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Replacement and OEM Parts for BMW 525i Spark Plug
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BMW 525i Spark Plug

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Spark Plugs & Wires
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31 Products found

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  • OEM BMW 525i Spark Plugs (UP TO 12/09) Diagram - 12-12-2-158-253
    View Related Parts

    OEM (Genuine) BMW 525i Spark Plugs (UP TO 12/09)

    PartNumber: 12-12-2-158-253
    OEM BMW 525i Spark Plugs (UP TO 12/09) - 12-12-2-158-253
    Product Specifications
    • Other Names: Spark Plug
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12-12-0-032-138, 12-12-0-032-137, 12-12-0-035-915
    • Product Grade: Performance Parts
    • Part Description: BMW 525i Spark Plugs (UP TO 12/09)
    More Info
    $18.76 MSRP: $29.56
    You Save: $10.80 (37%)
  • Denso Iridium TT™ Spark Plug for BMW 525i - 4704

    Denso® Iridium TT™ Spark Plug for BMW 525i

    PartNumber: 4704
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047044
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Iridium TT™ Spark Plug
    More Info
    $7.25
  • OEM BMW 525i Spark Plugs Diagram - 12-12-0-037-607
    View Related Parts

    OEM (Genuine) BMW 525i Spark Plugs

    PartNumber: 12-12-0-037-607
    OEM BMW 525i Spark Plugs - 12-12-0-037-607
    Product Specifications
    • Other Names: Spark Plug
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12-12-0-141-871
    • Product Grade: Performance Parts
    • Part Description: BMW 525i Spark Plugs
    More Info
    $16.88 MSRP: $26.60
    You Save: $9.72 (37%)
  • Denso Iridium Long-Life Spark Plug for BMW 525i - 3421

    Denso® Iridium Long-Life Spark Plug for BMW 525i

    PartNumber: 3421
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 16.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511034211
    • Part Description: BMW 525i Iridium Long-Life Spark Plug
    More Info
    $7.28
  • Denso Iridium Power™ Spark Plug for BMW 525i - 5344

    Denso® Iridium Power™ Spark Plug for BMW 525i

    PartNumber: 5344
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053441
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Iridium Power™ Spark Plug
    More Info
    $6.61
  • Denso Iridium TT™ Cold Type Spark Plug for BMW 525i - 4702

    Denso® Iridium TT™ Cold Type Spark Plug for BMW 525i

    PartNumber: 4702
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin -Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 19 mm (3/4")
    • Resistance: 5000 Ohms
    • Seat Type: Gasket
    • Spark Plug Reach: 19 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047020
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Iridium TT™ Cold Type Spark Plug
    More Info
    $6.61
  • Denso Iridium TT™ Spark Plug for BMW 525i - 4708

    Denso® Iridium TT™ Spark Plug for BMW 525i

    PartNumber: 4708
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047082
    • Part Description: BMW 525i Iridium TT™ Spark Plug
    More Info
    $6.48
  • Denso Double Platinum Spark Plug for BMW 525i - 3004

    Denso® Double Platinum Spark Plug for BMW 525i

    PartNumber: 3004
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 0.748"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511030046
    • Part Description: BMW 525i Double Platinum Spark Plug
    More Info
    $5.64
  • Denso Iridium Power™ Cold Type Spark Plug for BMW 525i - 5304

    Denso® Iridium Power™ Cold Type Spark Plug for BMW 525i

    PartNumber: 5304
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053045
    • Part Description: BMW 525i Iridium Power™ Cold Type Spark Plug
    More Info
    $5.96
  • Denso Iridium Power™ Spark Plug for BMW 525i - 5305

    Denso® Iridium Power™ Spark Plug for BMW 525i

    PartNumber: 5305
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Removable Nut
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053052
    • Part Description: BMW 525i Iridium Power™ Spark Plug
    More Info
    $5.84
  • Denso Platinum TT™ Spark Plug for BMW 525i - 4506

    Denso® Platinum TT™ Spark Plug for BMW 525i

    PartNumber: 4506
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045064
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Platinum TT™ Spark Plug
    More Info
    $5.12
  • Denso Original U-Groove Nickel Spark Plug for BMW 525i - 3381

    Denso® Original U-Groove Nickel Spark Plug for BMW 525i

    PartNumber: 3381
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 1.1 mm
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 20
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 14 mm
    • Thread Reach: 26.5 mm
    • UPC: 042511033818
    • Part Description: BMW 525i Original U-Groove Nickel Spark Plug
    More Info
    $4.37
  • Denso Platinum TT™ Spark Plug for BMW 525i - 4501

