BMW Intake Carbon Cleaning (Walnut Blasting)

BMW Intake Carbon Cleaning

We’ve been performing intake carbon cleaning aka walnut blasting on every type of direct injected gasoline engine including both naturally aspirated and with forced induction

We have pioneered new methods to perform valve cleanings with better results than dealer level cleanings. We specialize in turbo applications and have extensive experience on BMW, Audi and Mercedes modern gasoline direct injected engines

Performance + Fuel Economy

Our customers have experienced as much as 7 psi of more boost simply from performing a valve cleaning with no other modifications or services done

There are countless benefits that come from performing your valve cleaning such as:
Better fuel economy
Higher boost pressures
Less turbo lag
Smoother idle

Financing

We offer financing on all repairs & modifications for any vehicle less than 10 years old, no credit checks required, instant approvals!

We offer financing on all of the products & services we provide.
There is no credit check required as the financing is based on the vehicle value & we offer many different financing options as well.

See for yourself!

See what our customers have to say!

Parts Plug Oshawa4.8

Based on 290 reviews

Jazz Bains

Gagan and Amar and there team are amazing. Honestly its the best place to bring your car for auto repair needs there knowledgeable, efficient and fair priced. I’ve never been to a shop where I’ve been more comfortable and knowing that I’m not going to get ripped off. From now on all of my cars are going here for any work needed. Thanks again !

Response from the owner:Always happy to help, glad we can take care of your cars!

Andrew Trinh

Had a great experience at Parts Plug. I reached out via email to inquire about walnut blasting intake carbon cleaning, they were quick to respond to all my questions, and book me in for an appointment. After they completed my intake carbon cleaning, I no longer experience misfires during cold starts or rough idling. I also noticed that the car is running overall a lot smoother now, and quicker throttle response. Intake carbon cleaning is pricey but for the amount of time it takes to complete I think the price is fair and worth it, felt like the car got a second life and runs like new. Highly recommend Parts Plug to anyone thinking about intake carbon cleaning!

Josiah

Great shop with honest, knowledgeable staff. Very trustworthy and always willing to help. Highly recommend

Prasad De Silva

Excellent fast service. Highly professional. Highly recommend

Josh Urdaneta

Sad that they have bots and fake profiles that lowers their rep. Outstanding people and customer service, very knowledgeable. I go here for the typical oil changes and inspections. Never had a problem.

Response from the owner:Thank you for your support Josh, glad we could help you!

Tunny Vandepol

Thanks to Amar and the team. Top shelf service and advice.

Response from the owner:Always happy to help! – Amar

Sutharsan Sriskandarajah

I've been bringing my cars here for the past few years, and the experience has consistently been top-notch. The customer service is excellent—friendly, professional, and attentive. The team is knowledgeable, helpful, and genuinely cares about getting you the right parts at a fair price. They’re incredibly thorough with their inspections and have always been able to accurately diagnose and resolve any issues. The only downside is that they’re getting busier as more people discover their outstanding service, but it’s a testament to how good they really are.

Cuneyt Kumluk

Great service and very friendly team. They did an oil change on my Mini and checked the brake light issue. It turned out to be a small thing to fix, and they only charged me for the part with no labour charge. I was honestly surprised and really appreciated it. Thanks again for the great service!

Response from the owner:Always happy to help! -N

Conner Windatt

Amazing customer service! Fast and solid, installed lower springs and couldn’t be happier with them!

Response from the owner:Thank you Conner!

Natalie Tsang

Highly recommended! Just changed the water pump and did a carbon cleaning on my Audi. This is the shop we always go to any type of auto service.

C hill

I've been having a very good experience with them. Very patient and knowledgeable .They Changed my 2012 Honda Civic SI clutch at a reasonable price.Definitely trying to do all my mechanical repairs with them Thanks parts plug 🙏

Response from the owner:Always happy to help!

Yuwen Wu

All the employees are very nice and very professional.

Jason Frost

Honestly, one of the best shops I’ve dealt with. You can tell they genuinely care about their customers and the work they do. They explained everything clearly, were honest about what I actually needed, and never tried to upsell me on things I didn’t need. Josiah was a huge help and is extremely knowledgeable when it comes to BMWs. Nick, the technician, was also very helpful, and both of them were super friendly and easy to deal with. After dealing with them myself, I can honestly see how the 1 star reviews about their customer service are fake. My experience was the complete opposite. Everyone was friendly, helpful, and easy to deal with. Pricing was also very fair, and I’d definitely recommend them to anyone looking for a trustworthy shop instead of going to the dealer.

