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BG Engine Assurance: Someone talk me out of this #4542562
10/13/17 08:08 PM
10/13/17 08:08 PM
Joined: Oct 2005
Posts: 11,364
PA
d00df00d Offline OP
d00df00d  Offline OP
Joined: Oct 2005
Posts: 11,364
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
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542563
10/13/17 08:11 PM
10/13/17 08:11 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,755
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
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542564
10/13/17 08:11 PM
10/13/17 08:11 PM
Joined: Mar 2017
Posts: 5,449
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,449
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

Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542566
10/13/17 08:12 PM
10/13/17 08:12 PM
Joined: May 2013
Posts: 139
Monroe, WA
KevinP Offline
KevinP  Offline
Joined: May 2013
Posts: 139
Monroe, WA
Ok.... don't do it. Stop.. don't waste your money. Follow the recommendations of your manufacturer.

Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542567
10/13/17 08:13 PM
10/13/17 08:13 PM
Joined: Mar 2008
Posts: 6,818
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 6,818
USA
Almost everything BG offers is worthless overpriced garbage. Just use any SN oil smile

Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542569
10/13/17 08:15 PM
10/13/17 08:15 PM
Joined: Oct 2005
Posts: 11,364
PA
d00df00d Offline OP
d00df00d  Offline OP
Joined: Oct 2005
Posts: 11,364
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
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542573
10/13/17 08:16 PM
10/13/17 08:16 PM
Joined: Jan 2008
Posts: 10,680
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,680
OH
What's the catch? A $100 oil change.

Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542576
10/13/17 08:19 PM
10/13/17 08:19 PM
Joined: Mar 2017
Posts: 5,449
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,449
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

Re: BG Engine Assurance: Someone talk me out of this [Re: SatinSilver] #4542578
10/13/17 08:20 PM
10/13/17 08:20 PM
Joined: Oct 2005
Posts: 11,364
PA
d00df00d Offline OP
d00df00d  Offline OP
Joined: Oct 2005
Posts: 11,364
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
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542579
10/13/17 08:20 PM
10/13/17 08:20 PM
Joined: Jul 2004
Posts: 12,028
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline
Joined: Jul 2004
Posts: 12,028
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.


Last edited by simple_gifts; 10/13/17 08:21 PM.

2004 Prius; 97K ML Syn 5W-30
2007 Yaris 71K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542586
10/13/17 08:25 PM
10/13/17 08:25 PM
Joined: Jun 2002
Posts: 19,235
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,235
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.


Reading is fundamental; understanding is not a given ability.
Re: BG Engine Assurance: Someone talk me out of this [Re: PimTac] #4542592
10/13/17 08:29 PM
10/13/17 08:29 PM
Joined: Oct 2005
Posts: 11,364
PA
d00df00d Offline OP
d00df00d  Offline OP
Joined: Oct 2005
Posts: 11,364
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
Re: BG Engine Assurance: Someone talk me out of this [Re: SilverFusion2010] #4542595
10/13/17 08:30 PM
10/13/17 08:30 PM
Joined: Oct 2009
Posts: 3,220
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,220
Wet side WA
Originally Posted By: SilverFusion2010
It's not necessary. They just want to get you in the door


This!


2004 Corolla 124805
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542596
10/13/17 08:32 PM
10/13/17 08:32 PM
Joined: Sep 2015
Posts: 5,858
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,858
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.
Re: BG Engine Assurance: Someone talk me out of this [Re: d00df00d] #4542600
10/13/17 08:35 PM
10/13/17 08:35 PM
Joined: May 2009
Posts: 246
Hawaii, USA
anndel Offline
anndel  Offline
Joined: May 2009
Posts: 246
Hawaii, USA
It's like that Krex [censored] Toyota dealers use.

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