BMW 740i (E32) Intake Manifold Costs
The average cost for a BMW 740i (E32) Intake Manifold Replacement is between $78 - $145. Get an instant quote with our AI repair estimator.
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What is the intake manifold?
The intake manifold is a crucial component of an internal combustion engine. It is responsible for distributing the air or air/fuel mixture to the engine's cylinders. Typically made of aluminum, plastic, or cast iron, the intake manifold sits atop the engine, connecting the throttle body and cylinder heads. Its design can significantly affect the engine's power output and efficiency by ensuring that each cylinder receives an equal amount of the air-fuel mixture. Furthermore, some intake manifolds are equipped with sensors and actuators for precise control and monitoring of airflow, contributing to fuel efficiency and emissions reduction.
Symptoms of a faulty intake manifold
A malfunctioning intake manifold can lead to a range of engine performance issues. Some common symptoms include:
- Engine Misfires: If an intake manifold gasket fails, it can cause air leaks, leading to improper air-fuel mixture and resulting in misfires in one or more cylinders.
- Decrease in Engine Performance: A compromised intake manifold can disrupt the air-fuel curve delivered to the engine, leading to reduced power and acceleration.
- Rough Idling: Irregular air intake can cause the engine to idle roughly or even stall, especially noticeable when the engine is cold or during deceleration.
- Check Engine Light: Leaks or malfunctions within the intake manifold can trigger the engine control module to illuminate the check engine light on the dashboard.
- Coolant Leaks: In engines where the intake manifold also circulates coolant, leaks can occur, leading to overheating issues and potential engine damage.
How urgent is intake manifold repair?
Repairing a faulty intake manifold is moderately urgent. While the vehicle can sometimes be driven with a malfunctioning intake manifold, doing so can exacerbate engine problems such as misfires, reduced fuel efficiency, and long-term engine damage. Moreover, issues such as coolant leaks may lead to overheating, posing a risk of severe engine damage. To prevent these potential problems, it is advisable to address intake manifold issues promptly with professional inspection and repairs.
How much does intake manifold repair cost?
Repairing an intake manifold typically costs between $300 and $1,000, depending on the extent of the damage and the vehicle's make and model. Material costs and labor are the primary factors, with labor ranging from $80 to $150 per hour due to the complexity of the job. If the manifold requires replacement, the part itself may cost between $200 and $600. Additional expenses might accrue if repairs to surrounding components are necessary.
4 FAQs about intake manifolds
- What causes an intake manifold to fail?
Common causes include wear and tear, heat cycles leading to cracks or warping, poor manufacturing quality, and the deterioration of gaskets. - Can intake manifold problems affect fuel efficiency?
Yes, a faulty intake manifold can cause an imbalanced air-fuel mixture, leading to inefficient engine performance and reduced fuel economy. - How often should the intake manifold be checked?
Regular inspections during scheduled maintenance are recommended to spot early signs of wear, especially in vehicles with high mileage or those showing related symptoms. - Can I drive with a cracked intake manifold?
Driving with a cracked intake manifold is not advisable as it can lead to increased engine strain, possible coolant leaks, and further damage requiring expensive repairs.