Response from the owner:Appreciate the kind words Jason, thanks for your vote of confidence and i'm glad we were able to help you out! See you next time -A

Rob G

I made a two hour drive each way to pick up Ethanol for my race car from these guys. Great experience all around. Cheapest price in Canada. Very professional, extremely kind. I'd absolutely recommend them. A++

Feroz Awan

I was amazed at the honesty and professionalism of this Auto shop. I went thinking I’ll need several hundred dollars of repairs but it was something really minute and they fixed it without charging a single cent and in a jiffy after their working hours were over!! I’d recommend this place to anyone. Great work guys!!

Response from the owner:Happy to help Feroz, have a safe drive back to Virginia!

dante cuadrossegovia

Service is excellent, inspection is thorough, service is delivered promptly and pricing is reasonable. Also, their staff is gentle, friendly and patient with customers with no technical knowledge. My wife is a bit skittish when visiting mechanics in general, I advised her to take her car to Parts plugs due to engine light on, she did it today and loved the attention, she is changing mechanic moving forward!

Response from the owner:Always happy to help Dante!

Kellie Gallagher

I’m always so happy with all the guys that work here. Service is top notch. Honest group of men. Highly recommend

Response from the owner:Always happy to help Kellie!

Tmhlc94

Brought my truck in to change the exhaust so i could get a deeper sound and a little louder . Amar listened to what i wanted and ordered what was needed . Part took a little longer but no worries they were prompt in keeping me informed . Sounds amazing and the decimal level comes in a little louder . I could not be happier . Amazing service very polite from all employees that i interacted with , i actually felt like they cared about what i wanted. Also as i was leaving i was told to see if its the sound im looking for as they could make it louder . These guys a great. Highly recommend. Been back for headlight and taillight install . Again they did a fantastic job

Response from the owner:Thank you Lorne i'm glad you're liking the exhaust! – Amar

Jescey

Great guys and super flexible, was able to get me in quick and got my issue fixed , gone back several times already and will go again

Abishai Din

The team at partsplug has always been great to work with. They are transparent about the work that needs to done and associated costs. I’ve never had any issues regarding communication. They helped me pick the best option to suit my situation. Best performance and maintenance shop in Durham without a doubt.

Response from the owner:Glad we could help you out with the A3 and looking forward to that S5 Abishai!

Chandan Bakshi

Best place for parts, maintenance and mods. They know what they are doing and are honest. Great communication and even better prices. Best all around shop in Durham.

Christian M

Josiah and the team define customer service in the auto industry.

Response from the owner:Always happy to help! – J

Sayed Arif Samim

I was chatting with them via Marketplace. Eventually, I came in for my first oil change service, and my next appointment is this coming Friday. I was extremely happy with the experience—despite being busy and me not having an appointment, they still checked the suspension and changed the oil. Excellent customer service!

Nirojan Bala

Always a great experience with the team here! They are honest and efficient. I trust them and would recommend them whole heartedly!

Response from the owner:Thank you for your trust Nirojan!

Lee Robb

Just had a small part install on my car and I’m definitely happy with was done. Guys are knowledgeable and I’ll definitely be back to get more work done on my car.

Send us a message or view our full contact info here

Why Get Your BMW Valves Cleaned?

Every direct-injection BMW petrol engine, including the N54, N55, N20 and N26, sprays fuel straight into the cylinder. The intake valves are never washed by fuel, so oil vapour from the crankcase ventilation system bakes onto them as carbon. Over time the deposits restrict airflow and disturb how the air enters the cylinder.

Signs Your BMW Needs a Cleaning

A rough or shaky idle, especially on a cold start
Misfire codes or a flashing check-engine light
Hesitation and lost power, most noticeable on turbocharged N54 and N55 engines
Rising fuel use with no other explanation

How We Clean BMW Valves

We remove the intake manifold, turn the engine so each cylinder’s valves are closed, and blast the ports with crushed walnut shell, which removes carbon without harming the metal. The debris is vacuumed out, every port is inspected, and the intake goes back together with new gaskets where needed.

How Often

BMW does not list carbon cleaning in its maintenance schedule. It is commonly done somewhere around every 80,000 to 100,000 km, sooner on tuned cars or when the symptoms above appear. It pairs well with spark plugs and ignition coils, since the engine is already partly apart.

More on the process on our main walnut blasting page, or see BMW repair and maintenance.

Expert Knowledge And Expansive Selection, Only At Parts Plug

At Parts Plug we have years of combined motorsport and dealership experience, this means we know firsthand what our customers expect and have made it our mission to offer unrivalled quality, value and customer service. All the parts we use are either OEM from the dealer or a high quality aftermarket alternative, the choice always rests with the customer and we stand behind our work which is why we offer one of the best warranties available with 1 year coverage on parts and labour.