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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Dec-04-2018, 04:08:32 PM   #21
HassanEido
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Default Re: Injector cleaning

Had this done 70k miles ago. One of the best things I did. Felt like I had nitrous bolted on lol. Need to do this again soonish
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Old Tue, Dec-04-2018, 04:28:26 PM   #22
PenguinScotty
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Default Re: Injector cleaning

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Originally Posted by bimmerfan08 View Post
It's safe to assume the O-rings get replaced too yes?
Yeah, shops like Mr. Injector or Witch Hunter Performance not only clean and flow-test the injectors, but also clean the exterior and replace the seals.

Personally haven't done it yet, but probably should considering both my cars are over 175k miles at this stage...
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Old Tue, Dec-04-2018, 04:59:13 PM   #23
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Default Re: Injector cleaning

Thereís a guy local to me that charges $14 per injector. I havenít used him yet.

If thereís interest I can direct him to this forum.


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Old Tue, Dec-04-2018, 08:07:21 PM   #24
icecream
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Default Re: Injector cleaning

Quote:
Originally Posted by HassanEido View Post
Had this done 70k miles ago. One of the best things I did. Felt like I had nitrous bolted on lol. Need to do this again soonish
My injectors have 195k on them, never done to my knowledge. Had one fail 2 weeks ago, think I'll replace them all, camt wake to see if there is a difference.
Side note, none of my injectors had pintle caps when I removed them.
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Discussing Injector cleaning in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)