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Description
Cap Expansion Tank for BMW 3, 3 Compact & 5 - 400043Vehicle Fitment & Part Details The Cap Expansion Tank is listed for the BMW 3 (1982 1992). Pressure: 1. 4 Bar. Confirm compatibility by matching the listed fitment details. Verify VIN engine. Key Details SKU 400043 Component Cap Expansion Tank Specs Pressure: 1. 4 Bar Primary Fitment BMW 3 (1982 1992) Listing Highlights Listed for selected BMW applications shown in the fitment table. Pressure: 1. 4 Bar. Vehicle Fitment Includes 56 supplied
Vehicle Fitment & Part Details
The Cap Expansion Tank is listed for the BMW 3 (1982-1992). Pressure: 1.4 Bar. Confirm compatibility by matching the listed fitment details. Verify VIN/engine.
Key Details
- SKU
- 400043
- Component
- Cap Expansion Tank
- Specs
- Pressure: 1.4 Bar
- Primary Fitment
- BMW 3 (1982-1992)
Listing Highlights
- Listed for selected BMW applications shown in the fitment table.
- Pressure: 1.4 Bar.
Vehicle Fitment
Includes 56 supplied applications covering BMW. Use the full table below to confirm model, chassis, year range, engine and power before ordering.
View Full Vehicle Fitment (56 applications)
| Make | Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|---|
| BMW | 3 | E30 | 1982-1992 | 318 i M40 B18 184E1 | 83 kW / 113 HP |
| BMW | 3 | E30 | 1982-1992 | 318 i M40 B18 184E1 | 85 kW / 115 HP |
| BMW | 3 | E30 | 1982-1992 | 320 i M20 B20 206EB | 92 kW / 125 HP |
| BMW | 3 | E30 | 1982-1992 | 320 i M20 B20 206KA | 95 kW / 129 HP |
| BMW | 3 | E30 | 1982-1992 | 325 i M20 B25 256E1; M20 B25 256E2 | 126 kW / 171 HP |
| BMW | 3 | E30 | 1982-1992 | 325 i M20 B25 256E1; M20 B25 256E2; M20 B25 256EX; M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 3 | E30 | 1982-1992 | 325 i X M20 B25 256E1; M20 B25 256E2; M20 B25 256EX; M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 3 | E30 | 1982-1992 | 325 i X M20 B25 256E1; M20 B25 256E2; M20 B25 256EX; M20 B25 256K1 | 126 kW / 171 HP |
| BMW | 3 | E36 | 1990-1998 | 316 i M40 B16 164E1 | 73 kW / 100 HP |
| BMW | 3 | E36 | 1990-1998 | 318 i M40 B18 184E1 | 83 kW / 113 HP |
| BMW | 3 | E36 | 1990-1998 | 318 tds M41 D17 174T1 | 66 kW / 90 HP |
| BMW | 3 | E36 | 1990-1998 | 325 td M51 D25 256T1 | 85 kW / 115 HP |
| BMW | 3 | E36 | 1990-1998 | 325 tds M51 D25 256T1 | 105 kW / 143 HP |
| BMW | 3 | E46 | 1997-2005 | 320 d M47 D20 204D1 | 100 kW / 136 HP |
| BMW | 3 | E46 | 1997-2005 | 320 d M47 D20 204D4 | 110 kW / 150 HP |
| BMW | 3 | E46 | 1997-2005 | 330 d M57 D30 306D1 | 135 kW / 184 HP |
| BMW | 3 | E46 | 1997-2005 | 330 d M57 D30 306D2 | 150 kW / 204 HP |
| BMW | 3 Compact | E36 | 1994-2000 | 318 tds M41 D17 174T1 | 66 kW / 90 HP |
| BMW | 3 Convertible | E30 | 1982-1993 | 318 i M40 B18 184E1 | 83 kW / 113 HP |
| BMW | 3 Convertible | E30 | 1982-1993 | 320 i M20 B20 206KA | 95 kW / 129 HP |
| BMW | 3 Convertible | E30 | 1982-1993 | 325 i M20 B25 256E1; M20 B25 256E2 | 126 kW / 171 HP |
