BDFHYK UF522 ignition coil and 7092 iridium spark plug set for BMW applications

UF522 ignition coil pack with 7092 iridium spark plugs for BMW ignition service

UF522 ignition coil replacement components with 7092 iridium spark plugs

BDFHYK OE-style UF522 ignition coil and 7092 spark plug service components

UF522 ignition coil body and connector reference for BMW applications

7092 iridium spark plug with BDFHYK UF522 ignition coil service set

BDFHYK 6 Ignition Coil UF522 and 6 Iridium Spark Plug 7092 for BMW 320i, 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, 525i, 530i, 760i, 760Li

$79.99

Type Ignition Coil + Spark Plug Set
SKU BDDLZ-BD-05-07369-CK
OE Number For Coil: GN10328, 12131712219, 5C1476, C1477, 50221, C1404, UF522, 52-1751
OE Number For Spark plug:70924504

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Technical Specifications

Brand	BDFHYK
Product Type	Ignition Coil + Spark Plug Set
Primary Coil Reference	UF522
OE / Interchange References	GN10328, 12131712219, 5C1476, C1477, 50221, C1404, UF522, 52-1751
Spark Plug Reference	7092
Vehicle Make	BMW
Fitment Checks	Confirm exact year, model, engine, fuel type, coil reference, connector shape/keying, boot profile, spark plug reference, and required service quantity before ordering.
Installation Checks	Inspect wiring/connectors and spark plug wells; compare removed and replacement components; use the exact vehicle service specification for spark plug gap and tightening torque.

BDFHYK UF522 Ignition Coil and 7092 Iridium Spark Plug Set for BMW Applications

Rough idle, hard starting, hesitation under load, and cylinder-specific misfire symptoms can involve worn ignition components, but wiring, connectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions can create similar symptoms. This BDFHYK ignition coil and spark plug set uses the UF522 ignition coil reference with 7092 iridium spark plugs. Confirm the exact year, model, engine, fuel type, connector, coil reference, and spark plug requirement before ordering.

UF522 Ignition Coil Reference

Ignition coil references include UF522, GN10328, 12131712219, 5C1476, C1477, 50221, C1404, and 52-1751. Compare the number, coil body, connector shape, keying, and boot profile with the removed component before ordering.

7092 Iridium Spark Plug Reference

The primary spark plug reference is 7092. Confirm the spark plug specification required for the exact engine before installation.

BMW Fitment Checks

Confirm year, model, engine, and fuel type.
Compare the ignition coil reference with the removed component.
Compare connector shape, keying, coil body, and boot profile.
Confirm the 7092 spark plug reference for the exact engine.
Confirm the required service quantity for the exact engine.

Diagnostic Checks Before Replacement

A misfire code alone does not prove an ignition coil has failed. Inspect wiring, connectors, spark plug wells, injectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions as part of the diagnosis.

Installation Checks

Inspect wiring and electrical connectors before installation.
Check spark plug wells for oil or moisture.
Compare removed and replacement coil shapes before installation.
Use the exact vehicle service specification for spark plug gap and tightening torque.
Verify connector seating after installation.

BDFHYK ignition coils are OE-style aftermarket replacement components.

Difficulty Moderate

Estimated Time 0.5–1 hour

Tools Required

Screwdrivers
Service manual specific to your vehicle
Socket set and ratchet
Wrenches

Pre-Installation Checklist

Stop the engine before disassembling or replacing the ignition coil.
Check the spark plugs and spark plug wires as part of diagnosis.
Keep the installation area clean and dry.
Make sure the ignition coil connections are correct.
Refer to the service manual for your specific vehicle because removal order and connector or fastener details can vary by make and model.
Disconnect the negative battery cable before working on the ignition system.

Installation Steps

Disconnect the battery. Remove the negative battery cable by loosening the clamp bolt with a socket or wrench.
Locate the ignition coils on top of the engine. They may be attached to the engine block or surrounding components.
Disconnect and remove the old ignition coil. Remove the mounting bolts or screws and disconnect the electrical connector(s). The order can vary by vehicle, so follow the vehicle-specific service manual. Remove the old coil once fully disconnected.
If one coil serves multiple spark plugs and has multiple electrical connections, mark or label the connectors so they can be reattached to the correct terminals.
Install the new ignition coil in the reverse order of removal. Secure the mounting bolts or screws and reconnect the electrical connector(s) in the correct positions.
Reconnect the negative battery terminal. Hand-tighten the connection, then tighten the terminal bolt with a socket or wrench. Do not over-tighten.
Close the hood, start the engine with the vehicle in Park, and confirm it starts and idles normally. If it does, test-drive the vehicle.

