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#4542562 - 10/13/17 08:08 PM BG Engine Assurance: Someone talk me out of this
d00df00d Online   content


Registered: 10/20/05
Posts: 11213
Loc: PA
I'm skeptical of this, but wanted to hear other opinions.

https://www.bgprod.com/programs/engine-assurance/

Cliff's:
- Get your first BG oil change (includes some kind of flush/additives/whatever) before 80k miles
- Repeat every 10k miles at most
- If the engine EVER fails, they contribute up to $3,000 to the repair. Unlimited time, unlimited miles.

$3,000 covers most of the cost of a full engine replacement with a Mazda reman.

I'm at 75k miles now, with 2 years and 25k miles left on the original Mazda engine warranty. There's a Mazda dealership near me that does these services, and they confirmed that there'd be no implications for the Mazda warranty if I have the work done there, as long as I stick to Mazda-recommended OCIs.

So, why not get this done every 7,500 miles (max OCI per Mazda) for the remainder of the Mazda warranty, and then every 10,000 miles afterward?

Extended OCIs with potential snake oil sounds like a bad idea, especially for a rotary engine, right?

But, assuming I've done the math correctly... with $3k of engine coverage, factoring in the more expensive but less frequent oil changes, it'd basically have to cut my engine's lifespan by two-thirds or more to not be worth it. I can't imagine it being THAT bad.

What am I missing?
_________________________
2011 Mazda RX-8 R3
Mobil Super 5w-20

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#4542563 - 10/13/17 08:11 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1663
Loc: Crawfordville FL
It's not necessary. They just want to get you in the door
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4542564 - 10/13/17 08:11 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
PimTac Online   content


Registered: 03/04/17
Posts: 4322
Loc: Soviet State of Washington
They do this service at a Mazda dealership? I would suspect this guy gets a commission on every sale.

Why would you want to put some unknown stuff in your rotary engine?

I'm in the NO camp. Just use good oil.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4542566 - 10/13/17 08:12 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
KevinP Offline


Registered: 05/27/13
Posts: 125
Loc: Monroe, WA
Ok.... don't do it. Stop.. don't waste your money. Follow the recommendations of your manufacturer.

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#4542567 - 10/13/17 08:13 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
slacktide_bitog Online   content


Registered: 03/20/08
Posts: 6176
Loc: USA
Almost everything BG offers is worthless overpriced garbage. Just use any SN oil smile

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#4542569 - 10/13/17 08:15 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
d00df00d Online   content


Registered: 10/20/05
Posts: 11213
Loc: PA
Guys, if the only reason to be repelled by this is that it seems weird, I have that covered. More nonspecific expressions of disgust don't help me. Nor do knee-jerk reactions based on skimming my post rather than reading it in full.

Where's the hole in the logic I laid out?
_________________________
2011 Mazda RX-8 R3
Mobil Super 5w-20

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#4542573 - 10/13/17 08:16 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
SatinSilver Offline


Registered: 01/24/08
Posts: 10178
Loc: OH
What's the catch? A $100 oil change.

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#4542576 - 10/13/17 08:19 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
PimTac Online   content


Registered: 03/04/17
Posts: 4322
Loc: Soviet State of Washington
Originally Posted By: d00df00d
Guys, I'm perfectly capable of being repelled by this just because it seems weird. More nonspecific expressions of disgust don't help me. Where's the hole in the logic I laid out?




You are assuming your engine will fail so you can then get $3000 towards the cost of a reman. How many engines fail due to lubrication ?

Go ahead and do it.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4542578 - 10/13/17 08:20 PM Re: BG Engine Assurance: Someone talk me out of this [Re: SatinSilver]
d00df00d Online   content


Registered: 10/20/05
Posts: 11213
Loc: PA
Originally Posted By: SatinSilver
What's the catch? A $100 oil change.

Which will get done half as often. And the top-off oil I'd use would be cheaper.

Either way, as I said, I already factored that in.
_________________________
2011 Mazda RX-8 R3
Mobil Super 5w-20

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#4542579 - 10/13/17 08:20 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
simple_gifts Offline


Registered: 07/26/04
Posts: 11948
Loc: Middlesex County CT
What is the back story on a 100K engine warranty; I thought I read there were a lot of renesis failures; at one time i thought I read it was 25-30% Perhaps this is a mitigation strategy suggested by Mazda. Certainly worth some research on rx forums. Might be worth it.



Edited by simple_gifts (10/13/17 08:21 PM)
_________________________
2004 Prius; 92K ML Syn 5W-30
2007 Yaris 68K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise

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#4542586 - 10/13/17 08:25 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Originally Posted By: d00df00d
I'm skeptical of this, but wanted to hear other opinions.



What am I missing?


Nothing, your logic towards you being skeptical is right on.

I don't think the ROI is on the positive side.

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#4542592 - 10/13/17 08:29 PM Re: BG Engine Assurance: Someone talk me out of this [Re: PimTac]
d00df00d Online   content


Registered: 10/20/05
Posts: 11213
Loc: PA
Originally Posted By: PimTac
You are assuming your engine will fail so you can then get $3000 towards the cost of a reman. How many engines fail due to lubrication ?

Go ahead and do it.

I can tell you're not familiar with RX-8s. wink

Assuming I drive 15k miles per year, this service every 10k will cost me about $85 more per year than DIY oil changes every 5k with spec oil. 3000 / 85 = 35 (roughly). So, as long as the engine fails within 35 years or 525k miles, I'll get back more than the extra I'll have spent. Probably safe to say an RX-8 engine will fail at least once within that interval.
_________________________
2011 Mazda RX-8 R3
Mobil Super 5w-20

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#4542595 - 10/13/17 08:30 PM Re: BG Engine Assurance: Someone talk me out of this [Re: SilverFusion2010]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2759
Loc: Wet side WA
Originally Posted By: SilverFusion2010
It's not necessary. They just want to get you in the door


This!
_________________________
2004 Toyota Corolla 121758
Out: QSUD 5W-30 Purolator One 5030
In: Valvoline ML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74047
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73752 4-22-18

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#4542596 - 10/13/17 08:32 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
BrocLuno Offline


Registered: 09/06/15
Posts: 5521
Loc: Kalifornia Kollective
I use some BG products and they work well. What's the beef against BG ... Do BG haters not use MMO too ... Or Kreen ...

Your engine will likely last a long time either way. If you think you'll still have it when it expires, go for it smile
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4542600 - 10/13/17 08:35 PM Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d]
anndel Offline


Registered: 05/28/09
Posts: 245
Loc: Hawaii, USA
It's like that Krex [censored] Toyota dealers use.

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