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1994 BMW 740i (E32) V8-3982cc 4.0L DOHC (M60) - Intake Manifold Costs
Parts: $76.00Labor: $80.00{ "partPrice": 76, "laborPrice": 80, "alldata_id": 19249, "alldata_vehicle_id": 19249, "title": "Intake Manifold", "parts": { "qualifiers": [ { "name": "", "part": [ { "name": "Intake Manifold", "price": "482.22", "pricecode": "", "partnumber": "11611729528" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Intake Manifold, R&R", "labor": { "skill": "B", "standardtime": "3.8", "warrantytime": "2.8" }, "qualifiers": [] }, { "name": "Rear Cover", "labor": { "skill": "B", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1994, "make": "BMW", "model": "740i (E32)", "engine": "V8-3982cc 4.0L DOHC (M60)" }1993 BMW 740i (E32) V8-3982cc 4.0L DOHC (M60) - Intake Manifold Costs
Parts: $22.00Labor: $41.00{ "partPrice": 22, "laborPrice": 41, "alldata_id": 7922, "alldata_vehicle_id": 7922, "title": "Intake Manifold", "parts": { "qualifiers": [ { "name": "", "part": [ { "name": "1 - Intake Manifold", "price": "482.22", "pricecode": "", "partnumber": "11611729528" } ] }, { "name": "Sound Protection Cap", "part": [ { "name": "1 - Sound Protection Cap", "price": "660.31", "pricecode": "", "partnumber": "11611747093" } ] }, { "name": "Bolt M6X25", "part": [ { "name": "5 - Bolt M6x25", "price": "3.62", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11141460752" } ] }, { "name": "Bracket Front Left", "part": [ { "name": "4 - Bracket Front Left", "price": "29.15", "pricecode": "", "partnumber": "11611747168" } ] }, { "name": "Bracket Front Right", "part": [ { "name": "3 - Bracket Front Right", "price": "29.15", "pricecode": "", "partnumber": "11611747166" } ] }, { "name": "Bracket Rear Left", "part": [ { "name": "6 - Bracket Rear Left", "price": "29.15", "pricecode": "", "partnumber": "11611747169" } ] }, { "name": "Bracket Rear Right", "part": [ { "name": "5 - Bracket Rear Right", "price": "29.15", "pricecode": "", "partnumber": "11611747167" } ] }, { "name": "Cap D=5.0mm", "part": [ { "name": "6 - Cap D=5.0mm", "price": "11.28", "pricecode": "", "partnumber": "11611437694" } ] }, { "name": "Cover", "part": [ { "name": "2 - Cover", "price": "87.90", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11617501562" } ] }, { "name": "Covering", "part": [ { "name": "2 - Covering", "price": "6.10", "pricecode": "", "partnumber": "11611747076" } ] }, { "name": "Gasket Ring A12X17-AL", "part": [ { "name": "13 - Gasket Ring A12x17-al", "price": "0.50", "pricecode": "", "partnumber": "07119963150" } ] }, { "name": "Hex Bolt With Washer M6X16-Z1", "part": [ { "name": "8 - Hex Bolt With Washer M6x16-z1", "price": "0.27", "pricecode": "", "partnumber": "07119915039" } ] }, { "name": "Hex Nut With Plate AM6", "part": [ { "name": "7 - Hex Nut With Plate Am6", "price": "0.33", "pricecode": "", "partnumber": "07129900681" } ] }, { "name": "Hex Nut With Plate AM7", "part": [ { "name": "10 - Hex Nut With Plate Am7", "price": "0.35", "pricecode": "", "partnumber": "07129902630" } ] }, { "name": "Holder", "part": [ { "name": "11 - Holder", "price": "23.25", "pricecode": "", "partnumber": "11611747874" } ] }, { "name": "O-Ring 20X3.55mm", "part": [ { "name": "3 - O-ring 20x3.55mm", "price": "13.48", "pricecode": "", "partnumber": "11151736140" } ] }, { "name": "Profile-Gasket", "part": [ { "name": "4 - Profile-gasket", "price": "9.53", "pricecode": "", "partnumber": "11611729728" } ], "qualifiers": [ { "name": "To 05/92", "part": [ { "name": "8 - Profile-gasket", "price": "18.84", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "11611433328" } ] } ] }, { "name": "Set Bolt 10 M8X16-Z1", "part": [ { "name": "8 - Set Bolt 10 M6x16-z1", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "07509064110" } ] }, { "name": "Set Gasket Ring 50 A12X17-AL", "part": [ { "name": "13 - Set Gasket Ring 50 A12x17-al", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "07509063280" } ] }, { "name": "Set Nut 10 AM6", "part": [ { "name": "7 - Set Nut 10 Am6", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "07509064303" } ] }, { "name": "Set Nut 20 AM7", "part": [ { "name": "10 - Set Nut 20 Am7", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "07509063369" } ] }, { "name": "Shim 12X2.5", "part": [ { "name": "14 - Shim 12x2.5", "price": "7.93", "pricecode": "", "partnumber": "26111225404" } ] }, { "name": "Spacer", "part": [ { "name": "9 - Spacer", "price": "9.95", "pricecode": "", "partnumber": "11611736648" } ] }, { "name": "Temperature Sensor Air 2500-Ohm", "part": [ { "name": "12 - Temperature Sensor Air 2500-ohm", "price": "38.38", "pricecode": "", "partnumber": "13621725323" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Intake Manifold, R&R", "labor": { "skill": "B", "standardtime": "3.8", "warrantytime": "2.8" }, "qualifiers": [] }, { "name": "Rear Cover", "labor": { "skill": "B", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1993, "make": "BMW", "model": "740i (E32)", "engine": "V8-3982cc 4.0L DOHC (M60)" }