulation of oil is critical for maintaining lubrication, reducing friction, and cooling the engine's moving parts. The oil pump ensures that every part of the engine receives the proper amount of oil, which helps to increase the engine's lifespan and efficiency. Typically located at the bottom of the engine in the oil pan or attached to the crankshaft, the oil pump operates continuously while the engine is running.
Symptoms of a Faulty Engine Oil Pump
A malfunctioning engine oil pump can lead to significant engine performance issues and potential damage if not addressed promptly. Some common symptoms indicating a faulty oil pump include:
- Low Oil Pressure: One of the most telltale signs of a failing oil pump is a noticeable drop in oil pressure indicated by the dashboard oil pressure gauge or low oil warning light.
- Engine Overheating: If the oil pump is not functioning properly, lubrication is reduced, leading to increased friction and heat, which can cause the engine to overheat.
- Unusual Engine Noise: A worn-out oil pump might cause the engine to make clunking, rattling, or whining noises due to poor lubrication.
- Engine Performance Issues: Insufficient oil circulation may result in decreased engine performance, and potential stalling or misfiring.
- Oil Pump Noise: In some cases, the oil pump itself might make noise if it's failing internally.
How Urgent is Engine Oil Pump Repair?
Repairing or replacing an engine oil pump is a high-priority issue. Ignoring the signs of a failing oil pump can lead to severe engine damage due to inadequate lubrication and cooling. Driving with a faulty oil pump can risk engine overheating and metal-on-metal contact of engine components, which can cause catastrophic failure. If you observe any symptoms such as low oil pressure or unusual engine noises, it’s crucial to have the oil pump inspected and repaired by a professional immediately to prevent further damage and costly repairs.
How Much Does Engine Oil Pump Replacement Cost?
The cost of replacing an engine oil pump can vary significantly depending on the make and model of your vehicle, as well as labor costs in your area. Typically, the price can range from $300 to $800, including parts and labor. The oil pump itself might cost between $50 and $150, while labor costs can make up the rest due to the complexity and time required for the repair. Therefore, it's advisable to get a detailed estimate from a trusted mechanic before proceeding with the repair.
4 FAQs about Engine Oil Pumps
- Can I drive my car with a bad oil pump?
No, it is not safe to drive with a bad oil pump as it can lead to engine overheating and severe damage due to lack of proper lubrication. Driving with inadequate oil pressure can quickly lead to high repair costs and potentially a full engine replacement. - What causes an engine oil pump to fail?
Oil pumps can fail due to several factors, including wear and tear over time, contamination of the engine oil with debris, low oil levels, or incorrect oil viscosity. Regular maintenance and ensuring proper oil levels and quality can help prolong the life of the oil pump. - Can a bad oil pump cause the check engine light to come on?
Yes, a failing oil pump can trigger the check engine light if it leads to low oil pressure or other related issues. It's important to check diagnostic codes with an OBD scanner to confirm if the oil pump is the source of the problem. - How often should the engine oil pump be replaced?
While there is no standard interval for oil pump replacement, it is designed to last as long as the engine itself under normal operation. However, inspecting it for issues during regular oil changes or engine service is wise, especially in high-mileage vehicles or if symptoms of failure arise.
Dev Output
1992 BMW 850i (E31) V12-4988cc 5.0L SOHC (M70) - Oil Pump, Engine Costs
Parts: $34.00Labor: $46.00{ "partPrice": 34, "laborPrice": 46, "alldata_id": 2869, "alldata_vehicle_id": 2869, "title": "Oil Pump, Engine", "parts": { "qualifiers": [ { "name": "Oil Pump", "part": [ { "name": "Oil Pump", "note": "Should be used with the following part(s):\n GUIDE SUPPORT No. 11411725585 HEX BOLT WITH WASHER M8X40-Z1 No. 07119913700", "price": "1848.96", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11411401456" } ] }, { "name": "Oil Pump Chain", "part": [ { "name": "Chain", "price": "31.77", "pricecode": "", "partnumber": "11411715676" } ] }, { "name": "Oil Pump Piston", "qualifiers": [ { "name": "W/ Oil Pump No. 11411725646", "part": [ { "name": "Piston", "note": "Should be used with the following part(s): OIL PUMP No. 11411715663 OIL PUMP No. 11411725646", "price": "15.78", "pricecode": "", "partnumber": "11411725447" } ] }, { "name": "W/ Oil Pump No. 11411733606", "part": [ { "name": "Piston", "note": "Should be used with the following part(s): OIL PUMP No. 11411715663 OIL PUMP No. 11411733606", "price": "34.36", "pricecode": "", "partnumber": "11411729141" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Oil Pump, Renew", "labor": { "skill": "B", "standardtime": "2.0", "warrantytime": "1.4" }, "qualifiers": [] } ] } ] }, "year": 1992, "make": "BMW", "model": "850i (E31)", "engine": "V12-4988cc 5.0L SOHC (M70)" }1991 BMW 850i (E31) V12-4988cc 5.0L SOHC (M70) - Oil Pump, Engine Costs
Parts: $87.00Labor: $77.00{ "partPrice": 87, "laborPrice": 77, "alldata_id": 2860, "alldata_vehicle_id": 2860, "title": "Oil Pump, Engine", "parts": { "qualifiers": [ { "name": "Oil Pump", "part": [ { "name": "Oil Pump", "note": "Should be used with the following part(s):\n GUIDE SUPPORT No. 11411725585 HEX BOLT WITH WASHER M8X40-Z1 No. 07119913700", "price": "1848.96", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11411401456" } ] }, { "name": "Oil Pump Chain", "part": [ { "name": "Chain", "price": "31.77", "pricecode": "", "partnumber": "11411715676" } ] }, { "name": "Oil Pump Piston", "qualifiers": [ { "name": "W/ Oil Pump No. 11411725646", "part": [ { "name": "Piston", "note": "Should be used with the following part(s): OIL PUMP No. 11411715663 OIL PUMP No. 11411725646", "price": "15.78", "pricecode": "", "partnumber": "11411725447" } ] }, { "name": "W/ Oil Pump No. 11411733606", "part": [ { "name": "Piston", "note": "Should be used with the following part(s): OIL PUMP No. 11411715663 OIL PUMP No. 11411733606", "price": "34.36", "pricecode": "", "partnumber": "11411729141" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Oil Pump, Renew", "labor": { "skill": "B", "standardtime": "2.0", "warrantytime": "1.4" }, "qualifiers": [] } ] } ] }, "year": 1991, "make": "BMW", "model": "850i (E31)", "engine": "V12-4988cc 5.0L SOHC (M70)" }