BMW 325i Convertible (E30) Valve, Intake/Exhaust Costs
The average cost for a BMW 325i Convertible (E30) Valve, Intake/Exhaust Replacement is between $67 - $124. Get an instant quote with our AI repair estimator.
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What is an intake/exhaust valve?
The intake and exhaust valves are critical components of an internal combustion engine. These valves regulate the flow of air and exhaust gases in and out of the engine's cylinders, allowing the engine to breathe air needed for combustion and expel spent gases. The intake valve opens at the beginning of the engine's intake cycle, allowing fresh air (and sometimes fuel) to enter the combustion chamber. Following combustion, the exhaust valve opens to expel waste gases from the chamber. These valves must function correctly to maintain engine efficiency, performance, and emission standards.
Symptoms of a faulty intake or exhaust valve
Faulty intake or exhaust valves can lead to a variety of engine issues. Common symptoms include a noticeable decline in engine performance, such as a reduction in power, acceleration problems, or increased fuel consumption. Engine misfires might occur, resulting in rough idling or uneven engine running, particularly at lower speeds or startup. You may also observe unusual noises, such as knocking or tapping sounds coming from the engine. Another symptom is increased exhaust emissions, which could cause the vehicle to fail emissions tests. Additionally, if the valves don't seal properly, you might experience a loss of compression in the engine cylinders, leading to further operational inefficiencies. Lastly, a significant increase in oil consumption could indicate valve problems, often evidenced by blue-grey smoke from the exhaust.
How urgent is intake/exhaust valve repair?
Repairing intake or exhaust valves is quite urgent if symptoms are present, as continued operation of a vehicle with faulty valves can lead to more severe engine damage. If left unchecked, issues such as burnt or badly bent valves can cause a loss of engine compression and further degradation of engine components, leading to costly repairs. Prompt attention to the issue is recommended to avoid increased repair costs and potential engine failure, which could leave you stranded and possibly necessitate complete engine rebuild or replacement.
How much does intake/exhaust valve repair cost?
The cost of repairing intake or exhaust valves can vary significantly based on the vehicle make and model, the extent of the damage, and the labor rates of the repair shop. On average, you might expect to pay between $500 to $1,000 for the repair, with the possibility of costs exceeding $1,500 if significant damage or additional parts replacement is required. This estimate includes labor, which constitutes a substantial portion of the cost since reaching the valves typically involves disassembling parts of the engine.
4 FAQs about intake and exhaust valves
- What causes intake or exhaust valves to fail?
Intake and exhaust valves can fail due to several reasons including wear and tear over time, excessive heat, inadequate lubrication, or improper engine maintenance. Factors such as poor timing or faulty valve springs can also lead to premature valve failure. - How do I know if my valves are bent?
Bent valves are usually accompanied by symptoms such as a rough running engine, loss of power, and unusual engine noises. If a valve is severely bent, it may also lead to compression loss, which can be confirmed through a compression test. - Can I drive with a faulty valve?
Driving with a faulty valve is not recommended as it can lead to further damage to the engine, increased repair costs, and potential breakdown. It's important to address the issue promptly to maintain the health of your vehicle. - What maintenance can help prevent valve issues?
Regular maintenance such as timely oil changes, engine tune-ups, and following the manufacturer's recommendations for service can help prevent valve problems. Ensuring proper engine timing and avoiding engine overheating will also help prolong the life of your intake and exhaust valves.
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1993 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $39.00Labor: $91.00{ "partPrice": 39, "laborPrice": 91, "alldata_id": 7915, "alldata_vehicle_id": 7915, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "14.7", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1993, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1992 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $61.00Labor: $59.00{ "partPrice": 61, "laborPrice": 59, "alldata_id": 7904, "alldata_vehicle_id": 7904, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "14.7", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1992, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1991 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $45.00Labor: $13.00{ "partPrice": 45, "laborPrice": 13, "alldata_id": 7889, "alldata_vehicle_id": 7889, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "14.7", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1991, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1990 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $44.00Labor: $45.00{ "partPrice": 44, "laborPrice": 45, "alldata_id": 7882, "alldata_vehicle_id": 7882, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "14.7", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1990, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1989 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $15.00Labor: $71.00{ "partPrice": 15, "laborPrice": 71, "alldata_id": 7873, "alldata_vehicle_id": 7873, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] }, { "name": "Valve Grind Gasket Set", "part": [ { "name": "Valve Grind Gasket Set, Engine -", "price": "465.71", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11129059240" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "15.0", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1989, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1988 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $94.00Labor: $11.00{ "partPrice": 94, "laborPrice": 11, "alldata_id": 7845, "alldata_vehicle_id": 7845, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Intake", "part": [ { "name": "5 - Intake Valve", "note": "Standard Valve Stem.", "price": "70.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708895" } ] }, { "name": "Exhaust", "part": [ { "name": "6 - Exhaust Valve", "note": "Standard Valve Stem.", "price": "82.13", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341708896" } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm, Renew", "labor": { "skill": "A", "standardtime": "2.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, { "name": "Valves, Grind", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "15.0", "warrantytime": "10.7" }, "qualifiers": [] } ] } ] }, "year": 1988, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }1987 BMW 325i Convertible (E30) L6-2494cc 2.5L SOHC (M20) - Valve, Intake/Exhaust Costs
Parts: $18.00Labor: $50.00{ "partPrice": 18, "laborPrice": 50, "alldata_id": 7858, "alldata_vehicle_id": 7858, "title": "Valve, Intake/Exhaust", "parts": { "qualifiers": [ { "name": "Belt Driven", "qualifiers": [ { "name": "Intake Valve", "part": [ { "name": "5 - Intake Valve", "price": "106.45", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341267721" } ] }, { "name": "Exhaust Valve", "part": [ { "name": "6 - Exhaust Valve", "price": "82.68", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11341267722" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Resurface/Grind", "qualifiers": [ { "name": "Belt Driven", "labor": { "note": "Includes: R&R Cylinder Head And Make All Necessary Adjustments. ", "skill": "A", "standardtime": "15.3", "warrantytime": "10.9" }, "qualifiers": [ { "name": "Add the Following Operations If Performed With Valves, Grind", "qualifiers": [ { "name": "Rocker Arm Shaft Assembly", "labor": { "skill": "A", "standardtime": "3.0", "warrantytime": "0.0" }, "qualifiers": [ { "name": "NOTE", "qualifiers": [ { "name": "To Ream Guide, Add", "labor": { "skill": "A", "standardtime": "0.1", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, { "name": "Timing Belt, Renew", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Tune-Up", "labor": { "skill": "A", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Valve Guides, Knurl", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.2", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "Valve Guides, Renew", "qualifiers": [ { "name": "Each", "labor": { "skill": "A", "standardtime": "0.3", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] }, { "name": "Head Removed", "qualifiers": [ { "name": "Belt Driven", "labor": { "skill": "A", "standardtime": "8.5", "warrantytime": "6.1" }, "qualifiers": [] } ] } ] } ] }, "year": 1987, "make": "BMW", "model": "325i Convertible (E30)", "engine": "L6-2494cc 2.5L SOHC (M20)" }