90812035 HJS ECE Downpipe / Catalytic Converter BMW BMW 135i / 335i (3.0 - Euro 5)
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It is expressly stated that the parts or equipment offered here are manufactured exclusively for racing vehicles. There is no road approval, authorization or authority within the meaning of Article 55 of Regulation (EU) 2018/858, to whose provisions reference is made. Parts or equipment as defined in Annex VI to Regulation (EU) 2018/858, which are used both in racing and on the road, may only be placed on the market for vehicles intended for use on public roads if they meet the requirements set out in the delegated acts referred to in paragraph 3 of this article and have been authorized by the Commission. Parts or equipment that may pose a serious risk to the proper functioning of systems that are essential to the safety of the vehicle or to its environmental compatibility may not be placed on the market or put into service. By confirming, you expressly declare that you have taken note of these instructions, restrictions and prohibitions. Upon receipt of the parts or equipment, you assume full liability. *
It is expressly stated that the parts or equipment offered here are manufactured exclusively for racing vehicles. There is no road approval, authorization or authority within the meaning of Article 55 of Regulation (EU) 2018/858, to whose provisions reference is made. Parts or equipment as defined in Annex VI to Regulation (EU) 2018/858, which are used both in racing and on the road, may only be placed on the market for vehicles intended for use on public roads if they meet the requirements set out in the delegated acts referred to in paragraph 3 of this article and have been authorized by the Commission. Parts or equipment that may pose a serious risk to the proper functioning of systems that are essential to the safety of the vehicle or to its environmental compatibility may not be placed on the market or put into service. By confirming, you expressly declare that you have taken note of these instructions, restrictions and prohibitions. Upon receipt of the parts or equipment, you assume full liability. *
HJS EEC Downpipe 3" for BMW E-Series 135i / 335i N55B30A Euro5
We have almost all HJS downpipes in stock. Buy today, ship the next business day!
HJS article number: 90812035
replaces original part number: 18 32 8 603 874
- ECE R103 tested
- 300 cpsi stainless steel catalyst
- Performance optimization
- Sporty sound
- Plug & Play
- Thermal relief of the turbocharger
Manufacturer's RRP: €2380.00
- LinkWarranty HJS ECE Downpipe
- Link combination HJS catalyst with exhaust system
- Link delivery program HJS ECE Downpipe
- Link installation instructions 90812035
- Shipping carton: 55x19x19 / 5.3 kg standard shipping
- ECE approval
Please note: Assembly materials must always be reused.
- 02 - V-band clamp 11657620508
- 03 - Hexagon screw M8x40 A2-70 18307562224
- 04 - Exhaust turbocharger/catalytic converter gasket 18307553601
- 07 - Flat gasket 18307553603
The product is suitable for the following models:
- BMW 335i Cabrio E93 LCI : from 2010 - Model No. DX71 - Engine No. N55
- BMW 335i Coupé E92 LCI : from 2010 - Model No. KG71 - Engine No. N55
- BMW 335i Touring E91 LCI : from 2010 - Model No. UV91 - Engine No. N55
- BMW 335i Sedan E90 LCI : from 2010 - Model No. PM55 - Engine No. N55
- BMW 135i Cabrio E88 : from 2010 - Model No. UN71 - Engine No. N55
- BMW 135i Coupé E82 : from 2010 - Model No. UC91 - Engine No. N55
- Downpipes play a key role in the aspects of "acceleration and performance".
- They are the "link" between the exhaust side of the turbocharger and the exhaust system.
- The catalyst developed by the HJS tuning experts has gone through all development steps.
- The significantly reduced exhaust back pressure of the HJS tuning catalyst ensures reduced temperatures in the turbocharger
- This results in significantly better engine response.
- An improvement in power and torque is clearly noticeable.
- In addition, the metal carrier used ensures a more sonorous sound.