| BMW | 3 Convertible | E30 | 1982-1993 | 325 i M20 B25 256E2; M20 B25 256EX; M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 316 i M40 B16 164E1 | 73 kW / 100 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 318 i M40 B18 184E1 | 83 kW / 113 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 318 i M40 B18 184E1 | 85 kW / 115 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 320 i M20 B20 206KA | 95 kW / 129 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 325 i M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 3 Touring | E30 | 1987-1994 | 325 i X M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 3 Touring | E36 | 1995-1999 | 318 tds M41 D17 174T1 | 66 kW / 90 HP |
| BMW | 3 Touring | E36 | 1995-1999 | 325 tds M51 D25 256T1 | 105 kW / 143 HP |
| BMW | 3 Touring | E46 | 1999-2005 | 320 d M47 D20 204D1 | 100 kW / 136 HP |
| BMW | 3 Touring | E46 | 1999-2005 | 320 d M47 D20 204D4 | 110 kW / 150 HP |
| BMW | 3 Touring | E46 | 1999-2005 | 330 d M57 D30 306D1 | 135 kW / 184 HP |
| BMW | 3 Touring | E46 | 1999-2005 | 330 d M57 D30 306D2 | 150 kW / 204 HP |
| BMW | 5 | E34 | 1987-1995 | 518 i M40 B18 184E1 | 83 kW / 113 HP |
| BMW | 5 | E34 | 1987-1995 | 520 i M20 B20 206KA | 95 kW / 129 HP |
| BMW | 5 | E34 | 1987-1995 | 525 i M20 B25 256K1 | 125 kW / 170 HP |
| BMW | 5 | E39 | 1995-2003 | 525 d M57 D25 256D1 | 120 kW / 163 HP |
| BMW | 5 | E39 | 1995-2003 | 530 d M57 D30 306D1 | 142 kW / 193 HP |
| BMW | 5 | E60 | 2001-2010 | 520 d N47 D20 A; N47 D20 C | 130 kW / 177 HP |
| BMW | 5 | E60 | 2001-2010 | 530 d M57 D30 306D2 | 160 kW / 218 HP |
| BMW | 5 | E60 | 2001-2010 | 530 d M57 D30 306D2; M57 D30 306D3 | 155 kW / 211 HP |
| BMW | 5 | E60 | 2001-2010 | 530 d M57 D30 306D3 | 173 kW / 235 HP |
| BMW | 5 Touring | E39 | 1996-2004 | 530 d M57 D30 306D1 | 142 kW / 193 HP |
| BMW | 5 Touring | E61 | 2004-2010 | 520 d N47 D20 A; N47 D20 C | 130 kW / 177 HP |
| BMW | 5 Touring | E61 | 2004-2010 | 530 d M57 D30 306D2 | 160 kW / 218 HP |
| BMW | 5 Touring | E61 | 2004-2010 | 530 d M57 D30 306D3 | 173 kW / 235 HP |
| BMW | 7 | E65, E66, E67 | 2001-2009 | 730 d M57 D30 306D2 | 160 kW / 218 HP |
| BMW | 7 | E65, E66, E67 | 2001-2009 | 730 d M57 D30 306D2; M57 D30 306D3 | 155 kW / 211 HP |
| BMW | X3 | E83 | 2003-2011 | 2.0 d M47 D20 204D4 | 110 kW / 150 HP |
| BMW | X3 | E83 | 2003-2011 | 2.0 sd N47 D20 A | 130 kW / 177 HP |
| BMW | X3 | E83 | 2003-2011 | 3.0 d M57 D30 306D3 | 160 kW / 218 HP |
| BMW | X3 | E83 | 2003-2011 | xDrive 20 d N47 D20 A; N47 D20 C | 130 kW / 177 HP |
| BMW | X3 | E83 | 2003-2011 | xDrive 30 d M57 D30 306D3 | 160 kW / 218 HP |
| BMW | X5 | E53 | 2000-2006 | 3.0 d M57 D30 306D1 | 135 kW / 184 HP |
| BMW | X5 | E53 | 2000-2006 | 3.0 d M57 D30 306D2 | 160 kW / 218 HP |
Fitment Notes
- Always match vehicle details before ordering. Verify VIN/engine.
Compatibility Verification Notes
- Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
- Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
- Fitment data may vary by production date, market, import history and engine variant.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
Will the Cap Expansion Tank fit my BMW 3?
This part (400043) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, original part details and any listed variant information before ordering. Verify VIN/engine.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Perfect Dog Toys!
