{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle

BMW 330Ci Ignition Coils

Refine by:
See All
See All

Shop Catalog

Showing 1 - 15 of 167 results
Display item:
15
30
45
Sort by:
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
DriveWire
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
Part Number: REPB504617
Vehicle Info Required to Guarantee Fit
$17.50
Product Details
Notes : Black and Silver CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404, C1477Interchange Part Number : UF667, 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individually
Ignition Coils, Set of 4, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
DriveWire
Ignition Coils, Set of 4, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
Part Number: SET-REPB504617-4
Vehicle Info Required to Guarantee Fit
$65.49
Product Details
Notes : Black and Silver CoilComponents : (4) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404, C1477Interchange Part Number : 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404, C1477Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 4
Ignition Coils, Set of 6, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
DriveWire
Ignition Coils, Set of 6, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
Part Number: SET-REPB504617-6
Vehicle Info Required to Guarantee Fit
$99.49
Product Details
Notes : Black and Silver CoilComponents : (6) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404, C1477Interchange Part Number : 00042, 00044, 00124, 20438, 48888, 49021, 50283, 230154, 230546, 250170, 250221, 250274, 368059, 368212, 522050, 522053, 522190, 1788480, 1788508, 1788522, 1788533, 9212098, 9212111, 9212252, 9212259, 9212275, 92121116, 92122756, 92840986, 0221504464, 0221504465, 0221504470, 0221504800, 358000471, 2505317709, 2505424598, 2505484831, 12137594596, 12137594936, 12138616153, 12138647689, 1IC199, 26C1016, 2IGC0102, 2IGC0155, 2IGC0222, 5C1401, 5C1476, 5C1695, 5C1698, 5C1852, 5C1883, C1404, C1477Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 6
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
DriveWire
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
Part Number: REPB504614
Vehicle Info Required to Guarantee Fit
$16.99
Product Details
Recommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Interchange Part Number : UF592, 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individually
Ignition Coils, Set of 2, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
DriveWire
Ignition Coils, Set of 2, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
Part Number: SET-REPB504614-2
Vehicle Info Required to Guarantee Fit
$33.99
Product Details
Components : (2) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Interchange Part Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 2
Ignition Coils, Set of 4, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
DriveWire
Ignition Coils, Set of 4, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
Part Number: SET-REPB504614-4
Vehicle Info Required to Guarantee Fit
$65.99
Product Details
Components : (4) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Interchange Part Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 4
Ignition Coils, Set of 6, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
DriveWire
Ignition Coils, Set of 6, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
Part Number: SET-REPB504614-6
Vehicle Info Required to Guarantee Fit
$99.99
Product Details
Components : (6) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Interchange Part Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 6
Ignition Coils, Set of 12, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
DriveWire
Ignition Coils, Set of 12, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
Part Number: SET-REPB504614-12
Vehicle Info Required to Guarantee Fit
$198.49
Product Details
Components : (12) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Interchange Part Number : 00044, 20438, 522050, 1788508, 0221504470, 12137594937, 12138647689, 12137562744, 12137571643, 12137594938, 5C1695, C1638, C806, E1092, GN10328Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 12
Ignition Coil, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
DriveWire
Ignition Coil, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
Part Number: REPB504613
Vehicle Info Required to Guarantee Fit
$17.49
Product Details
Notes : Rectangular Connector ShapeRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12137599219Interchange Part Number : UF300, 12137599219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individually
Ignition Coils, Set of 4, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
DriveWire
Ignition Coils, Set of 4, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
Part Number: SET-REPB504613-4
Vehicle Info Required to Guarantee Fit
$65.49
Product Details
Notes : Rectangular Connector ShapeComponents : (4) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12137599219Interchange Part Number : 12137599219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 4
Ignition Coils, Set of 6, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
DriveWire
Ignition Coils, Set of 6, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
Part Number: SET-REPB504613-6
Vehicle Info Required to Guarantee Fit
$99.49
Product Details
Notes : Rectangular Connector ShapeComponents : (6) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12137599219Interchange Part Number : 12137599219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 6
Ignition Coils, Set of 8, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
DriveWire
Ignition Coils, Set of 8, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
Part Number: SET-REPB504613-8
Vehicle Info Required to Guarantee Fit
$132.99
Product Details
Notes : Rectangular Connector ShapeComponents : (8) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12137599219Interchange Part Number : 12137599219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 8
Ignition Coils, Set of 12, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
DriveWire
Ignition Coils, Set of 12, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
Part Number: SET-REPB504613-12
Vehicle Info Required to Guarantee Fit
$199.49
Product Details
Notes : Rectangular Connector ShapeComponents : (12) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12137599219Interchange Part Number : 12137599219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 12
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Triangular Connector Shape
DriveWire
Ignition Coil, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Triangular Connector Shape
Part Number: REPB504605
Vehicle Info Required to Guarantee Fit
$14.00
Product Details
Notes : Triangular Connector ShapeRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12131712219Interchange Part Number : UF522, 12131712219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individually
Ignition Coils, Set of 2, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Triangular Connector Shape
DriveWire
Ignition Coils, Set of 2, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Triangular Connector Shape
Part Number: SET-REPB504605-2
Vehicle Info Required to Guarantee Fit
$25.49
Product Details
Notes : Triangular Connector ShapeComponents : (2) Ignition CoilRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 12131712219Interchange Part Number : 12131712219Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Set of 2
Page 1 of 12 | Showing 1 - 15 of 167 results

Top Rated Products

DriveWire Ignition Coil, 6 Cyl., 2.5L/3.0L Engines, Rectangular Connector Shape
$17.49( Review)
Perfect fit and fixed the issue
Lori L.
VERIFIED PURCHASER
DriveWire Ignition Coils, Set of 4, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Black and Silver Coil
$65.49( Review)
Worked as good as the original. Easy install.
Mike M.
VERIFIED PURCHASER
DriveWire Ignition Coils, Set of 6, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines
$99.99( Review)
Work very well
Daljit T.
VERIFIED PURCHASER

Product Questions & Answers

DriveWire Ignition Coils, Set of 2, (6 Cyl., 2.2L/2.5L/3.0L/3.2L)/(8 Cyl., 4.4L/4.6L/4.8L)/12 Cyl., 6.0L Engines, Triangular Connector Shape
$25.49
Q:Do all the ignition coil fix 1-6 cylinder?
Bambino
A:BEST ANSWERHi Rajahd, I'm pleased to assist you. For this group of vehicles, yes, they would all be the same ignition coils for cylinders 1 to 6. Click on the link below to order at 82% off the regular price while supplies last. I hope this helps. Enjoy shopping at Carparts.com! https://www.carparts.com/ignition-coil/drivewire/set-repb504605-2?can=CPGG4850 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

P0354 Code: Ignition Coil “D” Primary/Secondary Circuit
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitThere are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems. Typically, code P0354 is set in a COP system. There are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems.
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)Diagnostic trouble code (DTC) stands for “Engine Misfire Detected on Startup (First 1000 Revolutions).” Basically, if one or more of the engine’s cylinders misfires during the engine’s first 1,000 revolutions, the PCM sets code P0316.
What Is A Coil Pack?
What Is A Coil Pack?A faulty coil pack has pretty similar symptoms to a failing spark plug including rough idle, unusually louder engine, a noticeable drop in RPMs when accelerating, and significant lack of power. You might also notice your check engine light blinking in extreme cases. Once the coil pack fails, engine misfiring can