    Denso® Platinum TT™ Spark Plug for BMW 525i

    PartNumber: 4501
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 19 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045019
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Platinum TT™ Spark Plug
    More Info
    $3.26
  • Denso Platinum TT™ Spark Plug for BMW 525i - 4504

    Denso® Platinum TT™ Spark Plug for BMW 525i

    PartNumber: 4504
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Quantity: 1 Piece
    • Seat Type: Gasket
    • Spark Plug Reach: 19 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045040
    • Wrench Diameter: 16 mm
    • Part Description: BMW 525i Platinum TT™ Spark Plug
    More Info
    $3.32
  • Denso Original U-Groove Nickel Spark Plug for BMW 525i - 3031

    Denso® Original U-Groove Nickel Spark Plug for BMW 525i

    PartNumber: 3031
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.032"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 4/5"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 0.551"
    • Thread Reach: 0.748"
    • UPC: 042511030312
    • Part Description: BMW 525i Original U-Groove Nickel Spark Plug
    More Info
    $1.72
  • Denso Original U-Groove Nickel Spark Plug for BMW 525i - 5063

    Denso® Original U-Groove Nickel Spark Plug for BMW 525i

    PartNumber: 5063
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.040"
    • Ground Configuration: Multi-Electrode
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 2
    • Ground Electrode Tip Design: Multi-Electrode
    • Heat Range: 20
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 0.551"
    • Thread Reach: 0.748"
    • UPC: 042511050631
    • Part Description: BMW 525i Original U-Groove Nickel Spark Plug
    More Info
  • OEM BMW 525i Spark Plug, High Power Diagram - 12-12-9-071-003
    View Related Parts

    OEM (Genuine) BMW 525i Spark Plug, High Power

    PartNumber: 12-12-9-071-003
    OEM BMW 525i Spark Plug, High Power - 12-12-9-071-003
    Product Specifications
    • Other Names: Spark Plug
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12-12-0-030-548
    • Part Description: BMW 525i Spark Plug, High Power
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IK20

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IK20
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511053045
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IK20TT

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IK20TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511047020
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IKH20

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IKH20
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511053441
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IKH20TT

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IKH20TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511047044
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IW16

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IW16
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.044
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511053052
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Iridium Tt™ Spark Plug for BMW 525i - IW16TT

    Denso® Iridium Tt™ Spark Plug for BMW 525i

    PartNumber: IW16TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511047082
    • Part Description: BMW 525i Iridium Tt™ Spark Plug
    More Info
  • Denso Original U-Groove™ Spark Plug for BMW 525i - K20HR-U11

    Denso® Original U-Groove™ Spark Plug for BMW 525i

    PartNumber: K20HR-U11
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511033818
    • Part Description: BMW 525i Original U-Groove™ Spark Plug
    More Info
  • Denso Original U-Groove™ Spark Plug for BMW 525i - K20TXR

    Denso® Original U-Groove™ Spark Plug for BMW 525i

    PartNumber: K20TXR
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Multi-Electrode
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 2
    • Ground Electrode Tip Design: Multi-Electrode
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511050631
    • Part Description: BMW 525i Original U-Groove™ Spark Plug
    More Info
  • Denso Double Platinum™ Spark Plug for BMW 525i - P16R

    Denso® Double Platinum™ Spark Plug for BMW 525i

    PartNumber: P16R
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.044
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511030046
    • Part Description: BMW 525i Double Platinum™ Spark Plug
    More Info
  • Denso Platinum Tt™ Spark Plug for BMW 525i - PK20TT

    Denso® Platinum Tt™ Spark Plug for BMW 525i

    PartNumber: PK20TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511045040
    • Part Description: BMW 525i Platinum Tt™ Spark Plug
    More Info
  • Denso Platinum Tt™ Spark Plug for BMW 525i - PKH20TT

    Denso® Platinum Tt™ Spark Plug for BMW 525i

    PartNumber: PKH20TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511045064
    • Part Description: BMW 525i Platinum Tt™ Spark Plug
    More Info
  • Denso Platinum Tt™ Spark Plug for BMW 525i - PW16TT

    Denso® Platinum Tt™ Spark Plug for BMW 525i

    PartNumber: PW16TT
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511045019
    • Part Description: BMW 525i Platinum Tt™ Spark Plug
    More Info
  • Denso Iridium Long-Life™ Spark Plug for BMW 525i - SK20HR11

    Denso® Iridium Long-Life™ Spark Plug for BMW 525i

    PartNumber: SK20HR11
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium-Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511034211
    • Part Description: BMW 525i Iridium Long-Life™ Spark Plug
    More Info
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