So I've searched the forum as well as briskusa website and I'm still unable to find which brisk plug will fit my 2008 535i. If any one can guide me in the direction of where I can find out that would be great. Also if anyone has tried brisk plugs with the N54 engine.

 

Have you tried calling them, a lot of websites are not model specific so a simple phone is all that is needed. On another note why not just buy plugs from your local auto supply because paying more for a name will not get you any noticeable (seat of the pants) hp increase. Just gap your plugs for complete and efficient combustion and burn.

Please do not take my reply in a negative manner, ok?

 

I'd stick with Bosch or NGK plugs. I've not read a single thread about any performance enhancements coming from just changing the spark plug brand.

 

Those are my two preferred brand of plugs always have been and they are available every where. Having them gapped properly is the most important aspect.


JOel07 let us know what you find out or decide to go with and best of luck.

 

I never heard of these plugs, but certain plugs do make a difference on boosted cars - a while back we were tuning a rotary rx-7 running a Haltech without an ignition amp. The guy was running all 9's plugs for leading/trailing and was getting lots of break up pass 12psi and only putting down 285-290/hp.
So the owner was disappointed that the car couldn't be tuned for higher boost and pass the 300 hp goals he was hoping for.

I had a set of HKS (rebranded Denso) 10.5 leading / 11 trailing plugs and offer to let him use them to see if it can clear up his ignition problem. Swapped out plugs, threw it back on the dyno, and was able to tune @ 15psi putting down 330-340ish. All of that just from a different set of plugs in a colder heat range.

So JOel07 - keep us posted if you get a chance to test these out on your car.

 

Great information. I think the issue is that basically none of us have heard of these plugs simply because of breaking into an already very competitive market.

On another note (and I am by no means trying to be argumentative) the RX7 is rotary and very picky (selective) about not only plugs and their gap but the octane of the fuel, I'm just enjoying this conversation because we all learn something. Also that RX7 was running a aftermarket and not stock EMS/ECU so that could also weigh into this. I had a '92 MR2T with a fully built engine, external WG, T66 turbo etc etc but was still using the stock ECU and I had to play around with plug gapping which was a "hit or miss" but it was fun.

Having said all that I still believe that Bosch or NGK plugs when properly gapped can provide sufficient and complete spark and combustion.


Crap I need a nap now!

 

I always thought gapping plugs was something of the past.... Is that always a necessary step?

 

It should be but they are manufactured on an assembly line. As well not all engines are the same nor do they run the same octane fuel and gapping them is so easy and fast it cannot hurt. I performed an experiment years ago when buying plugs specific for a specific vehicle and the difference between just four plugs was atrocious. Be no means am I an expert but little things can be huge when it comes to performance and even gas mileage.


Just food for thought.

 

I have torque masters in my 05 545i, which are similar to the premium brisk, and I have noticeable smoother power thru all rpms....put a set of torque masters in a friends 08 535i, different size than in my car, and he loves them....says same thing...smoother power thru all rpms

 

I believe most of the platinum/iridium plugs are pre-gapped.
NGK Spark Plugs USA
a warning not to touch the hot electrode - messing that up = bad news bears.