Spark plug Bosch or OEM BMW

vs

PartReview Score

61

Rank #3 in ranking

198

145

40

79

264

3.3

Acceleration

3.0

Idle

3.2

Starting

3.0

Owners' choice:

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

68

Rank #14 in ranking

18

9

3

3

15

3.6

Acceleration

4.3

Idle

3.8

Starting

3.0

No data

Reviews

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Bosch

OEM BMW

Bosch › Spark plug

TheLastCarBender 16 Jan 2022, 11:27

Starting:

Rating 5.0

at 100k km, I replaced (all Bosch) Plugs , Coils, starter, battery, voltage regulator (40).

Pros: replaced plugs, coils

Vehicle: Porsche

Mileage: 100000 km

Bosch › Spark plug

biodeez 13 Dec 2021, 16:14

Starting:

Rating 4.0

So new Bosch plugs and red-top coils seemed worth the $109. Old spark plugs were pretty crusty, which made me feel better about doing it.

Pros: worth the money

Cons: old plugs were crusty

Vehicle: Volkswagen Jetta

Mileage: 42000 km

Bosch › Spark plug

Budpalumbo 30 Nov 2021, 13:07

Starting:

Rating 5.0

FWIW, if you don't have Bosch, BERU, Bremi, or NGK plugs/coils and have store brand stuff, I stop diagnostic work until you get OE grade stuff put in there. BMW's don't like the Zone/ebay for ignition parts in my experience.

Pros: OE grade stuff

Cons: store brand stuff

Vehicle: BMW

Bosch › Spark plug

donorak7 31 Oct 2021, 04:41

Rating 5.0

Yeah can go wrong with acdelco. I run Bosch in my 93 4.3

Vehicle: Chevrolet

Bosch › Spark plug

showsomesideboob 4 Sep 2021, 02:16

Rating 5.0

I've run Bosch iridium's in all my vehicles (boosted and daily). No gapping needed.

Pros: no gapping needed

Part number: 9756

Bosch › Spark plug

Stormgrey93 1 Jun 2010, 20:54

Acceleration:

Rating 3.0

I am getting better MPG,but It seems a little lacking in the power dept. compared to the autolite copper I had in?!Especially as far as low end torque.

Pros: better MPG

Cons: lacking power, low end torque

Bosch › Spark plug

dumpedmk3 23 Mar 2010, 05:49

Rating 3.0

But otherwise, Bosch FLR8LDCU+.

Vehicle: Volkswagen Jetta

Part number: FLR8LDCU+

Bosch › Spark plug

carpocalypse 16 Aug 2017, 01:55

Rating 1.0

I did not have good experiences with Bosch on another vehicle.

Cons: bad experiences

Bosch › Spark plug

wh0ligan 22 Feb 2016, 00:32

Idle:
Acceleration:

Rating 1.0

I have solved so many drivability problems taking Bosch plugs out of misfiring engines.

Cons: drivability problems, misfiring engines

Bosch › Spark plug

blazefalcon 7 Jul 2015, 07:11

Starting:

Rating 1.0

In my experience, Bosch spark plugs are always terrible; fouling out within a month, that kind of thing...

Cons: fouling out within month

Vehicle: Mazda

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