Color: Regular Ball Multi-color, Size: Medium
My dogs absolutely love these! My problem was I have two (of 4) that play ball. One is 15#'s and the other is 40#'s. So, I couldn't decide on the size. I decided on the medium, and they have been perfect. My smaller dog has a bit of a problem holding on to the ball, but he can get his mouth around it. For my larger dog, it's not so small I'm worried about her swallowing it. So, the size was perfect!
These are thick enough neither of my tough chewers have been able to penetrate the balls, but soft enough they can easily pick them up. They have that squeak that drives my dogs nuts. The little faces on them are cute. We have spent hours playing ball with our two dogs with these balls. They absolutely love them. My small dog brings them to me constantly. Although. of the 7, it's a miracle if we know where 2 are at any given time. I actually remembered to write the review when I spotted 3 of them at the same time.
My ONLY small complaint is the rubber plus dog slobber and rolling under furniture means these balls can pick up a lot of dust and hair. I have to rinse them occasionally as they can get rather gross. Luckily, they are very easy to clean with water and dry with a paper towel. Then they are as good as new! We can get right back to playing.
I highly recommend these balls as you will spend hours enjoying watching your dogs play fetch. We absolutely play ball in the house, as watching the mayhem of two dogs chase the ball down hallways and across rooms in incredibly entertaining!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Super fun for little dogs
Color: Burger Shape Assorted Color, Size: Small
These are so fun! I have two small dogs (10 lbs) and they both love them:) good squeak and just the right size for them. They get a little crazy with them but they love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Only One of Two Toys That Any of My Three Dogs Will Play With
Color: Burger Shape Assorted Color, Size: Small
I can’t overemphasize this enough:
My pooches just aren’t keen on toys. I don’t know why. I’ve tried everything to get them to play with SOMETHING, instead of just lying around, or begging ME to do all the work to entertain them all the time. But whenever I buy or make one for them, all three just look at me like, “Meh. Bored. Try again, Ma.”
Until I bought these. I’ll spare the reader a lot of details, but for whatever reason, these little, round, mouth-sized squeakers were a hit. There’s literally nothing special about their construction or functionality at all, but my dogs think they’re great. Kinda like how kids don’t care about the fancy, expensive toy you bought them, but prefer to play with the box it came in. 🤷♀️ I was concerned about them getting chewed up the first day (or worse, getting swallowed), or me just being driven insane with the squeaking, but only the latter has been an issue, and only the first few days. My dogs are very diverse mixed breeds and sizes, and all three think these are the best thing ever. My medium-sized bulldog is so adorable: He very gently picks one up, squeaks it a little bit, and then runs around holding it in his mouth until he decides to drop it (usually 30 seconds or less). Then my big dog swooshes in and steals it from him (It’s a “game” that only one of them enjoys). The biggest annoyance with these is having to go pick them up wherever my poorly-trained doggos drop them (but that’s my fault, of course).
In a nutshell: They’re a hit at my house. Just be vigilant the first few days to make sure your dog isn’t interested in trying to eat them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2023
★★★★★ 5
Hands down, the best dog toys on the Planet!
Color: Burger Shape Assorted Color, Size: Small
Our Miniature Pinscher absolutely loves squeak toys. We tend to get those long-bodied, no-stuffing animals which are great for tug-a-war, but on her own, she rips these suckers apart and removes the squeaker within a day of owning it. I occasionally buy a big bag of just squeakers and hide them in shoes and what not, but those have a 5 minute life span as she'll pull the little whistle right out.
These latex squeak toys are a total blessing. They're super well made and just the perfect dog toy. We've had them a week, and she's been playing with two out of the package and not a tear or rip. The squeaker is very loud and the material is impossible to rip. She's getting tons of exercise running around the house with these things, and loves when I throw 'em. Love the colors and faces on the burger style. Easily the best dog toy on Amazon and we've been through 5 years worth of purchases.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 30, 2024
★★★★★ 5
Great ball for small dog (3.5 pounds)
Color: Burger Shape Assorted Color, Size: Small
I have been looking for a ball that my 3.5 pound Maltese puppy can enjoy. Up until now it was small balls were difficult for my little Rosie to grab. These balls at first seemed to be too big. But after a few minutes Rosie grabbed one of the balls in her mouth and has been crazy for these balls ever since. They collapse so she can get her mouth on it. They squeak each time she bites down. When I toss the ball, they bounce around like crazy and make a squeaking sound. They are so soft that it would be difficult to break anything. Also since they are not round, they do not roll under furniture most of the time. I uploaded a video of my little Rosie fetching one of these balls. Great toy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2022