/live/media/BS/BS_8186_FRO.JPG)
OE Quality
60-Day Returns
BoschPart #: 8186
Bosch 8186 Spark Plug
35 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.59Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Fine Wire Double Platinum
Fitment: Audi and BMW, 550i, 650i, 750i, 750Li, A4 Quattro, A5 Quattro, A6, Q5, S5, and X5
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Spark Plug options
Bosch 8186 Spark Plug
| Brand | Bosch |
|---|---|
| Part Number | 8186 |
| Position | OE Fine Wire Double Platinum |
| Resistance | 6000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | J-gap |
| Ground Electrode Core Material | Copper |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Platinum |
| Pre-Gap Size | 1 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | 19 |
| Insulator Material | Ceramic |
| Resistor Type | Yes |
| Ground Electrode Tip Material | Platinum |
| Hex Type | Hex |
| Center Electrode Design | Fine wire |
| 9746 | No |
| Automotive Item Weight (lbs) | 0.092594 lb |
| Insulator Type | Non-projected |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark plug |
| Package Quantity | 1 |
| Product Length | 3.047244 in |
| Product Width | 0.748031 in |
| Resistor | Yes |
| Short Style | No |
| Spark Plug Type | 4-cycle |
| Thread Diameter (Spark Plug) | 14 mm |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2012 | Audi | S5 | 3.0L | V6 | N/A | OE Fine Wire Double Platinum |
| 2011 | Audi | A6 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2011 | Audi | S5 | 3.0L | V6 | N/A | OE Fine Wire Double Platinum |
| 2010 | Audi | A5 Quattro | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2010 | Audi | Q5 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2010 | Audi | S5 | 3.0L | V6 | N/A | OE Fine Wire Double Platinum |
| 2010 | BMW | 550i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2010 | BMW | 650i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2010 | BMW | X5 | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2009 | Audi | A4 Quattro | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2009 | Audi | A5 Quattro | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2009 | Audi | A6 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2009 | Audi | Q5 | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2009 | BMW | 550i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2009 | BMW | 650i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2009 | BMW | X5 | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2008 | Audi | A5 Quattro | 3.2L | V6 | N/A | OE Fine Wire Double Platinum |
| 2008 | BMW | 550i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2008 | BMW | 650i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2008 | BMW | 750i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2008 | BMW | 750Li | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2008 | BMW | X5 | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2007 | BMW | 550i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2007 | BMW | 650i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2007 | BMW | 750i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2007 | BMW | 750Li | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2007 | BMW | X5 | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2006 | BMW | 550i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2006 | BMW | 650i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2006 | BMW | 750i | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2006 | BMW | 750Li | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
| 2006 | BMW | X5 | 4.8L | V8 | N/A | OE Fine Wire Double Platinum |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.