Ignition Coil & Iridium Spark Plugs for BMW 740i (1997-2001) 740iL (1996-2001) 4.4L V8
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Direct Replacement Ignition Coil & Iridium Spark Plugs for 1997-2001 BMW 7 Series
Restores proper spark delivery and combustion efficiency to eliminate misfires and rough idling in the E38 chassis.
The Stock M62 V8 Ignition Weakness
The factory ignition coils on the M62 4.4L V8 are notoriously susceptible to thermal breakdown. Housed deep within the cylinder banks, the OEM coils endure extreme heat cycling that degrades the internal dielectric epoxy over time. This structural degradation leads to secondary voltage leaks, causing intermittent misfires, rough idling, and premature spark plug fouling. Furthermore, standard factory copper or platinum plugs experience accelerated electrode wear under the high-compression conditions of the 4.4L engine, requiring frequent replacement intervals to maintain proper combustion timing.
The Engineering Solution
This comprehensive ignition overhaul kit directly addresses these thermal and electrical vulnerabilities. The replacement coils are manufactured with high-temperature-resistant copper windings and reinforced dielectric epoxy to prevent voltage leakage and ensure a consistent spark curve, even under heavy engine load. Paired with iridium spark plugs, this setup delivers superior electrical conductivity and a highly concentrated spark. The ultra-fine iridium center electrode resists spark erosion significantly better than traditional materials, ensuring precise ignition timing, improved throttle response, and maximum fuel vaporization while extending the service life well beyond OEM specifications.
Technical Specifications
| Fitment | 1996-2001 BMW 7 Series |
| Engine / Chassis | M62 4.4L V8 / E38 |
| Stock Output | 282 hp / 310 lb-ft (Approx) |
| Part Number | UF300, UF354, 62B56, IC417, 12131703228, 12137599219, 12131404309, 12131748017 |
Compatibility
- 1997-2001 BMW 740i (4.4L V8)
- 1996-2001 BMW 740iL (4.4L V8)
The BMW Precision Standard
Engineered to meet strict European tolerances, this ignition setup guarantees precise fitment within the E38 engine bay. Delivering a stable spark prevents catalytic converter damage and ensures your V8 runs smoothly without triggering diagnostic trouble codes or check engine lights.
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