<h2>6x Ignition Coil 0221504470 for Bosch BMW 325i 328i 335 525 528 530 535 X3 X5 X6</h2><p>This set of six ignition coils, referenced under 0221504470, delivers the spark energy needed for consistent combustion in a range of BMW gasoline engines.</p><h4>Overview</h4><p>This 6x ignition coil set is built to replace worn or failing coils on supported BMW models, restoring reliable spark and smooth running. Each ignition coil in the pack cross-references 0221504470, so you can match it against the part you are removing. Sold as a set of six, it covers inline-six and other six-cylinder applications listed below.</p><h4>Built For Performance</h4><ul> <li>Set of six coils covers a full six-cylinder engine at once</li> <li>Cross-reference 0221504470 for straightforward part matching</li> <li>Designed to deliver consistent spark energy across the rpm range</li> <li>Direct-fit style connectors for the listed BMW applications</li> <li>Fresh coils help resolve misfires, rough idle, and hesitation</li> </ul><h4>Fits These Machines</h4><ul> <li>for BMW 325i</li> <li>for BMW 328i</li> <li>for BMW 335</li> <li>for BMW 525</li> <li>for BMW 528</li> <li>for BMW 530</li> <li>for BMW 535</li> <li>for BMW X3</li> <li>for BMW X5</li> <li>for BMW X6</li> </ul><h4>On-The-Job Use</h4><ul> <li>Replacing coils during a tune-up or misfire diagnosis</li> <li>Restoring smooth idle and throttle response on higher-mileage engines</li> <li>Servicing one bank or the full set while the engine is apart</li> <li>Keeping a spare set on hand for track or daily-driven cars</li> </ul><h4>Specs At A Glance</h4><table> <tr> <td><strong>Part Number(s)</strong></td> <td>0221504470</td> </tr> <tr> <td><strong>Quantity</strong></td> <td>6 coils</td> </tr> <tr> <td><strong>Reference Brand</strong></td> <td>for Bosch</td> </tr> </table><h4>Good To Know</h4><p><strong>Q:</strong> Should I replace all six coils at once? <strong>A:</strong> If the coils share similar mileage, replacing the full set in one job avoids repeat labor as the remaining originals wear out. It also keeps spark output consistent across all cylinders.</p><p><strong>Q:</strong> How do I confirm this coil fits my car? <strong>A:</strong> Match the 0221504470 reference against the part number on your existing coil and check your engine code against the listed models. Verifying by VIN is the safest step before ordering.</p><p><em>Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.</em></p>