Post-Installation Verification

Confirm the new ignition coil is securely mounted.
Confirm all electrical connectors are connected to the correct terminals.
Confirm the negative battery terminal is reconnected and tightened sufficiently without over-tightening.
Start the engine in Park and confirm it starts and idles normally.
If idle is normal, test-drive the vehicle and check for remaining misfire or drivability symptoms.

Troubleshooting

Spark plug and wire checks from the manual:
With the engine running, disconnect spark plug wires one at a time and observe engine-speed or roughness changes; the manual states that no significant change can indicate a bad spark plug.
The manual describes checking for spark by holding the end of a disconnected spark plug wire near a metal surface and looking or listening for a spark or cracking sound.
While the engine is cranked, check for spark at each spark plug wire; the manual states that no spark can indicate a dead wire.
Make sure battery, ignition, coil, and spark-plug wire connections are secure. Wiggle connections and retest if a loose connection is suspected.
Keep spark plug ends clean and free of dirt, oil, or grease; clean and retest before replacing a plug.
Inspect wires for cracked, cut, scraped, or burned insulation. Check boots and terminals for damage, corrosion, or poor contact.
Check for corrosion between the boot, spark plug, and ignition coil, and inspect the spark plug for discoloration or damage.
Inspect spring clips and wire retention at the distributor and spark plug ends to make sure connections are held securely.
Ignition coil failure can cause one or more cylinders to misfire, stuttering, sluggishness, and other drivability issues.

BDFHYK Ignition Coil Installation Guide

Q: Will this UF522 ignition coil and spark plug set fit my BMW?

A: Confirm the exact year, model, engine, fuel type, connector shape, UF522 reference, and 7092 spark plug requirement before ordering.

Q: Which ignition coil reference should I compare?

A: Compare UF522 with the number on the removed ignition coil. Interchange references include GN10328, 12131712219, 5C1476, C1477, 50221, C1404, and 52-1751.

Q: Which spark plug reference is used?

A: The primary spark plug reference is 7092.

Q: How should BMW fitment be confirmed?

A: Confirm year, model, engine, fuel type, coil reference, connector shape, boot profile, spark plug reference, and required service quantity.

Q: Does package quantity equal the required service quantity?

A: Not necessarily. Confirm the service quantity required by the exact engine before ordering.

Q: Does a misfire code prove the ignition coil is bad?

A: No. Wiring, connectors, injectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions can cause similar symptoms.

Q: What should be compared before ordering?

A: Compare the removed coil body, connector shape and keying, boot profile, original reference, spark plug reference, and engine information.

Q: What should be inspected during installation?

A: Inspect wiring and electrical connectors, check spark plug wells for oil or moisture, and compare the removed and replacement component shapes.

Q: What spark plug gap should be used?

A: Use the exact vehicle service specification for the engine and spark plug application.

Q: What tightening torque should be used?

A: Use the exact vehicle service specification for the engine and spark plug application.

Q: What if the engine still misfires after replacement?

A: Continue diagnosis of wiring, connectors, injectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions.

Q: Are these Genuine OEM parts?

A: No. BDFHYK ignition coils are OE-style aftermarket replacement components.

Returns & Refunds

We accept returns within 30 days of delivery for eligible items. If the product is unused and in original condition, you may request a return according to our refund policy. Full policy details: View Refund Policy . We recommend contacting our support team before initiating a return to ensure the fastest resolution.

Customer Support

If you purchased the wrong part, received an incompatible item, or need installation assistance, please contact us directly.

Email: service@bdfhyk.com

Business Hours:

Mon–Fri 9:00–18:00 (GMT+8)

Mon–Fri 19:00–04:00 (UTC−6 / CST)

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Integrated R&D, production, and warehousing. Eliminate middleman markups: same quality at lower prices, superior quality at same prices.

Precision Inspection, Commitment to Excellence
Rigorous inspection process, international certification standards. Each product includes individual inspection.

Before vs After Replacement

Replacing worn ignition coils and spark plugs helps restore stable ignition and smoother engine performance.

BEFORE

Rough Idle & Engine Vibration Noticeable engine shaking while idling. Irregular exhaust flow may indicate unstable ignition performance.

AFTER

Fast Start & Stable Idle IMore consistent spark delivery reduces misfires and stabilizes idle speed.

BEFORE

Sluggish Acceleration Weak throttle response at lower RPM. Vehicle may feel underpowered.

AFTER

Enhanced Power Response Improved throttle response and smoother acceleration

BEFORE

Increased Fuel Consumption Poor combustion can lead to higher fuel usage.

AFTER

Improved Fuel Efficiency Optimized ignition supports more efficient combustion.

Performance improvements may vary depending on vehicle condition.